Federal Circuit’s Inter Partes Review Estoppel Holding Will Stand

(October 2, 2023, 12:57 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court announced Oct. 2 that it will not review an August 2022 ruling by the Federal Circuit U.S. Court of Appeals that inter partes review (IPR) estoppel bars a patent infringement defendant from asserting invalidity in Texas federal litigation....