Comprehensive guide to Prosecution History Estoppel cases, courts, and legal analysis.
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...
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...
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...
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)...
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...
C-Ville Fabricating, Inc. v. Joshua Tarter, decided by Sixth Circuit on August 20, 2025, resulted in a defendant win outcome. The Sixth Circuit affirmed the district court's grant of summary judgment ...
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...
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