Explore 25 court opinions on Patent Claim Construction. AI-powered plain English summaries, key holdings, and legal analysis.
25 recent cases analyzed in this topic area.
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...
Ninth Circuit: Garbage Disposal Patent Not Infringed Under Doctrine of Equivalents
Insinkerator, LLC v. Joneca Company, LLC, decided by Ninth Circuit on December 29, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's grant of summary judgment ...
CAFC Affirms Zillow's Non-Infringement of IBM Patent
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...
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...
Federal Circuit Invalidates Patent for Lack of Machine Specificity
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...
CAFC Affirms Non-Infringement Finding in Patent Dispute
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 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 PTAB's Rejection of ctDNA Patent Claims Under § 101
Wright v. Collins, decided by Federal Circuit on October 28, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying circulating tumor ...
Federal Circuit Affirms Non-Infringement of Aortic Valve Patent
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
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 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 Patent Invalidity for Erectile Dysfunction Drug
Bayer Pharma Aktiengesellschaft v. Mylan Pharmaceuticals Inc., decided by Federal Circuit on September 23, 2025, resulted in a defendant win outcome. The core dispute involved the validity of a patent...
Fifth Circuit Affirms Obviousness Finding, Invalidating Patent
AbbVie v. Fitch, decided by Fifth Circuit on September 16, 2025, resulted in a defendant win outcome. The Fifth Circuit affirmed the district court's grant of summary judgment to Fitch, holding that A...
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 PTAB Obviousness Finding in Semiconductor Patent Case
Fisher v. United States, decided by Federal Circuit on August 12, 2025, resulted in a defendant win outcome. The case concerns whether the Patent Trial and Appeal Board (PTAB) correctly applied the "o...
CAFC Affirms Non-Infringement of Display Device Patent
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...
Sixth Circuit: Polymer Chain Linearity Key to Patent Non-Infringement
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...
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...
Federal Circuit Affirms PTAB's Non-Obviousness Finding for IGT Patents
Igt v. Zynga Inc., decided by Federal Circuit on July 22, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that claims of IGT...
Federal Circuit Affirms Non-Infringement of Heart Valve Patent
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-...
CAFC Affirms Obviousness Rejection of Semiconductor Manufacturing Patent
Deal v. Collins, decided by Federal Circuit on June 27, 2025, resulted in a defendant win outcome. The case concerns whether a patent claim for a "method of manufacturing a semiconductor device" was p...
Federal Circuit Affirms Non-Infringement of Digital Audio Broadcasting Patent
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...
CAFC Affirms Biosimilar Infringement Finding for Ruxolitinib Patents
Incyte Corporation v. Sun Pharmaceutical Industries, Ltd., decided by Federal Circuit on May 7, 2025, resulted in a plaintiff win outcome. The core dispute centered on whether Sun Pharma's proposed bi...
CAFC Affirms Non-Infringement of Point-of-Sale Terminal Patent
Ingenico Inc. v. Ioengine, LLC, decided by Federal Circuit on May 7, 2025, resulted in a defendant win outcome. The core dispute centered on whether Ioengine's "smart card" technology infringed Ingeni...
7th Cir. Affirms Summary Judgment in Patent Infringement Case
Republic Technologies, decided by Seventh Circuit on April 28, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's grant of summary judgment to the defendant, ...