On July 22, 2025, the Court of Appeals for the Federal Circuit concluded that the Patent Trial and Appeal Board’s (the “PTAB”) decision not to apply interference estoppel and, therefore, to institute ...

On November 9, 2018, the Federal Circuit issued an opinion in Arista Networks, Inc. v. Cisco Systems, Inc., an appeal from the Patent Trial and Appeal Board’s Final Written Decision in an inter partes ...

The Federal Circuit has denied three mandamus petitions asking the court to step in and curb the recently-implemented ...

The Federal Circuit has yet to weigh in on the scope of estoppel under § 315, with conflicting decisions on prior art products and systems in IPR, say Kelly Del Dotto, Casey Kraning and Hui-Kwon Yang ...

In contemporary patent disputes after the passage of the America Invents Act, it is common for the same patent to be at issue in district-court litigation and in inter partes review (IPR) proceedings ...

Sharath Ananthamurthy, Vice-Chancellor (V-C) of Kuvempu University, has expressed concerns that the application of Intellectual Property Rights (IPR) to objects and ideas might go against the basic ...

The Federal Circuit recently reversed a Patent Trial and Appeal Board (“Board”) inter partes review decision on nonobviousness, holding that the Board erred when it did not require Synvina, the patent ...