Federal Circuit Denies Mandamus in Three IPR Institution Challenges: Deference to PTAB Discretion
Nov. 6, 2025 In three nonprecedential orders issued today, the U.S. Court of Appeals for the Federal Circuit denied mandamus relief for petitioners challenging the Patent Trial and Appeal Board’s (PTAB) discretionary denials of inter partes review (IPR) petitions. These decisions—arising from parallel district court litigation and the recent rescission of interim guidance on IPR […]