Browse 6 prosecution history estoppel cases decided by Federal Circuit. AI-powered summaries, holdings, and legal analysis.
Federal Circuit Affirms Non-Infringement of Catalyst Patent
Ingevity Corporation v. Basf Corporation, decided by Federal Circuit on February 11, 2026, resulted in a defendant win outcome. The core dispute centered on whether BASF's patent for a catalyst used i...
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...
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 Denies Standing for Patent Infringement Claim
Future Link Systems, LLC v. Realtek Semiconductor Corporation, decided by Federal Circuit on September 9, 2025, resulted in a defendant win outcome. The case concerns whether Future Link Systems (FLS)...
CAFC Affirms Non-Infringement of Fueling System Patent
Magema Technology LLC v. Phillips 66, decided by Federal Circuit on September 8, 2025, resulted in a defendant win outcome. Magema Technology LLC sued Phillips 66 for patent infringement, alleging tha...
Federal Circuit Affirms Non-Infringement of Gesture Technology Partners' Patent
Apple Inc. v. Gesture Technology Partners, LLC, decided by Federal Circuit on March 4, 2025, resulted in a defendant win outcome. The case concerns whether Apple Inc. infringed on Gesture Technology P...
CaseLawBrief currently tracks 6 prosecution history estoppel cases from Federal Circuit. This number is updated as new opinions are published.
Outcome breakdown: Defendant Win: 6.
Each case page on CaseLawBrief includes an AI-generated plain English summary, key holdings, and legal analysis. Click any case above to read its full analysis.