Client Alerts
Federal Circuit Defines Scope of IPR Estoppel
In Ingenico Inc. v. IOENGINE, LLC, the Federal Circuit defined for the first time the scope of inter partes review (“IPR”) estoppel in district court and International Trade Commission (ITC) proceedings: IPR estoppel applies only to invalidity arguments that the claimed invention was described in a patent or printed publication before the critical date.
May 12, 2025 • V&E Intellectual Property Update Published by Intellectual Property & Technology Law Journal, August 2025
May 12, 2025 • 6-minute read










