Browse 4 inter partes review ipr cases decided by Federal Circuit. AI-powered summaries, holdings, and legal analysis.
CAFC: Patent infringement suit not barred by prior IPR filings
Micron Technology Inc. v. Longhorn Ip LLC, decided by Federal Circuit on December 18, 2025, resulted in a defendant win outcome. The core dispute centered on whether Micron Technology Inc. (Micron) co...
Federal Circuit Affirms PTAB IPR Institution Decision
In Re FOREST, decided by Federal Circuit on April 3, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision to institute an inter p...
Federal Circuit Affirms Biosimilar Infringement Finding Against Mylan
Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc., decided by Federal Circuit on March 14, 2025, resulted in a plaintiff win outcome. The core dispute centered on whether Mylan's proposed ...
Federal Circuit Affirms PTAB's Non-Obviousness Finding for Xencor Patent
In Re XENCOR, INC., decided by Federal Circuit on March 13, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that claims of X...
CaseLawBrief currently tracks 4 inter partes review ipr cases from Federal Circuit. This number is updated as new opinions are published.
Outcome breakdown: Defendant Win: 3, Plaintiff Win: 1.
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.