Who Bears the Burden of Proof for IPR Estoppel?
Written by : Nathan D. Reeves & Amanda K. Taylor IRONBURG INVENTIONS LTD. v. VALVE CORP. Before Lourie, Clevenger, and Stark . Appeal from the United States District Court for the Western District of Washington. Summary : The patentee has the burden of…
April 4, 2023PTAB2 min read