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Patent Litigation Split of Authority Patent Invalidity

Fish & Richardson

Ingenico v. IOENGINE and the Diminishing Role of Sotera Stipulations

Fish & Richardson on

In Ingenico v. IOENGINE, No. 2023-1367 (Fed. Cir. May 7, 2025), the Federal Circuit resolved a long-standing split among District Courts in favor of petitioners regarding inter partes review (IPR) estoppel under 35 U.S.C. §...more

Bradley Arant Boult Cummings LLP

Ericsson Prevails on Appeal in Its Efforts to Invalidate a Frequency Hopping Patent - Intellectual Property News

Appealed PTAB decisions are generally accorded a deferential “substantial evidence” standard by the Federal Circuit. However, this deference did not prevent Ericsson from prevailing in its appeal to the Federal Circuit to...more

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