Estoppel Doctrine in China's Patent System
On July 26, 2024, the Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing-in-part decisions from the U.S. Patent Trial and Appeal Board (“PTAB”) in two inter partes reexamination...more
On July 26, 2024, in a precedential decision, the U.S. Court of Appeals for the Federal Circuit (CAFC) upheld and expounded on the estoppel provision set forth in 37 C.F.R. § 42.73(d)(3)(i). The CAFC confirmed that the Patent...more
Earlier this month, in the precedential decision Uniloc 2017 LLC v. Facebook Inc., the Court of Appeals for the Federal Circuit (“the CAFC”) upheld the Patent Trial and Appeal Board (“the Board”) on the issue of estoppel (or...more
On June 21, Senators Chris Coons (D-Del), Tom Cotton (R-Ark), Dick Durbin (D-Ill), and Mazie Hironoa (D-Hawaii) introduced the “Support Technology & Research for Our Nation’s Growth and Economic Resilience Patents Act of...more
In Intendis GmbH v. Glenmark Pharmaceuticals Inc., USA, the Federal Circuit affirmed the district court decision that found infringement under the doctrine of equivalents. This case shows that the doctrine of equivalents...more
Under 35 U.S.C. 315(e)(1), a petitioner in an inter partes review of a claim in a patent that has resulted in a final written decision by the Board may not request or maintain a proceeding before the Patent Office with...more