Comprehensive guide to Doctrine Of Equivalents In Patent Law cases, courts, and legal analysis.
Ingevity Corporation v. Basf Corporation, decided by Federal Circuit on February 11, 2026, resulted in a defendant win outcome. The core dispute centered on whether BASF's patent for a catalyst used i...
Gotv Streaming, LLC v. Netflix, Inc., decided by Federal Circuit on February 9, 2026, resulted in a defendant win outcome. The core dispute involved whether Netflix's streaming service infringed upon ...
Range of Motion Products, LLC v. Armaid Company Inc., decided by Federal Circuit on February 2, 2026, resulted in a defendant win outcome. The core dispute centered on whether Range of Motion Products...
US Patent No. 7,679,637 LLC v. Google LLC, decided by Federal Circuit on January 22, 2026, resulted in a defendant win outcome. The core dispute centered on whether Google's use of a patent for a "sys...
Barry v. Depuy Synthes Companies, decided by Federal Circuit on January 20, 2026, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's grant of summary judgment to th...
Ethanol Boosting Systems, LLC v. Ford Motor Company, decided by Federal Circuit on December 23, 2025, resulted in a defendant win outcome. The core dispute centered on whether Ford Motor Company infri...
IBM v. Zillow Group, Inc., decided by Federal Circuit on December 9, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's grant of summary judgment to Zillow, h...
Akamai Technologies, Inc. v. Mediapointe, Inc., decided by Federal Circuit on November 25, 2025, resulted in a defendant win outcome. The core dispute centered on whether Mediapointe's patent for a me...
Escapex Ip, LLC v. Google LLC, decided by Federal Circuit on November 25, 2025, resulted in a defendant win outcome. The core dispute centered on whether Google's Pixel phones infringed upon Escapex's...
Duke University v. Sandoz Inc., decided by Federal Circuit on November 18, 2025, resulted in a plaintiff win outcome. The core dispute involved the interpretation of a "best efforts" clause in a paten...
Smartrend Manufacturing Group (Smg), Inc. v. Opti-Luxx Inc., decided by Federal Circuit on November 13, 2025, resulted in a defendant win outcome. The core dispute centered on whether Opti-Luxx's "sma...
Merck Serono S.A. v. Hopewell Pharma Ventures, Inc., decided by Federal Circuit on October 30, 2025, resulted in a defendant win outcome. The core dispute centered on whether Merck Serono's patent for...
Aortic Innovations LLC v. Edwards Lifesciences Corporation, decided by Federal Circuit on October 27, 2025, resulted in a defendant win outcome. The core dispute centered on whether Edwards Lifescienc...
Centripetal Networks, LLC v. Palo Alto Networks, Inc., decided by Federal Circuit on October 22, 2025, resulted in a plaintiff win outcome. The core dispute involved Centripetal Networks' patent infri...
Inland Diamond Products Co. v. Cherry Optical Inc., decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. The case concerns whether a patent for a "method of manufacturi...
Finesse Wireless LLC v. At&t Mobility LLC, decided by Federal Circuit on September 24, 2025, resulted in a defendant win outcome. The core dispute centered on whether At&t Mobility LLC (At&t) infringe...
Powerblock Holdings, Inc. v. Ifit, Inc., decided by Federal Circuit on August 11, 2025, resulted in a defendant win outcome. The core dispute centered on whether iFit's "SmartRow" product infringed up...
Mondis Technology Ltd. v. Lg Electronics Inc., decided by Federal Circuit on August 8, 2025, resulted in a defendant win outcome. The core dispute centered on whether LG Electronics infringed Mondis T...
Avient Corp. v. Westlake Vinyls, Inc., decided by Sixth Circuit on July 29, 2025, resulted in a defendant win outcome. The Sixth Circuit affirmed the district court's grant of summary judgment to West...
Colibri Heart Valve LLC v. Medtronic Corevalve, LLC, decided by Federal Circuit on July 18, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's finding of non-...
Egenera, Inc. v. Cisco Systems, Inc., decided by Federal Circuit on July 7, 2025, resulted in a defendant win outcome. The core dispute centered on whether Cisco's "Nexus" line of network switches inf...
VCST Int'l B.V. v. BorgWarner Noblesville, LLC, decided by Sixth Circuit on June 30, 2025, resulted in a defendant win outcome. The Sixth Circuit affirmed the district court's grant of summary judgmen...
Eye Therapies, LLC v. Slayback Pharma LLC, decided by Federal Circuit on June 30, 2025, resulted in a defendant win outcome. The core dispute centered on whether Slayback Pharma LLC's proposed generic...
Amgen Inc v. Celltrion USA Inc, decided by Third Circuit on June 5, 2025, resulted in a mixed outcome. The Third Circuit affirmed the District Court's finding of infringement of Amgen's patents for it...
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