Explore 30 court opinions on Claim Construction. AI-powered plain English summaries, key holdings, and legal analysis.
30 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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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 ...
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...
First Circuit Upholds Employer's No-Solicitation Policy Against Union Organizers
Riverdale Mills Corporation v. Chavez-DeRemer, decided by First Circuit on November 20, 2025, resulted in a defendant win outcome. The First Circuit affirmed the district court's grant of summary judg...
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...
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...
Ninth Circuit Invalidates Software Patent as Abstract Idea
Supertech, Inc. v. My Choice Software, LLC, decided by Ninth Circuit on October 23, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's grant of summary judgment...
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 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 ...
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...
Federal Circuit Affirms Non-Infringement of Display Device Patent
Focus Products Group International, LLC v. Kartri Sales Co., Inc., decided by Federal Circuit on September 30, 2025, resulted in a defendant win outcome. The core dispute centered on whether Focus Pro...