PTAB

GEVC video codec patent revocation confirmed by EPO appeal

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.

Fortress entity DivX video codec patent affirmed invalid by Federal Circuit

On June 24, 2025, the Federal Circuit affirmed the Patent Office's final decision, in a summary Rule 36 affirmance, confirming that the challenged claims 1 and 10 of U.S. Patent 10,326,987 were unpatentable. Owned by DivX, LLC, an affiliate of Fortress Investment Group, this filing was a part of Unified's ongoing efforts in its SEP Video Codec Zone. The '987 patent was asserted against Hulu and is directed to encoding alternative streams of video for use in adaptive bitrate streaming.

View district court litigations by DivX. To read the petition and review the case record, view IPR2021-01476 on Unified’s Portal. Unified was represented by Angela Oliver, Adam Erickson, Debbi McComas, and David McCombs of Haynes and Boone, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.

KAIST/ETRI HEVC/AV1 patent revocation confirmed by EPO appeal

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.

Former Velos EP video codec patent held invalid after appeal at EPO

On March 27, 2025, the amended and narrowed claims of EP 2 347 592 B1, formerly owned by Velos Media, LLC and now owned by Qualcomm, were held unpatentable by the Board of Appeals. EP’592 was part of the Velos portfolio before it was reassigned to Qualcomm. This filing is a part of Unified's ongoing efforts in its SEP Video Codec Zone.

Unified was represented at the opposition hearing by Dr. Susan Keston and Dr. Andrew McGettrick of HGF. In-house support was provided by Jessica L.A. Marks and Roshan Mansinghani.

Voice Tech open source patent affirmed invalid by Federal Circuit

On August 1, 2024, the Federal Circuit affirmed the Patent Office's final decision confirming that all claims (1-8) of U.S. Patent 10,491,679 were unpatentable. Owned and asserted by Voice Tech Corp, the ’679 patent relates to voice-activated computing. The patent was asserted against Linux-based technology from Mycroft AI for using open source, voice-related features. This invalid patent has been blamed for the closure of Mycroft AI.

View district court litigation by Voice Tech Corp. To read the petition and view the case record, see Unified's Portal. Unified was represented by in-house counsel, Jordan Rossen, Roshan Mansinghani, and Michelle Aspen, in this proceeding. Adam Erickson from Haynes and Boone handled the argument on appeal.