The CAFC Holds That IPR Estoppel Does Not Shield Patentees From System Prior Art
05/13/2025
On May 7, 2025, the U.S. Court of Appeals for the Federal Circuit (“CAFC”) affirmed a decision by the U.S. District Court for the District of Delaware (“district court”) that found claims of two IOENGINE, LLC (“IOENGINE”) patents related to USB thumb drives—U.S. Patent Nos. 9,059,969 and 9,774,703 (collectively, “asserted patents”)—invalid as anticipated and rendered obvious by the prior art. Ingenico Inc. v. IOENGINE, LLC, No. 2023-1367, ---F.4th---, 2025 WL 1318188, at *1 (Fed. Cir. May 7, 2025) (hereafter, “Ingenico”).