News & Analysis as of

Intellectual Property Litigation Statutory Interpretation Estoppel

Dorsey & Whitney LLP

Federal Circuit Clarifies Scope of IPR Estoppel

Dorsey & Whitney LLP on

In a precedential opinion entered on May 7, 2025, the United States Court of Appeals for the Federal Circuit affirmed a jury verdict invalidating claims of two patents for anticipation and obviousness over the prior art....more

WilmerHale

Federal Circuit Provides Guidance on Scope of IPR Estoppel

WilmerHale on

In its recent decision in Ingenico Inc. v. IOENGINE, LLC, the Federal Circuit affirmed the district court’s decision to allow Ingenico to introduce certain prior art at trial, finding that inter partes review (IPR) estoppel...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Estoppel Certification in Reexamination

Estoppel certification in reexamination prevents relitigation of resolved issues....more

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