Tag: Section 314(d)
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Hafeman v. Google: Federal Circuit Bars Sotera Institution Challenges and Tightens Nexus Proof
The Federal Circuit’s decision in Hafeman v. Google LLC, Case No. 24-1600 (Fed. Cir. Jun. 5, 2026) addresses three recurring issues in inter partes review practice: the scope of appellate review under 35 U.S.C. § 314(d), the limits of claim construction arguments raised after PTAB proceedings have concluded, and the evidentiary burden required to establish…
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Ethanol Boosting Systems v. Ford: Federal Circuit Enforces PTAB Institution Finality and Issue Preservation
The Federal Circuit’s December 23, 2025 decision in Ethanol Boosting Systems, LLC v. Ford Motor Company delivers a comprehensive reminder of three recurring themes in modern PTAB litigation: the near-impenetrable bar to reviewing institution decisions, the limits of importing district court claim constructions into inter partes review, and the evidentiary deference accorded to the Board’s…