July 30, 2016

Symbol Generator

Advanced Group Information sued startup Life460 for its mobile phone app that lets people set up ad hoc familial networks. The asserted patents, 7,031,728 and 7,672,681, were found indefinite under §102 ¶ 2 because there was no disclosed support for a "symbol generator" claim element, which is quite simple software. (CAFC 2015-1732). Another instance of careless prosecution and patent assertion.

Posted by Patent Hawk at 3:30 PM | § 112

February 28, 2016


Zoltek sued the US Air Force and Navy for making carbon fiber sheets for its aircraft claimed under Re 34,162. The federal trial court gave the government a ridiculous degree of deferrence, and found in its favor out of legal ignorance. Fortunately for Zoltek, the CAFC decided to play its role with decency.

Continue reading "Sheeted"

Posted by Patent Hawk at 2:12 PM | § 112

October 7, 2015

No Compliance

Media Rights Technologies sued Capital One for infringing 7,316,033, which claims "a method of preventing unauthorized recording of electronic media." The claims require a multi-function "compliance mechanism," but the disclosure does not cover two of the four associated functions. The CAFC (2014 - 1218) affirmed the district court ruling of indefiniteness.

Posted by Patent Hawk at 4:52 AM | § 112

Claim Strain

5,847,053 and its continuation 6,111,023 claim thin-film polymers with robust strength. The claims specify a "strain hardening coefficient" without bothering to explain in the disclosure how to figure the coefficient. Patent owner Dow Chemical sued Nova Chemicals for infringement and won, at least until Nova appealed over indefiniteness in light of the Supreme Court's Nautilus ruling. Echoing Nautilus, the CAFC (2014-1431) invalidated the patents for failing to "be precise enough to afford clear notice of what is claimed."

Posted by Patent Hawk at 4:39 AM | § 112

May 23, 2015

No Way For Means

The incompetence of the patent office was demonstrated with 5,663,757, which EON asserted against 17 defendants. '757 survived two reexaminations. Then the district court found the patent indefinite for eight different means claim elements relying upon a disclosure that had no means for meeting the means. The CAFC affirmed (2014-1392).

Posted by Patent Hawk at 7:09 PM | § 112

April 8, 2015

Disparate Legal Precedents

In Vasudevan v Tibco et al (CAFC 2014-1094), the district court managed a clean claim construction that went to accessing "disparate databases." It then ruled in summary judgment that the specification did not meet the written description requirement and was not enabled (both deficiencies in meeting §112(a)). It did so with solid reasoning.

A specification must "contain a written description of the invention." 35 U.S.C. § 112 ¶1 (2006). The test for the sufficiency of the written description "is whether the disclosure of the application relied upon reasonably conveys to those skilled in the art that the inventor had possession of the claimed subject matter as of the filing date."
A specification must "enable" a person of skill in the art to make and use the claimed invention. 35 U.S.C. § 112 ¶1 (2006). Enablement is a legal question based on underlying factual determinations.

On appeal, the CAFC reversed on the §112(a) decision, inscrutably asserting there was "genuine issues of material fact," without pointing out what they could possibly be, given that the patent holder had every opportunity to disclose the facts prior to the district court's decision, and failed to do so to statutory satisfaction. According to the CAFC in this ruling, a patentee need not adequately describe an invention or be in possession of it when filing the patent.

Posted by Patent Hawk at 3:33 AM | § 112

October 17, 2014

No Means

Robert Bosch sued Snap-On for infringing 6,782,313, which claims a motor vehicle diagnostic tester. Alas, the tester had no specification support for a testing device. The courts found insufficiency under 35 U.S.C. § 112, ¶ 6, even though there was no explicit "means for" element.  Another stupid patent assertion with another stupid patent bites dust. (CAFC 2014-1040). But then, Robert Bosch is a German company, and their nickel-slick lawyers got paid regardless.

Posted by Patent Hawk at 1:31 AM | § 112

September 10, 2014

Unobtrusive Manner

In Interval Licensing v. AOL, the CAFC embraced the newly invigorated standard of indefiniteness inaugurated by the Supreme Court in Nautilus v. Biosig. In an unobtrusive manner, the appeals court affirmed invalidity under 35 U.S.C. § 112(b), based upon claiming "an unobtrusive manner."

Continue reading "Unobtrusive Manner"

Posted by Patent Hawk at 6:09 PM | § 112

August 11, 2014


In ScriptPro v Innovation Associations, the district court rightly granted summary judgment of invalidity for 6,910,601 under 35 U.S.C. § 112(a) because the claims left out sensors that were disclosed as essential, and otherwise the claimed invention simply could not work. Ignoring the facts particular to the technology, the CAFC reversed (2013-1561), blithely stating that "it is common, and often permissible, for particular claims to pick out a subset of the full range of described features, omitting others."

Posted by Patent Hawk at 12:17 AM | § 112

June 2, 2014

Reasonable Certainty

The CAFC's long-standing standard of indefiniteness - that a patent claim was definite unless "insolubly ambiguous" - has been a unreasonable evisiceration of statute. In Nautilus v. Biosig (13-369), the Supreme Court put reason back in.

To tolerate imprecision just short of that rendering a claim 'insolubly ambiguous' would diminish the definiteness requirement's public-notice function and foster the innovation-discouraging 'zone of uncertainty'. A patent is invalid for indefiniteness if its claims, read in light of the patent's specification and prosecution history, fail to inform, with reasonable certainty, those skilled in the art about the scope of the invention. [A] patent must be precise enough to afford clear notice of what is claimed. The standard adopted here mandates clarity, while recognizing that absolute precision is unattainable.

Posted by Patent Hawk at 4:05 PM | § 112

May 11, 2014

Double Standard of Indefiniteness

The CAFC has long maintained that granted claims are definite under §112(b) unless "unsoluably ambiguous." On May 6, the CAFC decided something different with regard to definiteness during prosecution. They could have waited, as the Supreme Court will decide, within a month or so, how claim definiteness should be construed. In re Packard (2013-1204), a CAFC panel declared that a prosecution claim is indefinite if an examiner says so, sui generis, without consideration of the specification. This is contrary to black-letter law, and, recently, the CAFC's own ruling in Energizer Holdings v. ITC (CAFC 2006) ("The definiteness inquiry 'focuses on whether those skilled in the art would understand the scope of the claim when the claim is read in light of the rest of the specification'").

Continue reading "Double Standard of Indefiniteness"

Posted by Patent Hawk at 11:34 PM | § 112

November 4, 2013


Synthes went after Spinal Kinetics over 7,429,270, which claims an artificial spinal disc. In dissent over claim construction and written description, where the CAFC affirmed the district court's damning the patent, fledgling Judge Taranto demonstrates the easy corruption of U.S. courts.

Continue reading "Spineless"

Posted by Patent Hawk at 4:16 PM | § 112

January 26, 2013


Ernie Ball v. Earvana presents episodic ineptness by a patent prosecutor, examiner, litigators and district court judge. 6,433,264 claims "a compensated nut for a stringed instruments," as a means for tuning for "fixed intonation portions [that] does not form a sinusoidal arc."

Continue reading "Twang"

Posted by Patent Hawk at 12:43 AM | § 112

November 22, 2012

Sourcing Injustice

The caprice of the courts is one of two main reasons that the U.S. patent system is terminally broken. The other cause is of course the USPTO: a cesspool of incompetence, as evidenced by how few granted patents legally claim actual invention, and the multitude of applications that linger in examination for up to a decade or more. ePlus v. Lawson illustrates how unpredictable the courts are, as well as how unjust the CAFC is.

Continue reading "Sourcing Injustice"

Posted by Patent Hawk at 2:11 PM | § 112

November 13, 2012

Pig Heart

35 U.S.C §112 1 requires that claimed invention be reduced to practice; that is, described in the patent specification such that one of skill in the relevant art area would be able to read the patent and implement the invention. Without this requirement, shambolic specifications would confer patents on rough ideas rather than practical inventions. Hence, evisceration of the written description requirement would make a mockery of the law, and the very purpose of the patent sanction. The courts don't see it that way.

Continue reading "Pig Heart"

Posted by Patent Hawk at 3:41 PM | § 112

August 14, 2012


The CAFC again limits patent protection without basis in statute. Under government grant, MIT developed a device, usable as a sensor or computer memory, employing quantum mechanical effects; patented as 5,629,922.  Exclusive licensee Masgil and MIT launched an enforcement campaign against 20+ disk drive makers. In summary judgment, the district court found '922 not enabled, for the sin of being too valuable a patent. A CAFC panel affirmed.

Continue reading "Disabled"

Posted by Patent Hawk at 10:14 PM | § 112

April 9, 2012

No Access

5,875,435 claims an automated accounting system. '435 owner Noah Systems sued Intuit for infringement. Intuit got the litigation stayed pending reexam. Reexam by "the PTO confirmed the patentability of the original claims of the '435 patent and determined that new claims 19-56 were patentable." With litigation restarted, Intuit sold the district court on the illicit idea that the claimed "access means" were indefinite under §112 ¶2 "because the specification disclosed no algorithm by which the computer was programmed to perform the function asserted in the claims." By law, that failing would be written description, §112 ¶1. But the fix was in, and that was all that mattered. The district court ignored that the claimed "access means" referred to entering a passcode, which was well-documented in a figure and written description, as court documents showed. Affirmed on appeal. (CAFC 2011-1390). One more chip on a mountainous pile showing blatant patent court corruption favoring well-regarded companies over patent holders.

Posted by Patent Hawk at 11:37 AM | § 112

March 27, 2012

Not Infused

5,507,412 claims a system to deliver fluids from multiple sources into a patient's body. An adjusting means is claimed to influence the fluid flow from each source. There is a claimed programmable control means coupled with the adjusting means. In the disclosure, the functions of what the control device does are variously mentioned, but how the control device functions is never described. '412 owner Ergo sued CareFusion for infringement. Under the influence of 112 ¶ 2 by way of § 112 ¶ 6, the "district court held that the 'control means' terms are indefinite for failure to disclose corresponding structure." The CAFC affirmed. (CAFC 2011-1229). Should have been euthanized by 112 ¶ 1. The claim was definite enough, but lacked written description.

Posted by Patent Hawk at 10:28 AM | § 112

February 1, 2012

Mobius Claim

6,879,830 goes to "a method for handing over a link between" base stations for a mobile phone. Actually, a mobile phone is claimed, an apparatus, but where a claimed networking method must be performed for the claimed handover to occur. Thus the meat of the claims are of a method, though the claim is of an apparatus, which is a transgression of §112 ¶2, indefiniteness, for mixed claim types, vis-à-vis IPXL v. Amazon. So this ruling is easy. But not so fast. Consistency is the hobgoblin of small minds. As there are no small minds on the CAFC, there is no need for consistency.

Continue reading "Mobius Claim"

Posted by Patent Hawk at 11:15 PM | § 112

January 24, 2012

No Credit

Dealertrack sued Huber and Finance Express, along with other auto dealers, for infringing its network-based credit application processing patents: 6,587,841 & 7,181,427. A biased Judge Guilford in Central California inexcusably construed "network," which had been broadly disclosed, as "not including the internet." Defendants drove away with non-infringement. Other inanity ensued, only some of which was corrected by the CAFC on appeal.

Continue reading "No Credit"

Posted by Patent Hawk at 7:43 PM | Claim Construction

January 11, 2012


Streck sued Research & Diagnostic Systems (R&D) for infringing hematology control patents 6,200,500 and 6,221,668. R&D counterclaimed a declaratory judgment action of noninfringement and invalidity. The two competitors were innovating in stride, but Streck had the edge, at least with the favor of the courts, which is really all that matters.

Continue reading "Bleeding"

Posted by Patent Hawk at 2:02 PM | § 112

August 29, 2011

Distributed Incompetence

Mitsui Bussan Logistics tried to get a patent on product distribution chain management (10/798,505). The examiner at the PTO was typically feeble in examination, as was the patent board. At the CAFC, Judges Linn and Gajarsa illicitly ran over the claims. In dissent, Judge Newman was the only competent party in the chain of adjudication. One more chip on the plentiful pile of evidence that the U.S. patent system is dysfunctional and corrupted.

Continue reading "Distributed Incompetence"

Posted by Patent Hawk at 1:00 PM | § 112

August 26, 2011


For years, Star Scientific has been trying to smoke R.J. Reynolds Tobacco for infringing its tobacco curing patents: 6,202,649 & 6,425,401, but couldn't get the match to strike. Down-and-dirty litigation tactics tarnished Star. As usual, the corporate giant won again, as the CAFC displayed divisions within.

Continue reading "Butted"

Posted by Patent Hawk at 1:07 PM | § 112

June 19, 2011

Stomped Stamp

The Court of Errors has become a butchery. Obzilla's minions, while on a tear, are cautious enough to roll their unjust killings under the rug in nonprecedential opinions. The instant episode is Stamps.com v. Endicia.

Continue reading "Stomped Stamp"

Posted by Patent Hawk at 9:13 PM | Prior Art

June 15, 2011

Mean Means

6,892,861 and 6,935,465 claim elevator "modernizing" devices and methods. Patent owner Inventio sued competitor ThyssenKrupp for infringement. In the claim construction dust-up, the district court's grasp of means-plus-function needed some modernizing, for missing the necessity of "means" in proclaiming that § 112, ¶ 6 applied. The confused judge declared the asserted claims indefinite under § 112 ¶ 2. The misdirection of defense counsel was caught out on appeal, as was behavior unbecoming of a litigator, in a rare slap at counsel by the CAFC.

Continue reading "Mean Means"

Posted by Patent Hawk at 10:03 PM | § 112

June 10, 2011

Described and Enabled

35 U.S.C. § 112, ¶ 1 has two requirements: 1) a written description so as to enable any person skilled in the art to make and use the claimed invention; 2) a best mode "set forth." The first requirement is of a piece. Any description that falls short of enablement is inadequate. But case law has grown a thicket of complication, essentially bifurcating adequate written description from enablement, even as the statutory inquiry is singular. The CAFC majority opinion in Boston Scientific v. Johnson & Johnson muddies the bifurcation, albeit flying under the banner of written description, not enablement. The partial concurrence disliked the mud, and the banner.

Continue reading "Described and Enabled"

Posted by Patent Hawk at 3:09 PM | § 112

May 2, 2011

Bled Dry

5,674,681 & 6,355,425 claim methods to identify hemochromatosis, a genetically vectored blood iron disorder. Owner Billups-Rothenberg sued Associated Regional and University Pathologists (ARUP) and Bio-Rad Laboratories for infringement. The assertion was bled dry, by lack of written description to the invention claimed in '681, and the later '425, not related to '681, anticipated by 6,025,130.

Continue reading "Bled Dry"

Posted by Patent Hawk at 2:14 PM | § 112

April 29, 2011

À La Mode

Plastic beverage bottles represent a health hazard and an environmental blight, but are blandly typical of short-sighted humans on a petroleum-fueled bender to planetary ruin. 7,094,863 & sibling 7,129,317 claim a particular plastic bottle resin, polyethylene terephthalate ("PET"), that keeps a bottle clear when "hot-filled". Prior art bottles turned hazy when filled by hot liquids that promote leaching of endocrine disruptors, which all hot-filled PET bottles do - hazy or clear. Wellman sued Eastman Chemical for infringement. Eastman got an á la mode summary judgment over best mode, because the disclosure held back critical data as a trade secret. That tony ruling, had without even cursory claim construction, got appealed, as did § 112 ¶ 2 indefiniteness.

Continue reading "À La Mode"

Posted by Patent Hawk at 12:03 PM | § 112

April 19, 2011

Not A Rembrandt

Rembrandt got its hands on some old patents: 5,602,869 & 5,844,944. But Rembrandt recognizing previous owners and licensees eluded it on a greedy rush to a payday. Not to mention ersatz claims drafting. Rembrandt sued AOL and a slew of telecommunications companies for infringing an industry standard, the V.34 modem protocol. The protocol to payday didn't go Rembrandt's way.

Continue reading "Not A Rembrandt"

Posted by Patent Hawk at 9:28 PM | Exhaustion

April 1, 2011

Chuck Up

6,848,875 and continuation 6,935,826 claim beer or soda pop cans. Hot off the USPTO press, owner Crown tried to seal competitor Ball into an infringement can. Ball burst out by summary judgment, "that the asserted claims were invalid for violating the written description requirement," and anticipated.

Continue reading "Chuck Up"

Posted by Patent Hawk at 4:17 PM | § 112

February 24, 2011

Claim Construction Tumor

In balloon brachytherapy, a balloon is inserted into the body proximate to a tumor. The balloon has a lumen, acting as a radiation source to fry the tumor. 6,482,142 claims a device for performing balloon brachytherapy. '142 owner Hologic sued SenoRx for infringement. Action at the district resulted in prior art invalidity based upon claim construction. On appeal, a wrong call by a CAFC panel majority points to a chronic disease in tolerating ambiguity.

Continue reading "Claim Construction Tumor"

Posted by Patent Hawk at 9:55 PM | Claim Construction

February 23, 2011

Not In Possession

7,070,775 claims an immunological agent for tumor treatment. Co-owners Centocor and New York University sued Abbott for infringement. Rejecting Abbott's invalidity defense, a jury awarded Centocor over $1.67 billion in damages. The district court judge wouldn't entertain post-trial § 112, ¶ 1 invalidity JMOL. Appeal shows that junk patents still crowd the courthouse, abeted by legal arguments that reek of corruption.

Continue reading "Not In Possession"

Posted by Patent Hawk at 10:18 PM | § 112

February 19, 2011

Bad Connection

Ronald A. Katz sued a crop of companies over his call processing patent portfolio in a variety of venues. Consolidation led to loss at district court. For the umpteenth time, a CAFC ruling demonstrates the random competence of all involved before the appeals panel. Patent litigation is a crap shoot because a lot of what comes out of lawyers, whether on the bench or belting it out, is crap. It helps when patent claims are largely crap, which is not at all unusual either. Once again, the CAFC proves its worth in sorting it all out.

Continue reading "Bad Connection"

Posted by Patent Hawk at 3:32 PM | § 112

February 9, 2011

Getting Definite at the USPTO

The patent office has issued supplementary guidelines for examining claims in patent applications for compliance with 35 U.S.C. §112 ¶2. The PTO thinks "it is of utmost importance that patents issue with definite claims that clearly and precisely inform persons skilled in the art of the boundaries of protected subject matter." The guidelines are effective as of today. Written comments are accepted until April 11, 2011. "No public hearing will be held."

Continue reading "Getting Definite at the USPTO"

Posted by Patent Hawk at 1:25 PM | Prosecution | Comments (36)

September 23, 2010


7,156,100 claims a mask stuck down the throat, to deliver anesthetic gas during surgery, and provide an unobstructed airway. The poetically named Lanryngeal Mask Company (LMA) sued Ambu for infringement. For that, "all claims were invalid for lack of written description under 35 U.S.C. § 112" in summary judgment, along with noninfringement. Gasping for air, LMA appealed. At issue was claim construction, and whether the inventor had acted as his own lexicographer. "A patentee may act as its own lexicographer and assign to a term a unique definition that is different from its ordinary and customary meaning; however, a patentee must clearly express that intent in the written description."

Continue reading "Masked"

Posted by Patent Hawk at 5:16 PM | Claim Construction | Comments (4)

September 12, 2010

On The Verge

5,910,514 claims a colorant for synthetic mulch made of rubber, an ecologically disgusting invention only a suburban garden gnome could appreciate. The district court didn't appreciate that claims relied upon a purported colorant system: "Visichrome," produced by a different company, which appeared fictitious in retrospect. This resulted in summary judgment invalidity by breach of best mode, in the course of '514 owner Green Edge trying to trim the verge of infringement by Rubber Mulch and Rubber Resources.

Continue reading "On The Verge"

Posted by Patent Hawk at 8:45 PM | § 112

September 10, 2010

Backbreaker Broken

Spine Solutions, Inc. (SSI) sued Medtronic for infringing 6,936,071, which claims a spinal implant, "used to replace discs between vertebrae in the spinal column that have degenerated or become diseased." Summary judgment of infringement for claims 1 and 2, and dismissal of "all of Medtronic's 35 U.S.C. § 112 defenses" led to stipulated capitulation by Medtronic, setting up a trial on damages and obviousness. SSI was going for lost profits even though it didn't sell or make any device covered by '071. But SSI's sister companies did. SSI was allowed to amend its complaint to include them. The jury found '071 not invalid, and willfully infringed, to the $5.7 million in lost profits, and an 18% reasonable royalty on $9.1 million in infringing sales. Whereupon the district court doubled the damages and awarded attorneys fees. Adding insult to injury, the court entered a permanent injunction. All that left Medtronic a lot to appeal. And some of it was appealing to the CAFC.

Continue reading "Backbreaker Broken"

Posted by Patent Hawk at 11:32 PM | Case Law | Comments (1)

September 4, 2010

Bone Loss

Eli Lilly got 6,458,811 and 6,894,064 (the "Particle Size Patents") for processing "raloxifene particles until their size falls 'within a specified narrow range.'" Raloxifene, an antiestrogen, aims at treating osteoporosis in women by mimicking estrogen, without inciting increased incidence of breast cancer. 6,906,086; RE39,049; and RE38,968 (the "Bone Loss Patents") aim more specifically at preventing bone loss. RE39,050 was called by the court "the Low Dose Patent." Generic drug manufacturer Teva embroiled itself into a patent fight with Lily by filing an ANDA with the FDA to make generic versions. Lilly prevailed on all but the Particle Size Patents - not invalidated by prior art, but by failing the written description requirement of §112.

Continue reading "Bone Loss"

Posted by Patent Hawk at 7:29 PM | § 112 | Comments (1)

July 6, 2010

Garbage Bits

Telcordia sued Cisco for infringing network data transfer patents 4,893,306; 4,835,763; and RE36,633. '306 was knocked out by noninfringement in summary judgment. '763 and '633 ran the gauntlet through trial to a $6.5 million damages award. The district judge then tacked on prejudgment interest, an accounting for interim sales, and "ordered the parties to negotiate the terms of a royalty that would apply to the accounting and to post-judgment sales." Telcordia appealed the '306 claim construction. Cisco cross-appealed '306 and '763 validity, as well as the post-trial damages award and ongoing royalty negotiation dictate.

Continue reading "Garbage Bits"

Posted by Patent Hawk at 8:47 PM | Claim Construction | Comments (1)

June 2, 2010


Haemonetics sued Fenwal for infringing centrifuge patent 6,705,983. Litigation whirled away all but claim 16 as asserted. District court claim construction defined a "centrifugal unit" as a vessel, even, though the claim preamble read a "centrifugal unit comprising a centrifugal component and a plurality of tubes." '983 was found not invalid and infringed, resulting in $11.3 million in lost profits damages and $4.3 million in reasonable royalty damages. Appeal paid more attention to the preamble. Plus, a new spin to the old standard of §102 ¶2.

Continue reading "Spun"

Posted by Patent Hawk at 3:31 PM | Claim Construction | Comments (4)

May 26, 2010


The CAFC standard for §112 ¶ 2 indefiniteness is lax. A panel rehearing petition in Enzo v. Applera (CAFC 2009-1281o) was denied, but Judge Plager, in dissent, had some choice words on the topic.

Continue reading "Definitely"

Posted by Patent Hawk at 4:41 PM | § 112 | Comments (11)

April 27, 2010

Attention Deficit

6,919,373 is a drug patent that claims a treatment regime for folks with short attention spans. The claims specifically go to "an ascending release rate over an extended period of time." A bench trial found '373 not infringed, and "invalid for lack of enablement because the specification does not enable the full scope of claim 1, which covers both osmotic and non-osmotic dosage forms." Enablement hinged on whether undue experimentation was needed to deliver an oral dosage that didn't rely upon osmosis. The district court found too much tinkering was needed based upon scant disclosure, hence the claims were not enabled. Appeal found the same deficit of attention.

Continue reading "Attention Deficit"

Posted by Patent Hawk at 1:01 PM | § 112 | Comments (3)

April 13, 2010

Waving Goodbye

Anascape sued Nintendo and Microsoft over 6,906,700, which claims multiple controller input with tactile feedback. '700 is a CIP of 6,222,525. As such, '700's earliest possible priority date for its claims depends upon spec support within '525. And so '700's validity, as invalidating prior art lies between the '525 filing date and the '700 filing date. Thereupon hangs the patent's fate, upon whose reliance is an early priority date.

Continue reading "Waving Goodbye"

Posted by Patent Hawk at 9:26 AM | § 112 | Comments (12)

April 4, 2010


Hearing Components sued Shure over hearing aid patents 4,880,076; 5,002,151; and 5,401,920, technologies used in Shure's earphones. The district court outcome was invalidity by indefiniteness for '920 asserted claims, and noninfringement for a few claims of '076 and '151 for Shure's product that used a straight nozzle. A jury found the '076 and '151 patents "not invalid and infringed by Shure's products both with a barb and with a straight nozzle," and awarded $4.6 million in damages. Post-trial, the judge granted a portion of Shure's noninfringement motion, but left the patents valid. That went to appeal, as well as denying Shure noninfringement JMOL for its barbed nozzle earphones, and denying laches. Hearing Components wanted another hearing on the claim term "readily" turning its claims deaf to definiteness.

Continue reading "Readily"

Posted by Patent Hawk at 12:39 PM | § 112

March 24, 2010

Enabling Written Description

Ariad sued Eli Lilly over 6,410,516. Trial found a valid patent infringed. A first appeal "held the asserted claims invalid for lack of written description." "Ariad petitioned for rehearing en banc, challenging this court's [CAFC's] interpretation of 35 U.S.C. § 112, first paragraph, as containing a separate written description requirement." Reaffirmation.

Continue reading "Enabling Written Description"

Posted by Patent Hawk at 10:33 AM | § 112 | Comments (7)

March 9, 2010

Less Than Best Mode

The American arm of Japan's Ajinomoto complained to the ITC to stop foreign imports of dietary supplement lysine, under the aegis of 5,827,698 and 6,040,160. The snag was that their patent applications didn't actually disclose their production techniques. That cost them the patents for failing to meet best mode, and inequitable conduct for knowingly doing so.

Continue reading "Less Than Best Mode"

Posted by Patent Hawk at 4:18 PM | § 112 | Comments (8)

February 27, 2010


Trading Technologies sued eSpeed and Ecco for infringing 6,772,132 & 6,766,304, which go to displaying "static price levels" on a computerized board for commodity trading. One service product infringed, but others literally did not, and applying the doctrine of equivalents was proscribed. Defenses to indefiniteness and inequitable conduct went nowhere, as did on-sale bar (§ 102(b)) based on a provisional priority date. Affirmation on appeal toted up dynamic case law quotes, not on sale, but ones that litigators must buy.

Continue reading "Static"

Posted by Patent Hawk at 4:59 PM | Claim Construction | Comments (3)

December 13, 2009

So Unlike Concrete

In an extremely messy patent case involving claim construction (and correction), noninfringement, invalidity, laches, indefiniteness, trade secrets, and topped with several business torts, Ultimax Cement had its quick-set concrete patents crumble by a sledgehammer summary judgment at district court, and so Ultimax sought repair at the CAFC. The foundation of the patent problem: lack of careful proofreading by the prosecutor.

Continue reading "So Unlike Concrete"

Posted by Patent Hawk at 1:04 AM | Claim Construction | Comments (3)

September 27, 2009

Brain Damaged

Janssen battled a gaggle of generic drug makers over "a method for treating Alzheimer's disease with galanthamine." The patent of contention was 4,663,318. The issue before the courts was enablement (§112 ¶1), which, on appeal, the CAFC majority tied to utility (§101) for instant determination.

Continue reading "Brain Damaged"

Posted by Patent Hawk at 1:30 PM | § 112

September 4, 2009

Junk Examination

To characterize USPTO examination quality over the past 20 years as uneven would be a complimentary understatement. 'Good enough for government work' would be more like it, with 'shoddy' pithily on-point. In the 1990s the PTO granted reams of junk patents, creating a political firestorm as the junk hit the litigation fan. In the past few years, the reaction by a politicized patent office has been a sphincter of parsimony: not granting patents for deserved inventions. Herein a case in point.

Continue reading "Junk Examination"

Posted by Patent Hawk at 5:32 PM | The Patent Office | Comments (105)

September 3, 2009

Healthy Assertion

Martek and Lonza vend a health supplement made "by extracting lipids from fermented microorganisms - specifically certain microalgae." Martek owns patents it asserted against Lonza: 5,340,594; 5,698,244; 6,410,281; and 6,451,567. Some claims were found infringed in district court, and thereupon the inevitable appeal. Lonza attacked priority date by way of parent enablement; fought the finding of infringement via questionable testing; argued prior invention with uncorroborated evidence; and tried to clobber the claim construction using the file wrapper as a club. Meanwhile, Martek had its own appeal query: what's an animal?

Continue reading "Healthy Assertion"

Posted by Patent Hawk at 7:25 PM | § 112 | Comments (5)

July 27, 2009


Was it pitiable prosecution and excrescent examination, or just deviously scrappy litigation? Blackboard's 6,988,138, claiming an Internet education system, got erased by Desire2Learn on appeal. Indefiniteness for lacking a backing structure for a means-plus-function limitation, and a devious claim construction gone awry, left Blackboard with a failed assertion.

Continue reading "Erased"

Posted by Patent Hawk at 4:45 PM | Claim Construction


Bernard Bilski and his buddy got a nebulous notion about risk management. So they hired a run-of-the-mill prosecutor to scratch a sketchy spec and draft some bodaciously crappy claims. The PTO pitched the poop. But then the CAFC fouled the plumbing with precarious precedent, so the Bilski bauble floated to the top, where the Supreme Court has the final flush, but the only needed motion is reiteration.

Continue reading "Lever"

Posted by Patent Hawk at 3:26 PM | § 101 | Comments (13)

July 6, 2009

Not Called Out

4,924,496 claims caller ID, using means-plus-function claims: look up a name for a number while the phone is ringing. There's a claimed "means for comparing the detected incoming telephone number with said directory of telephone numbers to identify the party associated with the incoming call number." Not exactly rocket science there, even back in 1988 when the patent was filed. Sued for '496 over its iPhone, Apple wanted summary judgment indefiniteness, for failing to disclose an algorithm for comparing. Unconvinced, the Massachusetts magistrate judge on the case blew that off. Tell it to the jury, she wrote.

Posted by Patent Hawk at 8:01 PM | § 112 | Comments (5)

June 29, 2009

Requisite Clarity

In Bilski, the rogue CAFC ruled on the wrong grounds, and in the process warped the law, by setting in stone what were intended as guidelines. To afford case-by-case consideration, a court writes itself wiggle room. Instead, the CAFC tends to sew itself straightjackets. To invalidate Bilski's claim, all SCOTUS need do is reaffirm the definiteness requirement, and then correct the CAFC's errant way regarding patentable process subject matter.

Continue reading "Requisite Clarity"

Posted by Patent Hawk at 9:04 AM | § 101 | Comments (22)

June 26, 2009

Definitely Not

Bilski's claims are neither useful nor definite, and hence non-patentable under §101 and §112 ¶2. The Supreme Court should rightfully ignore flawed CAFC case law, looking to its own precedents, most notably Diamond v. Diehr (for §101) and Markman v. Westview Instruments (§112 ¶2). Here's how SCOTUS should shoot down Bilski and claims of its ilk - recognize the intertwining of  §101 and §112 ¶2, that an ill-defined process is a strong indicator of indefinite usefulness, and hence unpatentable subject matter.

Continue reading "Definitely Not"

Posted by Patent Hawk at 12:06 AM | § 101 | Comments (34)

June 7, 2009

No Bubbles

The American anachronism of patent interferences to determine priority often creates a mess when invoked. And so it was when Affymetrix concocted an interference against Agilent for a genetic analysis technique involving mixing fluids. The BPAI gave the prize to Affymetrix, after Agilent couldn't convince the Board that Affymatrix was playing fast and loose meeting the written description requirement. Agilent pursued it to district court and lost again, leaving the CAFC to clean up.

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Posted by Patent Hawk at 11:37 PM | § 112 | Comments (1)

June 1, 2009

Air Quality

PureChoice asserted RE38,985 against Honeywell. '985 claims an air quality monitoring system. What exactly is air quality? That was one problem leading to indefiniteness. The other problem was claiming two different sensors that couldn't be differentiated. Another careless prosecution kills what otherwise may have been a quality patent.

Continue reading "Air Quality"

Posted by Patent Hawk at 11:02 PM | § 112 | Comments (4)

April 29, 2009

Corrected Vision

Revolution Eyewear myopically started a patent fight with competitors, including Contour Optik. Revolution's assertion went blind, but Contour saw 20/20 money with RE37,545. On appeal, "the only matter left in this lawsuit is Contour's '545 patent infringement action."

Continue reading "Corrected Vision"

Posted by Patent Hawk at 8:54 PM | § 112

April 5, 2009

Mapping the Territory

A patent is supposed to be an instruction manual. 35 U.S.C. §112 ¶1 requires an inventor to describe her invention "in such full, clear, concise, and exact terms" that it would "enable any person skilled in the art to which it pertains." Windbags who fail the concise requirement are seldom punished. Clarity is as often observed in the breach as not, with infrequent repercussion. Teasing out meaning is tolerated - pointing out obtuse passages for support is not regarded untoward. But fail "full" or "exact," and you're in a peck of trouble. Herein, a broad claim of an early advance falls short. And in an invigorating dissenting concurrence, the sin of not enabling enablement.

Continue reading "Mapping the Territory"

Posted by Patent Hawk at 6:22 PM | § 112 | Comments (16)

March 13, 2009


The best day for ICU Medical in asserting 6,682,509 against Alaris Medical Systems was the day it filed. '509 claims a needleless valve, used in medical IVs. Herein, a claim construction saga, with a written description twist, that finds the district court copasetic and ICU spiked with patent loss, shelling out for the other side's attorneys fees, and sanctions.

Continue reading "Spiked"

Posted by Patent Hawk at 8:02 PM | Claim Construction | Comments (11)

November 7, 2008

Lame Blaming About Claiming

CAFC Judge Plager recently mused out loud about claim construction, most strikingly, his and the court's technical incompetence.

The fundamental problem with claim construction today is that too many claims are no longer describing hammers or machines or other physical objects--though we have had our share of interpretive trouble even with some simple things like what is a "board."

Continue reading "Lame Blaming About Claiming"

Posted by Patent Hawk at 2:02 PM | § 112 | Comments (12)

November 4, 2008

Genus Overclaim

Dr. Kenneth Alonso lost his appeal for patenting a cancer treatment because, while he claimed a genus, he had only disclosed some species, and insufficiently so. Disclosure coverage is at issue when the claimed genus is wide-ranging, and the disclosed species may not be fully representative. "A patentee of a biotechnological invention cannot necessarily claim a genus after only describing a limited number of species because there may be unpredictability in the results obtained from species other than those specifically enumerated."

Continue reading "Genus Overclaim"

Posted by Patent Hawk at 9:47 PM | § 112 | Comments (7)

October 20, 2008

Means Streets

Net MoneyIN asserted 5,822,737 & 5,963,917, which go to "systems for processing credit card transactions over the Internet," against Verisign and other online credit card vendors. The claims, in the form of means-plus-function, were invalidated because they lacked specification support. The road to that invalidity is § 112 ¶ 2, indefiniteness, not § 112 ¶ 1, the written description requirement. Patents by Mark Ogram, inventor and patent attorney, turn Shakesperean: "hoist with his own petar." At least he only has himself to blame. Also herein, the arrangement requirement for anticipation.

Continue reading "Means Streets"

Posted by Patent Hawk at 11:55 PM | § 112 | Comments (5)

October 11, 2008

Effective Filing Date

Technology Licensing (TLC) went after Gennum for infringing a family of patents going to video synchronization. The most interesting facet of this case pivoted on patent priority date. With a continuation-in-part (CIP), a claim is entitled to the effective filing date of an application that provides written description support for the claim. The effective filing date becomes an issue when invalidating prior art exists between the initial parent filing date and the filing date of a later CIP. Plus, other songs in this dance hall: "Beast of Burdens of Proof," "Cutting a Bitch on Rule 56," and "Reaching to Delve With a Thin 112."

Continue reading "Effective Filing Date"

Posted by Patent Hawk at 9:37 PM | Prior Art

September 29, 2008


Praxair sued Advanced Technology Materials (ATMI) for infringing three patents: 6,007,609; 6,045,115; and 5,937,895. All claim pressurized storage tanks. '609 and '115 went down on inequitable conduct, '895 on §112 ¶2 indefiniteness. On appeal, '609 and '895 popped back up from the grave, while '115 remained buried in a 2-1 split decision. Herein, the CAFC in full caprice.

Continue reading "Tanked"

Posted by Patent Hawk at 7:44 PM | Inequitable Conduct

September 13, 2008

Going Down the 112 Way

Following up on his §101 ramble, USPTO policy maven John Love put out the hard word in a memo duet on §112: ¶2 indefiniteness for numeric imprecision, and for means claims, which nominally fall under ¶6.

Continue reading "Going Down the 112 Way"

Posted by Patent Hawk at 10:28 PM | Prosecution | Comments (1)

September 8, 2008

Written Description Bug

5,126,270 and continuation 6,017,745, claim turning bacteria into enzyme factories. Patent owner Carnegie Mellon University sued Roche for infringement. Roche got a claim construction that led to summary judgment of non-infringement, and invalidity for "lack of written description in light of... Regents of University of California v. Eli Lilly", with Gentry Gallery v. Berkline riding shotgun. On appeal, the CAFC met the written description requirement on meeting the written description requirement. And relegated to the unremarkable the earlier § 112, ¶ 1 ruling, Gentry Gallery.

Continue reading "Written Description Bug"

Posted by Patent Hawk at 10:28 PM | § 112

August 25, 2008

Prove It

In a touchstone ruling, Star Scientific v. R.J. Reynolds, the CAFC resets the high bar for inequitable conduct:

The burden of proving inequitable conduct lies with the accused infringer. The patentee need not offer any good faith explanation unless the accused infringer first carried his burden to prove a threshold level of intent to deceive by clear and convincing evidence. If a threshold level of intent to deceive or materiality is not established by clear and convincing evidence, the district court does not have any discretion to exercise and cannot hold the patent unenforceable regardless of the relative equities or how it might balance them. Even if a threshold level of both materiality and intent to deceive are proven by clear and convincing evidence, the court may still decline to render the patent unenforceable.

Continue reading "Prove It"

Posted by Patent Hawk at 2:15 PM | Inequitable Conduct | Comments (2)

June 27, 2008


Fargo Electronics sued IRIS for infringing 5,755,519 and 6,152,625, which claim a ribbon type sensor for a printer. IRIS sells replacement ribbons compatible with Fargo printers. A couple of claims fell on the reasonable repair doctrine. Incompetent prosecution, resulting in indefinite claims, killed the rest of the assertion.

Continue reading "Incensed"

Posted by Patent Hawk at 5:50 PM | § 112

May 28, 2008

Another Piece

Most junk patents are created by incompetent prosecutors, with an assist from incompetent examiners granting bad claims. Example in point - Arthur A. Collins got a couple of junk patents: 4,701,907 and continuation 4,797,589. '907 sunk by §112 ¶2, an unconstruable claim term. '589 down on non-infringement over missing a limitation, and claims "invalid for improper reexamination amendment." Appeal offered no real reprieve.

Continue reading "Another Piece"

Posted by Patent Hawk at 1:16 AM | Litigation

May 23, 2008


John Wong got 5,568,779 for TALtech, claiming a seam for wash-and-wear dress shirts that don't pucker when laundered. Wong didn't disclose all the prior art he knew of, including the prior art that was the inspiration for his invention. The district court found inequitable conduct. The appeals court starches that shirt: "If the material is cumulative to other disclosed material, as a matter of law, the inventor is not obligated to disclose it." And, a lesson on best mode.

Continue reading "Puckered"

Posted by Patent Hawk at 1:52 AM | Inequitable Conduct | Comments (5)

April 26, 2008

21st Century Schizoid Everyman

Sitrick v. Dreamworks stirred muddy water. Marc Brown of McDermott Will & Emery worries: "Without realizing it, a recent series of Federal Circuit decisions has established a standard for enablement that may arguably be higher than any patent can meet." Is the concern justified? Why hasn't enablement had a head-on collision with its alter ego behind obviousness and the doctrine of equivalents?

Continue reading "21st Century Schizoid Everyman"

Posted by Patent Hawk at 3:40 PM | § 112 | Comments (4)

April 22, 2008

Antecedent Basis

They killed the bunny patent. It's enough to make you cling to your guns and religion. Energizer tried to zap Chinese battery makers using the ITC, but the ITC pulled the plug. Twice. On appeal, a non-precedential decision, owing to all-around discord in the panel. A badly drafted claim loses its juice on antecedent disconnect.

Continue reading "Antecedent Basis"

Posted by Patent Hawk at 1:17 AM | § 112 | Comments (3)

April 14, 2008

CIP Junk

PowerOasis had a dysfunctional family of patents, notably 6,466,658 and 6,721,400. The patents claim telecommunications access via a vending machine. PowerOasis went after T-Mobile, who successfully broke the family lineage, that these CIP children weren't entitled to their parent's birth date. On appeal, the written description requirement is recited as part and parcel of determining priority date for a CIP. There is no presumption that a CIP is entitled to an earlier filing date.

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Posted by Patent Hawk at 1:10 AM | Claim Construction | Comments (4)

March 30, 2008

An Algorithm Shy

Australia-based Aristocrat threw away money getting gaming machine patent 6,093,102, and then threw away money trying to enforce it. Means-plus-function with no unction. From the CAFC, a crash course in means-plus-function claims for computers: the claimed function is bounded by the specifically disclosed algorithm. Lacking an algorithmic tether, a means-plus-function processor claim is indefinite.

Continue reading "An Algorithm Shy"

Posted by Patent Hawk at 1:02 AM | § 112 | Comments (11)

March 29, 2008

Mixed Claim Types

Both the USPTO and the courts proscribe claims mixing statutory claim classes as both unpatentable subject matter under §101 and indefinite under §112 ¶2. But, as is often the case with claim construction, the line may seem fuzzy. Herein a guide.

Continue reading "Mixed Claim Types"

Posted by Patent Hawk at 12:11 AM | Claim Construction | Comments (3)

February 22, 2008

Factual Fiction

For now, the CAFC retains a polite fiction: "We review claim construction de novo on appeal. Cybor Corp. v. FAS Tech., Inc., 138 F.3d 1448, 1456 (Fed. Cir. 1998) (en banc);" de novo because claim construction is considered a matter of law, not a factual inquiry. In today's Aristocrat nonprecedential reversal and remand, summary judgment of indefiniteness in claim construction was ruled in error because "genuine issues of material fact remained pertinent."

Continue reading "Factual Fiction"

Posted by Patent Hawk at 2:38 PM | § 112

February 10, 2008

Black Hole of Enablement

Enablement was spun into a black hole of uncertainty by the CAFC in Sitrick v. Dreamworks, which expanded the enablement requirement at least to the degree that an accused product must be a disclosed embodiment for a claim to be enabled. Hal Wegner: "In essence, Sitrick voids any generic claim that is fully enabled as to a preferred embodiment, but includes other embodiments not yet enabled." Can a patent now be invalidated by showing any undisclosed embodiment within the scope of a claim?

Continue reading "Black Hole of Enablement"

Posted by Patent Hawk at 11:15 PM | § 112 | Comments (3)

February 1, 2008


David Sitrick sued movie makers DreamWorks and Warner Brothers for infringing 5,553,864 and 6,425,825, which claim integrating a user's voice or imagery into a pre-existing video game or movie. The district court process was fitful, but the judge granted summary judgment: invalidity for lack of enablement for movies, though having no problem with enablement for video games. The CAFC affirmed.

Continue reading "Voiceover"

Posted by Patent Hawk at 1:34 PM | § 112

January 29, 2008

Holey Bone

Trimed sued Stryker for infringing its bone fracture fixer patent: 5,931,839. Claim construction fractured the assertion, resulting in a noninfringement summary judgment. Trimed had the misconstruction mended on appeal. The spat was over the structure of a hole.

Continue reading "Holey Bone"

Posted by Patent Hawk at 5:47 PM | § 112

January 25, 2008

Indefinite Drilling

Halliburon sued M-I for infringing 6,887,832, claiming oil drilling using fragile gels for drilling fluid. The problem was that "fragile gel" was ill-defined, leading to invalidity under 35 U.S.C. § 112, ¶ 2. Irresolvable ambiguity to one skilled in the art is the yardstick of indefiniteness. The CAFC pens a claim construction classic on delineation of claim term definiteness.

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Posted by Patent Hawk at 1:50 PM | § 112

November 29, 2007

New Matter

Paul Lew and Jason Schiers dreamed up a wheel hub with a clutch, for bicycles, which allowed free wheeling when not pedaling, but instantly engaged when pedaling. The torque transfer was "through a multitude of ball bearings." Lew got 6,644,452 for it. Prosecuting the continuation, he canceled his original claims and submitted a substitute specification, essentially identical, except replacing "ball bearings" with "curved members," and "pockets" with "slots," both new terms. The examiner balked.

Continue reading "New Matter"

Posted by Patent Hawk at 9:58 PM | § 112 | Comments (1)

October 26, 2007

Sinking Surfactant

6,593,318 & divisional 6,593,320, owned by Par Pharmaceuticals, "relate to stable flocculated suspensions of megestrol acetate and methods for making such suspensions." Par's patented work sprung from trying to design around 5,338,732, owned by Bristol-Myers Squibb. In the event, Par sued Roxanne for infringement. Roxanne got a district court summary judgment of invalidity via lack of enablement (§112 ¶1) because the claims were so broad. Par futilely appealed.

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Posted by Patent Hawk at 1:15 PM | § 112

September 24, 2007

Without Means

Means claims have been problematic for years; many prosecutors avoid the means-plus-function claim form altogether, as means claims are tightly bound to the specification. Courts have often limited doctrine of equivalents application for means claims, even though DOE is statutorily bona fide. But sometimes there's an even more fundamental problem. Maurice Mitchell found out what that was.

Continue reading "Without Means"

Posted by Patent Hawk at 2:39 PM | § 112

September 6, 2007


ATI sued a bevy of car makers for infringing 5,231,253, which claimed a velocity sensor for detecting side impacts. The defendants drove a frontal assault: that the claims were invalid for failing to meet the written description requirement of 35 U.S.C. § 112, ¶ 1, and lack of enablement. The patent crashed.

Continue reading "Totaled"

Posted by Patent Hawk at 3:13 PM | § 112

June 27, 2007

Cat's Claw

William Young patented a surgery procedure for removing cat claws. In suing Lumenis for infringing, the district court ruled in summary judgment the asserted patent indefinite under 35 U.S.C. § 112, ¶ 2, over the claim term "near," and unenforceable for inequitable conduct, in part because Young was tardy giving the patent office a litigation deposition during reexamination, though timely enough for the examiner to consider its import. Young successfully appealed. (CAFC 06-1455)

Continue reading "Cat's Claw"

Posted by Patent Hawk at 1:07 PM | Claim Construction

June 25, 2007

Strategic Misdecision

MicroStrategy sued Business Objects for infringing three patents related to decision support software. In an affirmation of what Hal Wegner called "an unforgiving trend of finding against a patent owner’s sloppy use of the English language," summary judgment of noninfringement and invalidity were upheld (CAFC 06-1320).

Continue reading "Strategic Misdecision"

Posted by Patent Hawk at 4:57 PM | § 112

June 18, 2007


Biomedino appealed an indefiniteness ruling for claims of its asserted 6,602,502 against Waters Technologies. '502 went to detecting psychoactive drugs in the blood. While the courts differed on the applicable paragraph, Biomedino's patent trip turned out to be a bummer.

Continue reading "Tripping"

Posted by Patent Hawk at 11:30 AM | § 112

March 22, 2007

Pressure Drop

Liebel asserted four patents against Medrad. In the second appeal of the litigation, the appeals court (CAFC 06-1156) concurs with a district court ruling that Liebel had not enabled broadened claims in two of the four patents, thus invalidating the patents under 35 U.S.C. § 112, ¶ 1. Liebel had broadened its claims to ensnare Medrad, and so tripped itself up over its own greed. The full scope of claims must be enabled. As the CAFC tooted: "The motto, “beware of what one asks for,” might be applicable here." Concurring again with the district court, the other two asserted patents were found invalid by prior art; cited prior art; in summary judgment, with no factual dispute.

Continue reading "Pressure Drop"

Posted by Patent Hawk at 10:29 PM | § 112

June 1, 2006

Sludge Match

Liquid Dynamics (LD) sued Vaughan Company for infringing 5,458,414. In the first round, LD successfully appealed an erroneous claim construction. Upon remand, a district court trial found Vaughan willfully infringed, and then in a subsequent bench trial, trebled damages and awarded attorneys fees because of "Vaughan’s behavior as a litigant," as well as then issuing a permanent injunction. Naturally, Vaughan appealed (CAFC 05-1105).

Continue reading "Sludge Match"

Posted by Patent Hawk at 2:16 PM | Case Law

January 9, 2006

Claim Scope Per Disclosure Redux

LizardTech got its wavelet compression patent dubbed by the CAFC (05-1062 panel)  for overreaching in its claim beyond its specification, when only one embodiment had been disclosed. So, desperate, LizardTech appealed for an en banc hearing (05-1062 en banc); request denied. But in its snub, the CAFC put on a little fireworks show between the ruling majority and dissenters.

Continue reading "Claim Scope Per Disclosure Redux"

Posted by Patent Hawk at 12:09 AM | § 112

November 28, 2005

PBAI Claim Mixup

In a non-precedent case before the Patent Board of Appeals (PBAI 2005-0970), Xerox got a copy of the IPXL v. Amazon ruling: mixing claim types traverses 35 U.S.C. § 101 & § 112 ¶ 2.

Continue reading "PBAI Claim Mixup"

Posted by Patent Hawk at 12:34 PM | Prosecution

November 21, 2005

Don't Mix Claim Types

IPXL Holdings assertion of patent infringement against Amazon.com for its one-click checkout didn't click with the courts. What especially missed the click track was tacking a method onto a system claim. MPEP § 2173.05(p)(II): "A single claim which claims both an apparatus and the method steps of using the apparatus is indefinite under 35 U.S.C. 112, second paragraph."

Continue reading "Don't Mix Claim Types"

Posted by Patent Hawk at 2:17 PM | § 112

November 4, 2005

Definitely Swinging

Fisher-Price sued Graco Children's Products, and its parent, Newell Rubbermaid, for patent infringement regarding a collapsible infant swing (6,520,862). The district court threw the case out in summary judgment owing to the asserted claims being indefinite. The appeals court (CAFC 05-1258) had a different swing, giving the patent holder the benefit of the doubt in readily understood technology.

Continue reading "Definitely Swinging"

Posted by Patent Hawk at 1:12 PM | § 112

October 31, 2005


Michael Callicrate of St. Francis Kansas is nuts about castrating cattle, having amassed 5,236,434, 5,997,553 and 5,681,329 to prove it. And he tried to put the squeeze on Wadsworth Manufacturing for infringement, but couldn't loop them in district court. The CAFC said that the lower court ruling was bull (04-1597).

Continue reading "Nuts"

Posted by Patent Hawk at 10:44 AM | § 112

September 19, 2005

On Track

5,110,046 claims a railroad track fastening system. "Specifically, the patent claims a rail seat assembly that resists erosion of the concrete rail tie by interposing an abrasion-resistant plate and a layer of adhering material between the rail pad and the rail."

Pandrol, having purchased '046, sued Airboss for infringement. In a case involving two issues: § 112 and assignor estoppel, the CAFC (04-1069) affirmed the district court's summary judgment.

Continue reading "On Track"

Posted by Patent Hawk at 11:52 AM | § 112

August 14, 2005

Chimeric Interference

Another first-to-invent catfight, but with some interesting insights into the written description requirement (§112 ¶1). The CAFC (03-1480) ruled in a patent interference appeal among Capon (appellant) v. Eshhar (cross-appellant) v. Dudas (PTO Director).

Continue reading "Chimeric Interference"

Posted by Patent Hawk at 7:14 PM | § 112

August 5, 2005

Indefinite Claiming

In Datamize LLC v. Plumtree Software Inc. (Fed. Cir. 05 August 2005; 04-1564), the Federal Circuit affirmed the district court’s grant of summary judgment of invalidity of all claims of Patent No. 6,014,137 pursuant to 35 USC U.S.C. § 112, ¶ 2 as indefinite due to the claim term “Aesthetically pleasing” as found in the only independent claim.

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Posted by Peter Haas at 12:04 PM | § 112

July 25, 2005

Overcoming §112 ¶ 2 Rejection

35 U.S.C. §112 ¶ 2: "The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention."

Process/method claim rejections may be off-base if the rejection complaint is that the claimed method is not enabling, or even that the claimed method is not self-sufficiently comprehensible.

Continue reading "Overcoming §112 ¶ 2 Rejection"

Posted by Patent Hawk at 12:05 AM | Prosecution | Comments (1)

April 20, 2005

§112 Rocket Science

Space Science/Loral received a patent (4,537,375) for saving fuel in rocket thrust maneuvers to maintain orientation and attitude of a satellite in space. Gravitational tugs by the earth, sun, and moon require positional adjustments. Things just don't sit still in space.

The claimed maneuver was a two-step process: fire thrusters once, consider what that did, then adjust if necessary. Lockheed convinced the district court in a summary judgment motion that there was not sufficient disclosure of the considering and adjusting portions of the claim. The Court of Appeals fired their thrusters with a different attitude.

Continue reading "§112 Rocket Science"

Posted by Patent Hawk at 6:49 PM | § 112