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Prior Art CAFC Intellectual Property Litigation

A&O Shearman

Federal Circuit Rejects PTAB’s Implicit And Incorrect Claim Construction Of “Between 1 And 10”

A&O Shearman on

On May 23, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) issued a precedential opinion reversing a final written decision from the U.S. Patent Trial and Appeal Board (“PTAB”) finding the challenged...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

BakerHostetler

[Podcast] Make It Plain: Clarity Regarding Obviousness-Type Double Patenting

BakerHostetler on

In a year defined by landmark decisions, impactful announcements and new standards, clarity in the patent world comes as a welcome relief. It arrived via a federal circuit court decision in August 2024 that settled certain...more

BakerHostetler

[Podcast] A New Test: Landmark Decision Overrules Framework for Design Patent Obviousness

BakerHostetler on

The legal landscape quaked, and clients and counsel continue to navigate the tremors. More than 40 years of precedent was upended in May 2024 when a federal circuit court struck down the Rosen-Durling test for assessing...more

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