On April 19, 2024, the United States Patent and Trademark Office (USPTO or Office) issued proposed modifications to the rules of practice for inter partes review (IPR) and postgrant review (PGR) proceedings before the Patent...more
Assignor Estoppel Does Not Apply in the IPR Context - In Arista Networks, Inc. v. Cisco Systems, Inc., Appeal Nos. 2017-1525, 2017-1577, the Federal Circuit held that the plain language of 35 U.S.C. ยง 311(a) unambiguously...more