Utility Patent

International Trade Commission, Utility Patent

InterDigital Communications v. ITC — Federal Circuit Addresses Standard-Essential Patents and FRAND Licensing at the ITC

The Federal Circuit affirmed the ITC’s exclusion order against Huawei and ZTE for infringing InterDigital’s standard-essential wireless patents, while clarifying important questions about the ITC’s authority to issue exclusion orders involving FRAND-committed patents — decisions that became focal points for global SEP licensing and ITC reform debates.

Federal Circuit, Utility Patent

Fresenius USA v. Baxter International — Federal Circuit on Collateral Estoppel Between Parallel IPR and District Court Proceedings

The Federal Circuit held that when the PTO cancels a patent’s claims during reexamination proceedings that conclude while district court litigation is still pending on appeal, the cancellation moot the district court judgment of infringement — there is no longer a valid patent to infringe — even though the district court had already entered final judgment in the patentee’s favor.

Federal Circuit, Utility Patent

Commil USA v. Cisco Systems (2013) — Federal Circuit Holds Good-Faith Invalidity Belief Can Negate Induced Infringement Intent

The Federal Circuit held that a defendant’s good-faith belief that the asserted patent is invalid can negate the specific intent required for induced infringement — a ruling the Supreme Court reversed in 2015, clarifying that validity and infringement are separate inquiries and invalidity is not a defense to inducement.

Federal Circuit, Utility Patent

Biosig Instruments v. Nautilus (Federal Circuit 2013) — Court Upholds ‘Spaced Relationship’ Claim Under Lenient Indefiniteness Standard, Drawing Supreme Court Correction

The Federal Circuit held that the term ‘spaced relationship’ in a heart rate monitor patent was not indefinite because it was ‘amenable to construction’ and not ‘insolubly ambiguous’ — applying its then-prevailing indefiniteness test that the Supreme Court unanimously rejected in 2014, replacing it with the ‘reasonable certainty’ standard that governs today.

Federal Circuit, Utility Patent

Lighting Ballast Control v. Philips Electronics — Federal Circuit Reconsiders Claim Construction Standard (Cybor Retained)

The Federal Circuit, sitting en banc, affirmed the Cybor de novo standard of review for claim construction — declining to overturn its 1998 precedent requiring appellate courts to review district court claim construction rulings without deference, in a decision that set the stage for the Supreme Court’s subsequent reversal in Teva v. Sandoz (2015).

Federal Circuit, Utility Patent

Akamai Technologies v. Limelight Networks — Federal Circuit En Banc Expands Inducement to Cover Divided Method Infringement

The Federal Circuit sitting en banc held that a party who induces multiple actors to collectively perform all steps of a method patent claim can be liable for induced infringement even if no single party directly infringes all steps — significantly expanding liability for divided infringement of internet and software method patents.

Federal Circuit, Utility Patent

Pozen Inc. v. Par Pharmaceutical — Federal Circuit on Method-of-Treatment Patents and Obviousness

The Federal Circuit reversed an obviousness finding in a Hatch-Waxman dispute over method-of-treatment patents covering naproxen-esomeprazole combination therapy for treating pain while reducing gastrointestinal damage — holding that the district court failed to properly analyze the motivation to combine the specific drugs in the specific claimed dosing regimen.

Federal Circuit, Utility Patent

Bard Peripheral Vascular v. W.L. Gore & Associates — Federal Circuit Affirms $371M Enhanced Damages for Willful Infringement of Vascular Graft Patent

The Federal Circuit affirmed a $371 million enhanced damages award against W.L. Gore for willful infringement of Bard’s vascular graft patent — one of the largest patent verdicts in history — holding that Gore’s employee did not qualify as a joint inventor and that the pioneering PTFE graft invention belonged solely to Bard’s inventor, Dr. Robert Goldfarb.

Federal Circuit, Utility Patent

Highmark v. Allcare Health Management — Federal Circuit Addresses Standards for Exceptional Case Fee Awards

The Federal Circuit affirmed an exceptional case fee award against Allcare Health Management for maintaining objectively baseless patent infringement claims, applying the then-prevailing two-part test for § 285 fee awards and addressing the standard of review for exceptional case determinations — a ruling that set the stage for the Supreme Court’s 2014 Octane Fitness decision.

Federal Circuit, Utility Patent

Typhoon Touch Technologies v. Dell — Federal Circuit on Means-Plus-Function and Indefiniteness for Touchscreen Patents

The Federal Circuit reversed a finding of indefiniteness in a touchscreen patent dispute, holding that a claim term need not be expressed in traditional means-plus-function form to invoke § 112(f) — and clarified when functional claim language triggers the algorithm-disclosure requirement, with significant implications for computer and touch interface patent litigation.

Federal Circuit, Utility Patent

Therasense Inc. v. Becton Dickinson — Federal Circuit En Banc Raises Bar for Inequitable Conduct Defense

The Federal Circuit sitting en banc overhauled the doctrine of inequitable conduct, holding that rendering a patent unenforceable requires both but-for materiality (the undisclosed information would have blocked the patent) and specific intent to deceive the USPTO — dramatically narrowing a defense that had become a routine litigation tactic.

Federal Circuit, Utility Patent

McKesson Technologies v. Epic Systems — Federal Circuit Addresses Joint Infringement in Healthcare IT Patent Dispute

The Federal Circuit addressed joint infringement in a healthcare IT patent dispute, holding that when patients and healthcare providers together perform steps of a patented method for online patient-provider communications, neither party alone is a direct infringer — applying the direction-or-control standard for divided infringement to electronic health record systems.

Federal Circuit, Utility Patent

Transocean Offshore Deepwater Drilling v. Maersk — Federal Circuit on Obviousness, Secondary Considerations, and Offer for Sale

The Federal Circuit reversed a summary judgment of obviousness in a deepwater drilling rig patent dispute, holding that the district court failed to give adequate weight to powerful objective evidence of non-obviousness — including commercial success, long-felt need, and failure of others — and remanded for proper analysis of the full record.

Federal Circuit, Utility Patent

AstraZeneca LP v. Apotex Corp. — Federal Circuit on Obviousness and Product Labeling Patents in Hatch-Waxman Cases

The Federal Circuit held AstraZeneca’s patents on a once-daily budesonide inhaler formulation (Pulmicort Respules) valid and infringed in a Hatch-Waxman challenge, affirming the district court’s analysis of the complex obviousness record and reinforcing the significance of FDA-required labeling disclosures in constructive notice and § 101 analysis for pharmaceutical patents.

Federal Circuit, Utility Patent

i4i Ltd. Partnership v. Microsoft — Federal Circuit Affirms $200M Verdict and Permanent Injunction for XML Patent Infringement

The Federal Circuit affirmed a $200 million jury verdict and permanent injunction against Microsoft for infringing i4i’s patent on a method for editing custom XML in word processing documents, rejecting Microsoft’s invalidity defense premised on a prior-sold product and upholding the clear-and-convincing evidence standard for patent invalidity claims.

Federal Circuit, Utility Patent

Amgen v. F. Hoffmann-La Roche — Federal Circuit Affirms EPO Patent Infringement by Mircera, Addresses Double Patenting

The Federal Circuit largely affirmed that Roche’s pegylated erythropoietin product Mircera infringed four of Amgen’s EPO patents, but vacated the district court’s double-patenting rulings and remanded for additional analysis — a significant ruling in the long-running battle over the blockbuster anemia-treatment drug market.

Federal Circuit, Utility Patent

Abbott Laboratories v. Sandoz — Federal Circuit En Banc Clarifies Preliminary Injunction Standards for Pharmaceutical Patents

The Federal Circuit en banc held that the traditional four-factor preliminary injunction test applies in Hatch-Waxman patent cases — eliminating the prior practice under which a showing of validity and infringement created a presumption of irreparable harm — and remanded the preliminary injunction against generic clarithromycin for reconsideration under the corrected standard.

Federal Circuit, Utility Patent

Golden Hour Data Systems v. emsCharts — Federal Circuit on Joint Infringement and Method Claims Requiring Multiple Actors

The Federal Circuit addressed the joint infringement problem in method patent claims — holding that when multiple parties each perform different steps of a claimed method, infringement requires that one party direct or control the actions of the other parties performing the remaining steps, setting an important standard for software and service patents with distributed functionality.

Federal Circuit, Utility Patent

In re Kubin — Federal Circuit Applies KSR to Genetic Sequences, Finds Obvious to Clone Known Receptor

The Federal Circuit held that a patent application claiming an isolated DNA sequence encoding the NAIL protein receptor was obvious under KSR — where the prior art disclosed both the protein and routine methods of cloning its encoding gene — marking an important application of KSR’s flexible obviousness standard to biotechnology patent claims for genetic sequences.

Federal Circuit, Utility Patent

Sanofi-Synthelabo v. Apotex — Federal Circuit Upholds Plavix Patent, Holds Racemic Mixture Does Not Anticipate Isolated Enantiomer

The Federal Circuit affirmed the validity of Sanofi’s Plavix (clopidogrel) patent, holding that prior disclosure of a racemic mixture does not anticipate a claim to an isolated single enantiomer — particularly when the enantiomer exhibits unexpectedly superior properties not predictable from the racemate.

International Trade Commission, Utility Patent

Kyocera Wireless v. ITC — Federal Circuit Limits ITC Power to Exclude Downstream Products of Non-Parties in Section 337 Cases

The Federal Circuit held that the ITC’s limited exclusion order authority under Section 337 does not extend to downstream products of non-parties to the investigation — rejecting the ITC’s longstanding practice of excluding finished goods containing infringing components made by respondents, and limiting such broad relief to general exclusion orders.

Federal Circuit, Utility Patent

Finisar Corp. v. DirecTV Group — Federal Circuit Reverses $78.9M Verdict on Claim Construction and Means-Plus-Function Software Disclosure

The Federal Circuit vacated a $78.9 million willful infringement verdict against DirecTV’s satellite broadcasting system, reversing on claim construction and holding that means-plus-function claims for software functions require more than a bare reference to software — the specification must disclose the specific algorithm performing each claimed function.

Federal Circuit, Utility Patent

Aristocrat Technologies v. International Game Technology — Federal Circuit Requires Algorithm Disclosure for Computer-Implemented Means-Plus-Function Claims

The Federal Circuit affirmed the invalidation of Aristocrat’s slot machine patent, holding that computer-implemented means-plus-function claims are indefinite under § 112 unless the specification discloses the specific algorithm that transforms a general-purpose computer into the claimed special-purpose device.

Federal Circuit, Utility Patent

Larson Mfg. v. Aluminart Products — Federal Circuit on Inequitable Conduct and Duty of Candor

The Federal Circuit tightened the standards for inequitable conduct findings, requiring clear and convincing evidence of both materiality and intent to deceive before a patent may be rendered unenforceable — while also confirming that a patent examiner’s independent knowledge of withheld prior art does not excuse the patentee’s duty of disclosure.

Federal Circuit, Utility Patent

Power-One v. Artesyn Technologies — Federal Circuit Clarifies Written Description for Claim Amendments and Priority

The Federal Circuit addressed the interplay of written description and priority, holding that a claim amendment during prosecution that introduces new limitations must find support in the originally filed specification to maintain the benefit of the earlier filing date — a key ruling for patent drafters managing continuation and CIP application strategies.

Federal Circuit, Utility Patent

Forest Laboratories v. Ivax Pharmaceuticals — Federal Circuit on Obviousness and Unexpected Results in Chiral Drug Patent Cases

The Federal Circuit affirmed the validity of Forest Laboratories’ escitalopram (Lexapro) patent, holding the single-enantiomer antidepressant non-obvious over the known racemic citalopram — with the critical role played by unexpected superior pharmacological properties of the isolated (+)-enantiomer over the racemate as evidence of non-obviousness.

Federal Circuit, Utility Patent

Takeda Chemical Industries v. Alphapharm — Federal Circuit Applies KSR to Find Diabetes Drug Non-Obvious

In one of the first major post-KSR Federal Circuit obviousness decisions, the court upheld the non-obviousness of Takeda’s pioglitazone (Actos) patent, applying the Supreme Court’s flexible obviousness framework while affirming that selection from a genus of prior art compounds requires specific motivation to choose the patented compound.

Federal Circuit, Utility Patent

Leapfrog Enterprises v. Fisher-Price — Federal Circuit Applies KSR to Find Interactive Learning Toy Obvious

In one of the first post-KSR Federal Circuit obviousness decisions, the court invalidated Leapfrog’s patent on an electronic phonics learning toy as obvious, holding that it would have been obvious to combine the mechanical toy’s learning concept with electronic text-to-speech technology that was well-known in the prior art — a straightforward application of KSR’s flexible approach.

Supreme Court, Utility Patent

Microsoft Corp. v. AT&T Corp. — Supreme Court Limits § 271(f) Liability for Software Shipped Abroad on Golden Master Discs

The Supreme Court held that Microsoft did not infringe AT&T’s speech processing patents under § 271(f) when it shipped master discs of Windows to foreign manufacturers who then copied and installed the software — because software code, standing alone, is not a ‘component’ that can be ‘supplied’ from the United States for purposes of foreign-combination liability.

Federal Circuit, Utility Patent

Daiichi Sankyo v. Apotex — Federal Circuit on Ordinary Skill in the Art and Obviousness in Pharmaceutical Cases

The Federal Circuit reversed a district court’s obviousness finding in a Hatch-Waxman pharmaceutical case, holding that the court had improperly defined the level of ordinary skill in the art — which significantly affected the obviousness analysis for an antibiotic ear drop formulation patent — underscoring the critical role of ordinary skill level determination in patent validity disputes.

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