On June 19, 2018, The United States Court of Appeals for the Federal Circuit summarily affirmed the Patent Trial and Appeal Board's ruling in Unified Patents Inc. v. American Vehicular Sciences, LLC IPR2016-00364 that all challenged claims of US Patent 9,043,093, are unpatentable, effectively ending the assertion of those claims against multiple parties.
Owned and asserted by American Vehicular Sciences, LLC, a subsidiary of Acacia Research Corporation, the '093 patent related to a single side curtain airbag for vehicles and has been asserted in multiple district courts against automotive manufacturers and equipment suppliers including Honda, Nissan, Toyota and Hyundai. The infringement case is currently stayed in the Eastern District of Michigan.
See American Vehicular Sciences, LLC v. Unified Patents Inc., No. 2017-2307 (Fed. Cir. June 29, 2018) (Rule 36 Affirmance)