Explore 30 court opinions on Patent Infringement. AI-powered plain English summaries, key holdings, and legal analysis.
30 recent cases analyzed in this topic area.
Federal Circuit Affirms Patent Infringement, Reverses Damages Award
Vlsi Technology LLC v. Intel Corporation, decided by Federal Circuit on April 14, 2026, resulted in a mixed outcome. VLSI Technology LLC sued Intel Corporation for patent infringement, alleging that I...
Patent invalidity and no trade secret misappropriation affirmed
Practical Technology, Inc. v. Neurological Fitness Equipment and Education, LLC, decided by Texas Court of Appeals on April 10, 2026, resulted in a defendant win outcome. This case concerns a dispute ...
Appellate court affirms patent infringement ruling and royalty award
Radial Power Asset, LLC v. UNIRAC,Inc, decided by Texas Court of Appeals on April 9, 2026, resulted in a plaintiff win outcome. The dispute centered on whether Radial Power Asset, LLC (Radial) owed UN...
Federal Circuit Affirms No Patent Infringement Under Doctrine of Equivalents
This case involves a dispute over a patent for a "method and apparatus for detecting and measuring the concentration of analytes in a fluid sample." The inventor, Dr. Kendall, sued Collins, alleging t...
Federal Circuit Finds No Patent Infringement Under Doctrine of Equivalents
This case involves a dispute over a patent for a "method and apparatus for detecting and characterizing subsurface anomalies." The inventor, Mr. MacKey, sued Collins, alleging that Collins infringed o...
Appeals Court Affirms Non-Infringement Ruling in Patent Dispute Over Dwarfism Drug
This case involves a patent dispute between Ascendis Pharma A/S and Biomarin Pharmaceutical Inc. regarding a drug used to treat achondroplasia, a form of dwarfism. Ascendis sued Biomarin, alleging tha...
Appellate Court Affirms Summary Judgment for Defendant in Patent Infringement Case
Crafted Audio, LLC v. Clair Global Integration, LLC, decided by Florida District Court of Appeal on March 20, 2026, resulted in a defendant win outcome. The core dispute involved whether Crafted Audio...
CAFC Affirms in Part, Reverses in Part ITC Ruling Against Apple in Patent Infringement Case, Remands for Further Proceedings
This case involved Apple Inc. appealing a decision by the International Trade Commission (ITC) regarding certain patents. The ITC had previously found that Apple infringed on some patents related to e...
Appeals Court Reverses Patent Infringement Ruling, Finding Gen Digital Did Not Infringe Columbia University's Patents
This case involved a dispute between the Trustees of Columbia University and Gen Digital Inc. (formerly Symantec Corporation) regarding patent infringement. Columbia University sued Gen Digital, alleg...
Appeals Court Vacates Patent Infringement Ruling Against Sonos, Citing Incorrect Patent Term Interpretation
This case involves a patent dispute between Implicit, LLC and Sonos, Inc. Implicit sued Sonos for infringing two of its patents related to audio technology. The district court initially ruled in favor...
Federal Circuit Affirms Microsoft's Non-Infringement of Exafer's Patents in Xbox Case
This case involved Exafer Ltd. suing Microsoft Corporation for patent infringement related to technology used in Microsoft's Xbox gaming consoles. Exafer alleged that Microsoft infringed on its patent...
Appeals Court Affirms Non-Infringement but Reverses Obviousness Ruling for Blood Diversion Patent
This case involves a patent dispute between Magnolia Medical Technologies, Inc. (Magnolia) and Kurin, Inc. (Kurin) concerning devices designed to divert initial blood flow during venipuncture to preve...
Appeals Court Affirms Non-Infringement but Reverses Patent Invalidity Finding in Tubing Dispute
This case involves a patent dispute between Global Tubing LLC and Tenaris Coiled Tubes LLC concerning technology used in coiled tubing, specifically related to methods for manufacturing and inspecting...
Federal Circuit Affirms No Patent Infringement in Gene Therapy Dispute
This case involves a dispute between two biotechnology companies, Regenxbio Inc. and Sarepta Therapeutics, Inc., over patent rights related to gene therapy. Regenxbio sued Sarepta, alleging that Sarep...
Federal Circuit Affirms No Patent Infringement by Sony PlayStation 3's 'OtherOS' Feature
Genuine Enabling Technology LLC (GET) sued Sony Group Corporation for patent infringement. GET alleged that Sony's PlayStation 3 (PS3) video game console infringed on its patent for a "media-based dat...
CAFC Affirms Finding of Non-Infringement in Electrical Connector Patent Case
This case involves a dispute over a patent for an electrical connector. Willis Electric Co. (Willis) sued Polygroup Ltd. (Polygroup) for infringing on their patent. The lower court found that Polygrou...
Sixth Circuit Affirms Summary Judgment in Patent Case Over "Substantially Flat" Surface
Eaton Corp. v. Angstrom Auto. Group, LLC, decided by Sixth Circuit on February 13, 2026, resulted in a defendant win outcome. The Sixth Circuit affirmed the district court's grant of summary judgment ...
Apple did not breach smart ring patent license agreement, CAFC rules
This case involves a dispute over a patent for a "smart ring" that can be used for payments and other functions. The inventor, Mr. Squires, had licensed the patent to Apple. Later, Apple terminated th...
Netflix did not infringe on Divx's patents, court rules
This case involves a dispute over patent infringement between Netflix and Divx. Netflix had licensed certain patents from Divx, which were related to video compression technology. Netflix later develo...
Fifth Circuit Affirms Summary Judgment in Patent Infringement Case
Pharm Research and Mfr v. Murrill, decided by Fifth Circuit on February 9, 2026, resulted in a defendant win outcome. The Fifth Circuit affirmed the district court's grant of summary judgment to the d...
Federal Circuit Affirms Non-Infringement of Therapeutic Device Patent
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...
Federal Circuit Affirms No Patent Infringement for Unapproved Drug Method
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...
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 Non-Infringement of 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 centered on whether Merck Serono's patent for...
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...
Federal Circuit Affirms Non-Infringement of Lens Manufacturing Patent
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 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 ...
Federal Circuit Affirms ITC's Negative Dumping Determination for Gujarat Fluorochemicals
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...
Inventor barred by assignor estoppel from suing assignee for patent infringement
Jeffrey Thelen v. Somatics, LLC, decided by Eleventh Circuit on September 29, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's grant of summary judgment to...
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...