Browse 24 doctrine of equivalents cases decided by Federal Circuit. AI-powered summaries, holdings, and legal analysis.
Doctrine Of Equivalents Opinions from Federal Circuit (24)
Federal Circuit Affirms Non-Infringement of Catalyst Patent
Federal Circuit · 2026-02-11 · Defendant Win · Impact: 25/100
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...
Federal Circuit Affirms No Patent Infringement for Unapproved Drug Method
Federal Circuit · 2026-01-20 · Defendant Win · Impact: 60/100
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...
Federal Circuit Affirms Non-Infringement of Infant Car Seat Patent
Federal Circuit · 2025-12-17 · Defendant Win · Impact: 20/100
Wonderland Switzerland Ag v. Evenflo Company, Inc., decided by Federal Circuit on December 17, 2025, resulted in a defendant win outcome. The core dispute centered on whether Evenflo's "Prodigy" infan...
CAFC Affirms Zillow's Non-Infringement of IBM Patent
Federal Circuit · 2025-12-09 · Defendant Win · Impact: 20/100
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...
Federal Circuit Affirms No Patent Infringement by Goodyear
Federal Circuit · 2025-12-08 · Defendant Win · Impact: 25/100
Coda Development S.R.O. v. Goodyear Tire & Rubber Company, decided by Federal Circuit on December 8, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's grant ...
Federal Circuit Affirms Non-Infringement of Gesture Interface Patent
Federal Circuit · 2025-12-01 · Defendant Win · Impact: 25/100
In Re GESTURE TECHNOLOGY PARTNERS, LLC, decided by Federal Circuit on December 1, 2025, resulted in a defendant win outcome. The case concerns whether a patent for a gesture-based user interface was i...
Federal Circuit Affirms Non-Infringement of Smart Lighting Patent
Federal Circuit · 2025-11-13 · Defendant Win · Impact: 25/100
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...
CAFC Affirms Non-Infringement Finding in Patent Dispute
Federal Circuit · 2025-11-12 · Defendant Win · Impact: 25/100
Canatex Completion Solutions, Inc. v. Wellmatics, LLC, decided by Federal Circuit on November 12, 2025, resulted in a defendant win outcome. The case concerns a patent infringement dispute where the p...
Federal Circuit Affirms Non-Infringement of Aortic Valve Patent
Federal Circuit · 2025-10-27 · Defendant Win · Impact: 25/100
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...
Federal Circuit Affirms Patent Infringement Finding Against Palo Alto Networks
Federal Circuit · 2025-10-22 · Plaintiff Win · Impact: 65/100
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...
CAFC: Brita's filter sales not in 'ordinary course of trade' for ITC jurisdiction
Federal Circuit · 2025-10-15 · Defendant Win · Impact: 30/100
Brita Lp v. Itc, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. The case concerns the interpretation of "ordinary course of business" under 19 U.S.C. § 1337(a)(2)...
Federal Circuit Affirms Non-Infringement of Lens Manufacturing Patent
Federal Circuit · 2025-10-15 · Defendant Win · Impact: 25/100
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...
Federal Circuit Affirms Non-Infringement of Semiconductor Manufacturing Patent
Federal Circuit · 2025-10-15 · Defendant Win · Impact: 25/100
Iqe Plc v. Newport Fab, LLC, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. The case concerns whether a patent for a "method of manufacturing a semiconductor devi...
Federal Circuit Affirms ITC's Negative Dumping Determination for Gujarat Fluorochemicals
Federal Circuit · 2025-10-08 · Defendant Win · Impact: 25/100
Gujarat Fluorochemicals Ltd. v. United States, decided by Federal Circuit on October 8, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the International Trade Commission's (IT...
Federal Circuit Affirms Non-Infringement of Wireless Patent
Federal Circuit · 2025-09-24 · Defendant Win · Impact: 15/100
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...
Federal Circuit Denies Standing for Patent Infringement Claim
Federal Circuit · 2025-09-09 · Defendant Win · Impact: 30/100
Future Link Systems, LLC v. Realtek Semiconductor Corporation, decided by Federal Circuit on September 9, 2025, resulted in a defendant win outcome. The case concerns whether Future Link Systems (FLS)...
Federal Circuit Affirms Non-Infringement of Taction's Patent Claims
Federal Circuit · 2025-08-13 · Defendant Win · Impact: 20/100
Taction Technology, Inc. v. Apple Inc., decided by Federal Circuit on August 13, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's grant of summary judgment ...
Federal Circuit Affirms Non-Infringement of Weight-Adjustable Dumbbell Patent
Federal Circuit · 2025-08-11 · Defendant Win · Impact: 25/100
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...
Federal Circuit Affirms Non-Infringement of Patent for Drug Formulation Treatment
Federal Circuit · 2025-08-01 · Defendant Win · Impact: 15/100
Wright v. Collins, decided by Federal Circuit on August 1, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for treating a patient's condition using a specifi...
CAFC Affirms Non-Infringement Finding in MS Drug Patent Case
Federal Circuit · 2025-07-25 · Defendant Win · Impact: 30/100
Acorda Therapeutics, Inc. v. Alkermes Plc, decided by Federal Circuit on July 25, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's grant of summary judgment...
Federal Circuit Affirms Non-Infringement of Heart Valve Patent
Federal Circuit · 2025-07-18 · Defendant Win · Impact: 20/100
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-...
Federal Circuit Affirms Non-Infringement of Egenera's Patent by Cisco Nexus Switches
Federal Circuit · 2025-07-07 · Defendant Win · Impact: 25/100
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...
CAFC Affirms Non-Infringement of Ophthalmic Drug Patent
Federal Circuit · 2025-06-30 · Defendant Win · Impact: 25/100
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...
Federal Circuit Affirms Non-Infringement of Digital Audio Broadcasting Patent
Federal Circuit · 2025-06-09 · Defendant Win · Impact: 25/100
Fraunhofer-Gesellschaft v. Sirius Xm Radio Inc., decided by Federal Circuit on June 9, 2025, resulted in a defendant win outcome. The core dispute centered on whether Fraunhofer's patent for a digital...