Federal Circuit Review | April 2026
April Federal Circuit Newsletter (Japanese) April Federal Circuit Newsletter (Chinese) Invisible But Invalidating: Undisclosed Functionality Still Triggers On-Sale Bar In Definitive Holdings, LLC v. Powerteq LLC, Appeal No. 24-1761,...
Federal Circuit Confirms Patent Eligibility of Gene Therapy Patent in Regenexbio Inc. v. Sarepta Therapeutics
Key Takeaway: Genetically engineered cultured host cells containing recombinant nucleic acids useful for gene therapy are patent-eligible for being markedly different from anything occurring in nature. In REGENXBIO Inc. v....
Yi Zhou and Ben Katzenellenbogen Analyze Inconsistent Applications of the Alice Test in Software Patent Litigation for Reuters Westlaw
In a recent Reuters Westlaw article, Knobbe Martens lawyers Yi Zhou and Ben Katzenellenbogen discuss the Federal Circuit’s decision in USAA v. PNC Bank and its implications for patent eligibility...
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