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IP Litigation Blog

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Federal Circuit Rejects Mandamus Petition Challenging Discretionary Denials

USA - December 17 2025 On November 6, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) issued a decision denying a petition for writ of mandamus relief from…

Federal Circuit Rejects Estoppel And Expired Patent Arguments And Affirms Finding of Anticipation

USA - December 17 2025 The United States Court of Appeals for the Federal Circuit reviewed an appeal from the Patent Trial and Appeal Board's decision in an ex parte…

Federal Circuit Affirms Indefiniteness And Noninfringement Of Intelligent Distribution Network Patents

USA - December 17 2025 In Akamai Techs., Inc. v. MediaPointe, Inc., No. 24-1571 (Fed. Cir. Nov. 25, 2025), the Federal Circuit affirmed the Central District of California's…

Federal Circuit Continues Its Strict Review Of Genus Claims And Reverses Lack Of Written Description Verdict

USA - November 25 2025 In Duke University v. Sandoz Inc., No. 2024-1078, __ F.4th __ (Fed. Cir. Nov. 12, 2025), the Federal Circuit reversed a judgment of the United States…

Federal Circuit Grapples With Standard For Judicial Correction Of Patent Claim Language

USA - November 18 2025 On November 12, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) reversed and remanded the claim construction decision of the U.S…

Consistent And Interchangeable Use Of Terms Leads To Implicit Lexicographic Definition

USA - November 4 2025 In an October 27, 2025 precedential opinion, Aortic Innovations LLC v. Edwards Lifesciences Corp., No. 2024-1145, the Federal Circuit affirmed a…

Federal Circuit Affirms The ITC’s Finding Of Invalidity Of Water-Filter Patent

USA - November 4 2025 In Brita LP v. Int’l Trade Comm’n, No. 24-1098 (Fed. Cir. Oct. 15, 2025), the Federal Circuit, in a precedential opinion, affirmed the International…

USPTO Proposes PTAB Rule Revisions To Curb Serial And Parallel Challenges, Bolster Patent Reliability

USA - October 21 2025 The United States Patent and Trademark Office has proposed a significant overhaul of its rules for instituting inter partes reviews (IPRs) at the…

Federal Circuit Affirms JMOL Of No Damages In Surgical Stapler Patent Dispute

USA - October 15 2025 On October 2, 2025, the United States Court of Appeals for the Federal Circuit (Judges Dyk, Prost, and Stoll) (“Federal Circuit”) affirmed the…

Federal Circuit Reverses Patent And Trademark Infringement Findings And Vacates Trade Dress And Willfulness Findings

USA - October 6 2025 On September 23, 2025, the Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion affirming in part, reversing in part, and…