Ninth Circuit Rejects Boeing’s Bid to Rehear Appeal of Trade Secret Loss

The U.S. Court of Appeals for the Ninth Circuit yesterday rejected Boeing’s bid to revisit its August 2025 ruling in favor of electric-aircraft startup Zunum Aero, holding that Boeing’s patent-inventorship counterclaims did not strip the Ninth Circuit of jurisdiction over the trade secret dispute. The Ninth Circuit panel denied Boeing’s petition for panel rehearing after concluding that its patent counterclaims were “permissive” rather than “compulsory”, and therefore not subject to the exclusiv