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Estoppel › Judicial Authority › Appeals

ArentFox Schiff

Federal Circuit Narrows Scope of IPR Estoppel, Resolving District Court Split

ArentFox Schiff on

The Federal Circuit recently clarified in Ingenico Inc. v. IOENGINE, LLC that inter partes review (IPR) estoppel does not extend to physical systems described in prior art patents or printed publications....more

Goodwin

New York’s Highest Court Agrees To Hear Constitutional Challenge to Estoppel Provision of FAPA

Goodwin on

On May 20, 2025, the New York Court of Appeals agreed to hear constitutional challenges to one aspect of New York’s Foreclosure Abuse Prevention Act (FAPA). ...more

Proskauer - The Patent Playbook

Ingenico Inc. v. IOENGINE, LLC: Federal Circuit Resolves the IPR Estoppel Split

Proskauer - The Patent Playbook on

In what is certain to become a landmark decision, the Federal Circuit has resolved a long-standing question that divided patent litigators and judges alike: does IPR estoppel apply to physical systems (“system art”) described...more

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