The USPTO’s recently published notice of proposed rulemaking (RIN 0651-AD89, Docket No. PTO-P-2025-0025) for inter partes review (IPR) proceedings seeks to curb multiple IPR challenges to the same ...
On May 7, the U.S. Court of Appeals for the Federal Circuit held in Ingenico Inc. v. Ioengine LLC that inter partes review estoppel does not extend to arguments that the claimed invention is invalid ...
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