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Analysis of patent litigation, PTAB practice, prosecution and pharma IP, written on the data behind LexDana.

AllCopyright & Trade Secrets59Federal Circuit877ITC / Section 33788Patent Litigation216Patent Prosecution126Pharma & ANDA62PTAB686Supreme Court61Trademark158USPTO Policy78Unsorted257

Tagged interference estoppel · clear

PTAB

No Shenanigans: IPRs and Interference Estoppel

Written by : Jacob R. Rosenbaum and Alistair J. McIntyre IGT v. ZYNGA INC. Before Prost, Reyna, and Taranto . Appeal from the Patent Trial and Appeal Board (PTAB). Summary : Interference estoppel does not apply when the interference was terminated due to a…

August 14, 2025·PTAB·1 min read
Data: FDA Orange & Purple Books · prosecution & litigation metadata · read-only.