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Appeals Patents Patent Validity

Knobbe Martens

Reissue Applications Are Bound by the Scope of the Claims as Written, Not as Intended

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IN RE KOSTIC - Before Stoll, Clevenger, and Cunningham. Appeal from the Patent Trial and Appeal Board. When considering whether a reissue claim broadens the scope of the original patent, the PTAB determines the actual scope...more

Cooley LLP

European Patent Office Clarifies Claim Interpretation

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The Enlarged Board of Appeal of the European Patent Office (EPO) has issued a new decision – G 1/24 – addressing the diverging approaches to claim interpretation when assessing patentability. Following this decision, the...more

McDermott Will & Emery

No Blank Check: Vendor Can’t Claim Declaratory Judgment From Customer Lawsuits Alone

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The US Court of Appeals for the Federal Circuit affirmed a district court’s dismissal of a declaratory judgment action, explaining that declaratory judgment jurisdiction does not “arise merely on the basis that a party learns...more

BCLP

Federal Circuit Clarifies Limits of Prosecution Disclaimer in Patent Families

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In Maquet Cardiovascular LLC v. Abiomed Inc., 131 F.4th 1330 (Fed. Cir. 2025), the Federal Circuit addressed whether the prosecution history of one patent in a patent family can limit the scope of claims in a different patent...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Alnylam Pharmaceuticals, Inc. v. Moderna, Inc.

Alnylam Pharmaceuticals, Inc. v. Moderna, Inc., Appeal No. 2023-2357 (Fed. Cir. June 4, 2025) In this week’s Case of the Week, the Federal Circuit affirmed a final judgment that Moderna’s mRNA-based COVID-19 vaccine did...more

A&O Shearman

Federal Circuit Rejects PTAB’s Implicit And Incorrect Claim Construction Of “Between 1 And 10”

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On May 23, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the challenged...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Broadening on Reissue is Based on the Scope of the Language of the Claims, Not the Original Intention of the Applicant

Takeaways: - Claim construction for determining whether reissue claims are improperly broadened is based on fundamental claim construction cannons and not applicant intentions. - Patent Owners should check patented claims...more

Sheppard Mullin Richter & Hampton LLP

A Line in the Sand: Federal Circuit Bounds IPR Estoppel in Ingenico v. IOENGINE

In a significant development for patent litigants, the Federal Circuit in Ingenico Inc. v. IOENGINE, LLC, affirmed an important limitation on the scope of IPR estoppel under 35 U.S.C. § 315(e)(2). Specifically, the court held...more

BakerHostetler

[Podcast] Make It Plain: Clarity Regarding Obviousness-Type Double Patenting

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In a year defined by landmark decisions, impactful announcements and new standards, clarity in the patent world comes as a welcome relief. It arrived via a federal circuit court decision in August 2024 that settled certain...more

Proskauer - The Patent Playbook

Federal Circuit Affirms Stem Cell Product-by-Process Claims: Lessons in Claim Construction and Inherency from Restem LLV v. Jadi...

The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more

A&O Shearman

Federal Circuit Clarifies Requirements To Establish Convoyed Sales In Patent Damages

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On March 24, 2025, the U.S. Court of Appeals for the Federal Circuit (“Federal Circuit”) issued an opinion affirming a district court’s judgement of infringement while vacating and remanding the district court’s damages...more

McDermott Will & Emery

Validity Analysis for Product-by-Process Claim Focuses on Product

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The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board patentability finding, explaining that an anticipation analysis for a product-by-process claim focuses on the product and not the process....more

Vorys, Sater, Seymour and Pease LLP

The Precedent: Federal Circuit Sidesteps Ruling on the Reverse Doctrine of Equivalents Theory in Steuben Foods Inc. v. Shibuya...

In this edition of The Precedent, we outline the decision in Steuben Foods Inc. v. Shibuya Hoppmann Corp. This case addresses whether the reverse doctrine of equivalents (RDOE) is a viable defense to patent infringement....more

Rothwell, Figg, Ernst & Manbeck, P.C.

Federal Circuit Reverses PTAB’s holding of Non-Obviousness of Standard Adopted 3G Technology

The recent decision by the Federal Circuit in Honeywell International Inc. v. 3G Licensing, S.A., issued on January 2, 2025, overturned the Patent Trial and Appeal Board’s (“the Board”) factual and legal holdings in the final...more

Knobbe Martens

Bound to Happen: Inherent Property Leaves No Question of Reasonable Expectation of Success

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CYTIVA BIOPROCESS R&D AB V. JSR CORP. - Before Prost, Taranto, and Hughes.  Appeal from the Patent Trial and Appeal Board. Summary: A claim limitation merely reciting an inherent property or result of an otherwise obvious...more

McDermott Will & Emery

Neck or Nothing? “Quotation” Invalidates On-Sale Bar

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The US Court of Appeals for the Federal Circuit found the patents at issue invalid based on the patent owner’s “quotation” letter to a third party, concluding it was a commercial offer for sale under pre-America Invents Act...more

Knobbe Martens

Federal Circuit Review - September 2024

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Combining Abstract Ideas Does Not Make Them Less Abstract - In Broadband Itv, Inc. v. Amazon.Com, Inc., Appeal No. 23-1107, the Federal Circuit held that when assessing patent eligibility under 35 U.S.C. § 101, combining two...more

McDermott Will & Emery

A New Vision: Collateral Estoppel Doesn’t Extend to Related Claims

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The US Court of Appeals for the Federal Circuit reversed a district court order excluding expert validity testimony based on collateral estoppel stemming from an inter partes review (IPR) proceeding of a related patent,...more

Knobbe Martens

Platinum Cannot Stand on Speculation

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Before Moore. Appeal from the Patent Trial and Appeal Board. Summary: Standing based on potential infringement liability requires concrete plans for future activity which will create a substantial risk of future infringement...more

Haug Partners LLP

A New Era for Design Patent Claims: Federal Circuit Overrules Rosen-Durling Test in LKQ Corp. v. GM Glob. Tech Operations LLC

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In LKQ Corp. v. GM Global Tech Operations LLC, the United States Court of Appeals for the Federal Circuit, sitting en banc, overruled the Rosen-Durling test for assessing obviousness of design patents.The now-outdated...more

McDermott Will & Emery

Patenting Web Advertising? Ask Alice, I Think She’ll Know

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In a wide-ranging opinion, the US Court of Appeals for the Federal Circuit affirmed the district court’s grant of summary judgment of invalidity for lack of patent eligible subject matter under 35 U.S.C. § 101 with respect to...more

Smart & Biggar

Federal Court of Appeal affirms paliperidone palmitate claims are not unpatentable methods of medical treatment

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In a 2022 decision involving Janssen and Pharmascience, the Federal Court found that the claims of Canadian Patent No. 2,655,335 (335 patent, relating to paliperidone palmitate (Janssen’s INVEGA SUSTENNA)) were not invalid...more

McDermott Will & Emery

Wave Goodbye: Arguments Incorporated by Reference Are Waived

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The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s patentability determination, finding that the patent challenger waived an argument it attempted to incorporate by reference to another...more

McDermott Will & Emery

Breaking Up Is Hard to Do: Validity Upheld Based on Expert Separation Testimony

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The US Court of Appeals for the Federal Circuit affirmed a district court decision finding that two patents covering enantiomerically pure compositions of the psoriasis drug Otezla® (apremilast) were valid and one patent...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Patent Invalid Due to Trade Show Demonstration More Than One Year Before Filing Date

In a cautionary tale for inventors participating in trade shows and other non-confidential presentations, on February 15, 2023, the U.S. Court of Appeals for the Federal Circuit affirmed a district court decision invalidating...more

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