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District Court’s Failure to Consider Unrebutted Expert Testimony and Surrounding Claim Context Fatal to Means-Plus-Function Analysis

USA - April 6 2022 In Dyfan, LLC v. Target Corp., No. 21-1725 (Fed. Cir. Mar. 24, 2022), the Federal Circuit reversed the district court’s determination that certain…

Elizabeth D. Ferrill, Angeline L. Premraj

Ex Parte Reexamination Scheme Did Not Preclude Review of Director’s Decision to Vacate Reexamination Proceedings Based on IPR Estoppel

USA - March 14 2022 In Alarm.com Inc. v. Hirshfeld, No. 21-2102 (Fed. Cir. Feb. 24, 2022), the Federal Circuit reversed the district court’s determination that it lacked…

Elizabeth D. Ferrill, Angeline L. Premraj

CosmoKey Gets a Duo-Over - Federal Circuit Panel Reverses Finding of Ineligibility

USA - November 15 2021 In CosmoKey Solutions GMBH & Co. KG v. Duo Security LLC, No. 2020-2043 (Fed. Cir. Oct. 4, 2021), the Federal Circuit reversed a finding of…

Elizabeth D. Ferrill, Christopher C. Johns

Design Patent Claims Limited to Recited Article of Manufacture

USA - October 28 2021 In In re: SurgiSil, L.L.P., No. 2020-1940 (Fed. Cir. Oct. 4, 2021), the Federal Circuit reversed the Board’s decision affirming an examiner’s…

Elizabeth D. Ferrill, Kelly S. Horn

Federal Circuit Denies Mandamus Petition, Confirming Non-Appealability of Institution Decisions Despite Parties’ Agreement to First Arbitrate Patent Validity

USA - September 22 2021 In In re: MaxPower Semiconductor, Inc., No. 2021-146 (Fed. Cir. Sept. 8, 2021), the Federal Circuit denied MaxPower’s petition for mandamus seeking…

Elizabeth D. Ferrill