In the April 3, 2023 decision in Ironburg Inventions Ltd. v. Valve Corporation, 21-2296, Doc. 66, the Federal Circuit provides crucial guidance regarding inter partes review (IPR) estoppel under 35 ...
Under 35 U.S.C. § 315(e)(2), a patent challenger in an inter partes review (IPR) that reaches a final written decision is estopped from arguing in a district court or the ITC that the challenged ...
Last week I wrote about how the US Patent and Trademark Office is pushing a rule change that would effectively neuter the inter partes review (IPR) system that reviews already granted patents to make ...
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