Arian Joseph Koochesfahani

Arian Joseph Koochesfahani is an Associate at Quinn Emanuel Urquhart & Sullivan, LLP, based in their Los Angeles office, having joined the firm in 2022. His practice focuses on complex legal issues across all stages of litigation. Within patent litigation, his tracked appearances primarily indicate a focus on defending operating companies, with four recorded appearances on the defendant side and none on the plaintiff side. He has also appeared Pro Hac Vice in some matters and served as Lead Counsel in one of his tracked cases.

His patent litigation experience includes disputes involving software, decentralized exchange technology, and blockchain. Notably, Koochesfahani was part of the Quinn Emanuel team representing the plaintiffs, BProtocol Foundation and LocalCoin Ltd., in BProtocol Foundation et al. v. Universal Navigation Inc. et al., a patent infringement suit concerning smart contract technology used in decentralized exchanges. The case, filed in the U.S. District Court for the Southern District of New York, saw the patents-in-suit dismissed without prejudice under the Alice Corp. v. CLS Bank test for patent eligibility.

No specific information regarding Arian Joseph Koochesfahani's regular appearances in PTAB or IPR proceedings was found in the available public records.

Koochesfahani is admitted to the State Bar of California. He earned his J.D. with Honors from The University of Chicago Law School in 2021, and prior to joining Quinn Emanuel, he served as a Law Clerk for Judge Andrew Kleinfeld of the U.S. Court of Appeals for the Ninth Circuit.