Patent Law

Comprehensive guide to Patent Law cases, courts, and legal analysis.

30 cases analyzed in this practice area

Key Cases in Patent Law

Definitive Holdings v. Powerteq

cafc · 2026-04-14 · 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...

Kendall v. Collins

cafc · 2026-03-31 · 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

cafc · 2026-03-30 · 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...

Apple Inc. v. Itc

cafc · 2026-03-19 · 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

cafc · 2026-03-11 · 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.

cafc · 2026-03-11 · 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...

Implicit, LLC v. Sonos, Inc.

cafc · 2026-03-09 · 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

cafc · 2026-03-06 · 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...

Janich v. Collins

cafc · 2026-03-05 · 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...

Regenxbio Inc. v. Sarepta Therapeutics, Inc.

cafc · 2026-02-20 · 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...

Cash v. Collins

cafc · 2026-02-05 · Impact: 60/100

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 ...

Coda Development S.R.O. v. Goodyear Tire & Rubber Company

cafc · 2025-12-08 · Impact: 25/100

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 ...

Adnexus Inc. v. Meta Platforms, Inc.

cafc · 2025-12-05 · Impact: 30/100

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...

Colage v. Collins

cafc · 2025-12-03 · Impact: 15/100

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....

Seagen Inc. v. Daiichi Sankyo Company, Ltd.

cafc · 2025-12-02 · Impact: 30/100

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...

In Re GESTURE TECHNOLOGY PARTNERS, LLC

cafc · 2025-12-01 · Impact: 25/100

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...

Duke University v. Sandoz Inc.

cafc · 2025-11-18 · Impact: 65/100

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...

Smartrend Manufacturing Group (Smg), Inc. v. Opti-Luxx Inc.

cafc · 2025-11-13 · Impact: 25/100

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...

In Re MOTOROLA SOLUTIONS, INC.

cafc · 2025-11-06 · Impact: 30/100

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...

Merck Serono S.A. v. Hopewell Pharma Ventures, Inc.

cafc · 2025-10-30 · Impact: 40/100

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...

Supertech, Inc. v. My Choice Software, LLC

ca9 · 2025-10-23 · Impact: 65/100

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...

Brita Lp v. Itc

cafc · 2025-10-15 · Impact: 15/100

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...

Iqe Plc v. Newport Fab, LLC

cafc · 2025-10-15 · Impact: 25/100

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...

Causam Enterprises, Inc. v. Ecobee Technologies Ulc

cafc · 2025-10-15 · Impact: 20/100

Causam Enterprises, Inc. v. Ecobee Technologies Ulc, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. Causam Enterprises sued Ecobee for patent infringement, allegi...

Causam Enterprises, Inc. v. Itc

cafc · 2025-10-15

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 ...

US Inventor, Inc. v. PTO

cafc · 2025-10-03 · Impact: 30/100

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 determined th...

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AI-generated summary for informational purposes only. Not legal advice. May contain errors. Consult a licensed attorney for legal advice.