VDPP LLC Files Patent Lawsuit Against Alpinion USA Over Advanced 3D Filter Spectacle Technology
Ramey LLP has filed a patent infringement lawsuit on behalf of its client, VDPP, LLC, against ALPINION USA, INC. The lawsuit, filed on July 15, 2025, in the U.S. District Court for the Western District of Washington, involves the infringement of two patents: U.S. Patent No. 9,699,444 – “Fast...


