Comprehensive guide to Patent Law cases, courts, and legal analysis.
Key Cases in Patent Law
cafc · 2026-04-16 · 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 held by ...
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...
texapp · 2026-04-10 · Impact: 15/100
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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...
cafc · 2026-02-17 · 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...
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 ...
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 ...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
cafc · 2025-09-30 · Impact: 60/100
Focus Products Group International, LLC v. Kartri Sales Co., Inc., decided by Federal Circuit on September 30, 2025, resulted in a mixed outcome. The case concerns a dispute over the validity and infr...