Comprehensive guide to Prior Art Analysis In Patent Law cases, courts, and legal analysis.
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...
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...
Bobrick Washroom Equipment Inc v. Scranton Products Inc, decided by Third Circuit on September 26, 2025, resulted in a defendant win outcome. The Third Circuit affirmed the district court's grant of s...
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...
In Re BRUNETTI, decided by Federal Circuit on August 26, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that claims of Brun...
Fisher v. United States, decided by Federal Circuit on August 12, 2025, resulted in a defendant win outcome. The case concerns whether the Patent Trial and Appeal Board (PTAB) correctly applied the "o...
Deal v. Collins, decided by Federal Circuit on June 27, 2025, resulted in a defendant win outcome. The case concerns whether a patent claim for a "method of manufacturing a semiconductor device" was p...
Sage Products, LLC v. Stewart, decided by Federal Circuit on April 15, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that ...
Cqv Co., Ltd. v. Merck Patent Gmbh, decided by Federal Circuit on March 10, 2025, resulted in a defendant win outcome. The core dispute centered on whether Merck's patent for a "method of treating" a ...
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