On October 16, 2025, the United States Patent and Trademark Office (USPTO) issued a proposed rulemaking notice regarding significant changes to the procedures for instituting inter partes review (IPR) ...
The scope of an IPR is limited to “a ground that could be raised under [35 U.S.C. § 102, related to anticipation, or 35 U.S.C. § 103, related to obviousness] and only on the basis of prior art ...
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.
July 01, 2025 - On May 7, 2025, the U.S. Court of Appeals for the Federal Circuit addressed a longstanding split among district courts concerning the scope of inter partes review ("IPR") estoppel.
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