In IOENGINE, LLC v. Ingenico Inc. (Fed. Cir. 2025), the Federal Circuit narrowed the scope of IPR estoppel under 35 U.S.C. § 315(e)(2), which precludes an IPR petitioner from asserting in court that a patent claim “is invalid...more
Inter partes reviews (IPR) are limited by statute to grounds of invalidity under 35 U.S.C. §§ 102 (novelty requirement) and 103 (nonobviousness requirement) and on the basis of prior art patents or printed publications....more