On March 26, 2025, the United States Patent and Trademark Office (USPTO) announced changes to the Patent Trial and Appeal Board (PTAB) trial institution process, creating a new bifurcated approach to institution decisions....more
Precedential Opinion Addresses Conclusory Expert Declarations - In a precedential opinion in Xerox Corp. v. Bytemark, Inc., IPR2022-00624, Paper 9 (P.T.A.B. Aug. 24, 2022), the Board denied institution of an inter partes...more
In October 2019, a Federal Circuit panel concluded that the status of Administrative Patent Judges (APJs) on the Patent Trial and Appeal Board (PTAB) at the U.S. Patent and Trademark Office (PTO) violated the Appointments...more
Broad Claim Language and Unpredictability in the Art Lead to Non-Enablement - In Enzo Life Sciences, Inc. v. Roche Molecular Systems, Inc., Appeal Nos. 2017-2498, -2499, -2545, -2546, broad patent claims were invalid as...more