ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,523, issued on July 7, was assigned to DIVX LLC (San Diego).

"Chunk header incorporating binary flags and correlated variable-length fields" was invented by Kourosh Soroushian (San Diego), Shaiwal Priyadarshi (San Diego), Jason Braness (San Diego), Roland Osborne (San Francisco), William Frantz (San Diego), Jerome Vashisht-Rota (San Diego), Daniel Salmonsen (Carlsbad, Calif.), John Funnell (Chandlers Ford, Great Britain) and Michael Floyd (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Playback and distribution systems and methods for multimedia files are provided. The multimedia files are encoded with flags associated with the content data...