Browse 25 patent law cases decided by Federal Circuit. AI-powered summaries, holdings, and legal analysis.
CAFC Affirms Patent Validity for Eli Lilly's Diabetes Drug
Teva Pharmaceuticals International Gmbh v. Eli Lilly and Company, decided by Federal Circuit on April 16, 2026, resulted in a defendant win outcome. The case concerns the validity of a patent held by ...
Federal Circuit Affirms PTAB Obviousness Finding
Definitive Holdings v. Powerteq, decided by Federal Circuit on April 14, 2026, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision tha...
Federal Circuit: Method using non-nucleic acid probe not patentable
Cash v. Collins, decided by Federal Circuit on February 5, 2026, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying nucleic acids using ...
Federal Circuit Affirms No Patent Infringement by Goodyear
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 ...
CAFC Affirms PTAB's Non-Obviousness Finding for Adnexus Patent
Adnexus Inc. v. Meta Platforms, Inc., decided by Federal Circuit on December 5, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decis...
Settlement Agreement Unenforceable Due to Lack of Mutual Assent
Colage v. Collins, decided by Federal Circuit on December 3, 2025, resulted in a defendant win outcome. The case concerns the enforceability of a settlement agreement in a patent infringement dispute....
CAFC Affirms PTAB Decision, Upholding Seagen's Cancer Drug Patent
Seagen Inc. v. Daiichi Sankyo Company, Ltd., decided by Federal Circuit on December 2, 2025, resulted in a defendant win outcome. The core dispute centered on whether Daiichi Sankyo's patent for a can...
Federal Circuit Affirms Non-Infringement of Gesture Interface Patent
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...
CAFC: Generic Drug Maker Did Not Induce Infringement of Method-of-Use Patent
Duke University v. Sandoz Inc., decided by Federal Circuit on November 18, 2025, resulted in a defendant win outcome. The case concerns the validity of a patent for a drug used to treat rheumatoid art...
Federal Circuit Affirms Non-Infringement of Smart Lighting Patent
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...
Federal Circuit Affirms PTAB Obviousness Finding for Motorola Patents
In Re MOTOROLA SOLUTIONS, INC., decided by Federal Circuit on November 6, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision th...
CAFC Affirms Obviousness-Type Double Patenting Invalidity of Merck MS Drug Patent
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 involved Merck's claim that Hopewell infringe...
CAFC Affirms ITC Decision on Brita Water Filter Patent Infringement
Brita Lp v. Itc, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. The case concerns whether the International Trade Commission (ITC) correctly determined that Brita...
Federal Circuit Affirms Non-Infringement of Semiconductor Manufacturing Patent
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 PTAB's Finding of Non-Patent-Eligible Claims
Causam Enterprises, Inc. v. Ecobee Technologies Ulc, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board...
Federal Circuit Affirms Obviousness Finding, Invalidating Patent
Causam Enterprises, Inc. v. Itc, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. Causam Enterprises sued ITC for patent infringement, alleging that ITC's products ...
CAFC Affirms PTAB's "On Sale" Bar Finding for Patent Invalidity
US Inventor, Inc. v. PTO, decided by Federal Circuit on October 3, 2025, resulted in a defendant win outcome. The case concerns whether the Patent Trial and Appeal Board (PTAB) correctly applied the "...
CAFC Affirms Patent Invalidity for Obviousness, Remands Non-Infringement
Focus Products Group International, LLC v. Kartri Sales Co., Inc., decided by Federal Circuit on September 30, 2025, resulted in a mixed outcome. The case concerns a dispute over the validity and infr...
CAFC Affirms Patent Validity: Disclosure Alone Doesn't Trigger 'On Sale' Bar
Apex Bank v. Cc Serve Corp., decided by Federal Circuit on September 25, 2025, resulted in a plaintiff win outcome. The core dispute centered on whether Cc Serve Corp. could claim patent invalidity ba...
Federal Circuit Affirms PTAB's Obviousness Finding for Patent Claims
In Re BRUNETTI, decided by Federal Circuit on August 26, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that claims of Brun...
CAFC Affirms Correction of Patent Inventorship
Laboratory Corporation of America Holdings v. Qiagen Sciences, LLC, decided by Federal Circuit on August 13, 2025, resulted in a defendant win outcome. The case concerns a dispute over the inventorshi...
Federal Circuit Affirms Non-Infringement of Taction's Patent Claims
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
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...
FMC Wins Trademark Infringement Case Against Sharda USA
Fmc Corporation v. Sharda USA, LLC, decided by Federal Circuit on August 1, 2025, resulted in a plaintiff win outcome. The core dispute centered on whether FMC Corporation's "FMC" trademark was infrin...
Federal Circuit Affirms Patent Infringement Finding and Denies New Trial
Jiaxing Super Lighting Electric Appliance, Co. v. Ch Lighting Technology Co., Ltd., decided by Federal Circuit on July 28, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the d...
CaseLawBrief currently tracks 25 patent law cases from Federal Circuit. This number is updated as new opinions are published.
Outcome breakdown: Defendant Win: 22, Mixed: 1, Plaintiff Win: 2.
Each case page on CaseLawBrief includes an AI-generated plain English summary, key holdings, and legal analysis. Click any case above to read its full analysis.