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1 day agoEn Banc Petition Challenges Federal Circuit's "Reference Recycling" Loophole in IPR Estoppel
The Federal Circuit is now considering a rehearing petition challenging the Federal Circuit's recent decision in Ingenico Inc. v. IOENGINE, LLC, 136 F.4th 1354 (Fed. Cir. 2025), which narrowed the scope of Inter Partes Review (IPR) estoppel under 35 U.S.C. § 315(e)(2). Under the statute - an IPR petitioner is estopped from later re-challenging a patent's validity based upon grounds that could have been raised in the IPR:
Intellectual property law