Explore 5 court opinions on Inter Partes Review Ipr . AI-powered plain English summaries, key holdings, and legal analysis.
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CAFC: PTAB Final Decision Bars Relitigation of Patent Validity
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. could pursu...
PTAB's claim construction interpretation affirmed under Chevron deference
Pauline Newman v. Kimberly Moore, decided by D.C. Circuit on August 22, 2025, resulted in a defendant win outcome. The core dispute centered on whether the Patent Trial and Appeal Board (PTAB) correct...
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...