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  • 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”).  
    Categories : EstoppelInter Partes Review
  • Federal Circuit Affirms IPR Estoppel Under 35 U.S.C. § 315(e)(1) For Simultaneous Petitions
     
    02/17/2022

    On February 11, 2022, the Court of Appeals for the Federal Circuit (CAFC) affirmed a decision of the Patent Trial and Appeal Board (PTAB) terminating a petitioner’s participation in an inter partes review (IPR) based on the estoppel provision of 35 U.S.C § 315(e)(1).  Intuitive Surgical Inc. v. Ethicon LLC, No. 2020-1481 (Fed. Cir. Feb. 11, 2022).
    Categories : EstoppelInter Partes Review