Federal Circuit

Browse recent court opinions from the Federal Circuit. AI-powered plain English summaries, key holdings, and legal analysis of 30 cases. Federal Appellate Court.

Federal Appellate Court Jurisdiction: Federal 30 Recent Cases

Outcome Breakdown

18
Defendant Win
4
Mixed
2
Remanded
1
Other

Top Legal Topics

patent-infringement (12)patent-law (10)claim-construction (7)doctrine-of-equivalents (3)intellectual-property (3)appellate-review (3)obviousness (2)patent-validity (2)burden-of-proof (2)35 U.S.C. § 101 patent eligibility (1)

Cases by Year

2020202120222023202420252026

Recent Opinions (30)

International Medical Devices, Inc. v. Cornell

CAFC Affirms Patent Ineligibility of Medical Device Claims

2026-04-17 · Defendant Win · Impact: 65/100

International Medical Devices, Inc. v. Cornell, decided by Federal Circuit on April 17, 2026, resulted in a defendant win outcome. The case concerns the patentability of a medical device. The Federal ...

Teva Pharmaceuticals International Gmbh v. Eli Lilly and Company

CAFC Affirms Patent Validity for Eli Lilly's Antidepressant

2026-04-16 · Defendant Win · Impact: 30/100

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 for Eli ...

Life Science Logistics, LLC v. United States

Diagnostic kits not eligible for duty-free import, court rules

2026-04-15 · Defendant Win · Impact: 15/100

Life Science Logistics, LLC v. United States, decided by Federal Circuit on April 15, 2026, resulted in a defendant win outcome. The case concerns the classification of certain imported goods for cust...

Definitive Holdings v. Powerteq

Federal Circuit Affirms PTAB Obviousness Finding

2026-04-14 · Defendant Win · Impact: 20/100

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...

Vlsi Technology LLC v. Intel Corporation

Federal Circuit Affirms Patent Infringement, Reverses Damages Award

2026-04-14 · Mixed · Impact: 75/100

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...

Kendall v. Collins

Federal Circuit Affirms No Patent Infringement Under Doctrine of Equivalents

2026-03-31 · Defendant Win · Impact: 45/100

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...

MacKey v. Collins

Federal Circuit Finds No Patent Infringement Under Doctrine of Equivalents

2026-03-30 · Defendant Win · Impact: 45/100

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...

Ascendis Pharma A/S v. Biomarin Pharmaceutical Inc.

Appeals Court Affirms Non-Infringement Ruling in Patent Dispute Over Dwarfism Drug

2026-03-26 · Defendant Win · Impact: 65/100

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...

Nvlsp v. United States

Federal Circuit Hears Contract Dispute Between Nvslp and United States

2026-03-20 · Other · Impact: 20/100

This case, Nvslp v. United States, was heard by the Court of Appeals for the Federal Circuit (CAFC). The core issue revolved around a contract dispute where Nvslp, a contractor, alleged that the Unite...

Apple Inc. v. Itc

CAFC Affirms in Part, Reverses in Part ITC Ruling Against Apple in Patent Infringement Case, Remands for Further Proceedings

2026-03-19 · Mixed · Impact: 65/100

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...

Gramm v. Deere & Company

Federal Circuit Affirms Deere & Company Not Obligated to Commercialize Inventor's Patent Without Explicit Contractual Duty

2026-03-11 · Defendant Win · Impact: 65/100

This case involved a dispute between Dr. Gramm and Deere & Company regarding a patent for a combine harvester. Dr. Gramm, the inventor, had assigned his patent rights to Deere. The core of the dispute...

Trustees of Columbia University v. Gen Digital Inc.

Federal Circuit Reverses Patent Ineligibility Ruling, Revives Columbia University's Malware Detection Patent Lawsuit Against Gen Digital

2026-03-11 · Remanded · Impact: 75/100

This case involves a patent dispute between the Trustees of Columbia University and Gen Digital Inc. (formerly Symantec Corporation). Columbia University sued Gen Digital for infringing its U.S. Paten...

Trustees of Columbia University v. Gen Digital Inc.

Appeals Court Reverses Patent Infringement Ruling, Finding Gen Digital Did Not Infringe Columbia University's Patents

2026-03-11 · Defendant Win · Impact: 65/100

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...

Implicit, LLC v. Sonos, Inc.

Appeals Court Vacates Patent Infringement Ruling Against Sonos, Citing Incorrect Patent Term Interpretation

2026-03-09 · Remanded · Impact: 65/100

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...

Exafer Ltd v. Microsoft Corporation

Federal Circuit Affirms Microsoft's Non-Infringement of Exafer's Patents in Xbox Case

2026-03-06 · Defendant Win · Impact: 45/100

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...

Magnolia Medical Technologies, Inc. v. Kurin, Inc.

Appeals Court Affirms Non-Infringement but Reverses Obviousness Ruling for Blood Diversion Patent

2026-03-06 · Mixed · Impact: 65/100

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...

Wyoming Trust Co. v. United States

Wyoming Trust Co. Loses Appeal for Estate Tax Refund, Court Affirms Government's Asset Valuation

2026-03-06 · Defendant Win · Impact: 45/100

This case involves the Wyoming Trust Co. (WTC) and its dispute with the United States government over a tax refund. WTC, acting as a trustee for a trust, sought a refund for federal estate taxes paid ...

Janich v. Collins

Court Affirms Co-Inventorship of Firearm Patent, Denying Sole Inventorship Claim

2026-03-05 · Defendant Win · Impact: 45/100

This case, Janich v. Collins, involved a dispute over the ownership of a patent for a 'Quick-Change' barrel assembly for firearms. The plaintiff, Janich, claimed that he was the sole inventor and that...

Neal v. DVA

Federal Circuit Upholds DVA's Removal of Employee for Unacceptable Performance, Finding No Disability Accommodation Violation

2026-02-27 · Defendant Win · Impact: 45/100

This case involves Mr. Neal, a former employee of the Department of Veterans Affairs (DVA), who appealed the Merit Systems Protection Board's (Board) decision to uphold his removal from federal servic...

Global Tubing LLC v. Tenaris Coiled Tubes LLC

Appeals Court Affirms Non-Infringement but Reverses Patent Invalidity Finding in Tubing Dispute

2026-02-26 · Mixed · Impact: 45/100

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...

Performance Additives, LLC v. United States

Federal Circuit Upholds Customs Classification of Chemical Products, Denying Lower Tariff Rate

2026-02-24 · Defendant Win · Impact: 45/100

Performance Additives, LLC (Performance) challenged a decision by U.S. Customs and Border Protection (CBP) regarding the classification of certain chemical products. CBP classified these products as "...

Regenxbio Inc. v. Sarepta Therapeutics, Inc.

Federal Circuit Affirms No Patent Infringement in Gene Therapy Dispute

2026-02-20 · Defendant Win · Impact: 65/100

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...

Genuine Enabling Technology LLC v. Sony Group Corporation

Federal Circuit Affirms No Patent Infringement by Sony PlayStation 3's 'OtherOS' Feature

2026-02-19 · Defendant Win · Impact: 45/100

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...

Magnum Magnetics Corp. v. United States

Court Rules Government Did Not Breach Contract for Sale of Surplus Property

2026-02-17 · Defendant Win · Impact: 25/100

Magnum Magnetics Corporation sued the United States, claiming that the government had breached a contract. The contract involved the sale of surplus property. Magnum argued that the government failed ...

Willis Electric Co., Ltd. v. Polygroup Ltd. (Macao Commercial Offshore)

CAFC Affirms Finding of Non-Infringement in Electrical Connector Patent Case

2026-02-17 · Defendant Win · Impact: 35/100

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...

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