On April 22, 2021, Unified filed a petition for inter partes review (IPR) against U.S. Patent 9,781,448, owned by the Electronics and Telecommunications Research Institute (ETRI), as part of Unified's ongoing efforts in its SEP Video Codec Zone. The ‘448 patent is part of the HEVC Advance Patent Pool, as well as SISVEL's AV1 patent pool.

Unified is represented by Eric Buresh of Erise IP and by in-house counsel, Roshan Mansinghani and Jung Hahm, in this proceeding. Visit Unified’s Portal for more information about its Video Codec landscape (OPAL) and standard submission repository (OPEN). To read the petition and review the case record, view IPR2021-00827 on the Portal.