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Unified News, Views, & Blogs
The Japan Intellectual Property High Court has affirmed the revocations of two patents, JP6768017 and JP6768110, owned by Xylene. The two patents are related to patents purportedly essential to HEVC Advance patent pool and SISVEL’s VP9 and AV1 patent pools.
Unified was represented by Ace-ai IP Law Firm in Japan, and by in-house counsel, Jessica L.A. Marks.
On July 3, 2025, the EPO's appellate board confirmed the decision to revoke EP 3151566. The EP ‘566 patent is owned by GE Video Compression, LLC. The EP ’566 patent is part of a family purportedly essential to HEVC and part of the Access Advance patent pool. This filing is a part of Unified’s ongoing efforts in its SEP Video Codec Zone.
Unified was represented by Dr. Andrew McGettrick and Dr. Susan Keston of HGF Law, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.
On May 9, 2025, the EPO's appellate board confirmed the decision to revoke EP 2627085. The EP ‘085 patent was owned by the Electronics and Telecommunications Research Institute (ETRI) and Korea Advanced Institute of Science and Technology (KAIST). The patent was related to patents that are designated essential to the Access Advance patent pool as well as SISVEL’s AV1 patent pool.
Unified was represented by Dr. Andrew McGettrick and Dr. Susan Keston at HGF Law, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.
On January 31, 2025, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 10,904,539, owned by Ideahub Inc., an NPE. The ‘539 patent relates to video coding techniques that apply linear method (LM) prediction modes and particularly to the prediction of a chroma pixel value using a LM chroma mode or a low-pass-filtered LM chroma mode. It has been designated as essential to the VVC standard in the Access Advance’s VVC patent pool.
Unified is represented by Dagim Tilahun and Jon Bowser of Haynes and Boone, and by in-house counsel, Jessica L.A. Marks and Michelle Aspen, in this proceeding.
On July 31, 2024, the Beijing Intellectual Property Court (BIPC) confirmed that all claims of Chinese patent CN102256122 were invalid. The CN’122 patent is owned by Dolby International. The claims were initially found invalid by the China National Intellectual Property Administration, but Dolby appealed to the BIPC. CN102256122 was purportedly essential or related to patents purportedly essential to the Access Advance patent pool and SISVEL’s AV1 and VP9 pools.
Unified was represented by Weichixue Law Firm for the appeal, and the case was managed by in-house counsel, Jessica L.A. Marks.
