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 ...
April 17, 2023 - Patent Trial and Appeal Board (PTAB) post-grant validity challenges — for example, inter partes review — are frequent components of a patent litigation strategy for defendants.
January 15, 2026 - Patent Trial and Appeal Board (PTAB) post-grant validity challenges, for example, inter partes review (IPR), are frequent components of a patent litigation strategy for defendants.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results