Comprehensive guide to Patent Trial And Appeal Board Ptab Review 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...
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 ...
In Re US, decided by Federal Circuit on February 2, 2026, resulted in a defendant win outcome. The case concerns the patentability of software, specifically the "data processing" method claimed in the...
Sound View Innovations, LLC v. Hulu, LLC, decided by Federal Circuit on January 29, 2026, resulted in a plaintiff win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) d...
Mutakaber v. Secretary of State, decided by Federal Circuit on December 18, 2025, resulted in a defendant win outcome. The case concerns the validity of a patent for a "method and apparatus for detect...
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...
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 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...
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...
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...
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...
In Re VETEMENTS GROUP AG, decided by Federal Circuit on May 21, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that claims ...
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 ...
Lesko v. United States, decided by Federal Circuit on March 18, 2025, resulted in a defendant win outcome. The case concerns the interpretation of the "substantial evidence" standard of review applied...
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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