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Equivalence Requires Element-by-Element Proof With Linking Argument

The US Court of Appeals for the Federal Circuit affirmed a district court determination that a patent owner had not provided the “particularized testimony and linking argument” required to demonstrate equivalence under the...more

Don’t Mess With Anna: Texas Town Schools Patent Owner on § 101

On cross-appeals from a granted Fed. R. of Civ. Pro. 12(c) motion on subject matter eligibility, the US Court of Appeals for the Federal Circuit found that a patent directed to a method for “assist[ing] an investigator in...more

Cross-Appeals Fail to Strike a Chord

In the latest development in the ongoing litigation saga between competitors Sonos and Google, the US Court of Appeals for the Federal Circuit affirmed the US International Trade Commission’s determination that the original...more

New Claim Construction in Patent Owner’s Post-Initiation IPR Response? Sure, Charge Away

Addressing the issue of new claim constructions presented by a patent owner after the institution of inter partes review (IPR) proceedings, the US Court of Appeals for the Federal Circuit found that a petitioner is entitled...more

Missed Connection: Avoid Claim Construction Rendering Independent Claim Narrower Than Dependent Claim

The US Court of Appeals for the Federal Circuit vacated a district court’s claim construction concerning generic independent claims that were amended after a species restriction requirement, because the district court...more

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