Another Dolby HEVC EPO patent revoked

On February 29, 2024, the European Patent Office revoked all claims of EP 3694209 B1, currently owned by Dolby International AB. EP ‘209 generally relates to video coding techniques that use data hiding to decrease bandwidth. The patent is related to others that have been designated essential to the Access Advance (HEVC) pool. EP ’209 has also been identified as potentially essential to the Versatile Video Coding (VVC) standard. This filing is a part of Unified’s ongoing efforts in its SEP Video Codec Zone.

Unified was represented by Harry Hutchinson and Andrew McGettrick at HGF Law, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.

InterDigital AV1 patent held invalid after appeal in China

The Beijing Intellectual Property Court confirmed the invalidity of all challenged claims of CN101491099, owned by Interdigital. The CN’099 patent was previously deemed essential in the SISVEL’s VP9 and AV1 pools.

Unified was represented by Tao Chen, Yu Yan, and Peter Zhang of the Beijing Wei Chixue Law Firm, and the case was managed by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.

Ideahub (former ETRI) HEVC Patent Revoked in EPO

On November 22, 2023, the European Patent Office announced the revocation of all claims of EP 3402195. The EP ‘195 patent is currently owned by Ideahub Inc. but was previously owned by the Electronics and Telecommunications Research Institute (ETRI). The EP ‘195 patent involves improving the efficiency of encoding and decoding methods with particular reference to determining quantization parameters for encoding and decoding object blocks such that the quantization parameters are adaptively set according to prevailing or neighboring conditions. It is related to patents that have been declared essential to Access Advance and SISVEL’s AV1 patent pool.

Unified is represented by Harry Hutchinson and Owain Summers at HGF Law and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.

2023 Corporate IP Strategy Conference was a success!

The 2023 Corporate IP Strategy Conference (CIPSC) was attended by over 200 IP professionals, attorneys, and consultants with several presentations and discussions on the most thought-provoking IP issues of our current times. Find the presentations below over Brattle Groups recently concluded Wi-Fi 6 expert economic report, the meteoric rise of litigation finance and exotic insurance products, Portal updates, and slides regarding international patent strategy topics.

• Wi-Fi Economic Report

  • Presented by Craig Thompson & Samuel Baird

• The Rapid Rise of Patent Litigation Finance and Judgment Insurance

  • Presented by Jonathan Stroud

• New Tools for Patent Strategy

  • Presented by Shawn Ambwani

• Panel 3 - International Patent Strategy

  • Moderator: Dr. Andrew McGettrick Speakers: Dr. Jason Hannon, Ken Korea, Keith Newburry, & Samuel Baird

Our next event will be the 12th Annual Patent Administrative Law Conference (PALC) on Wednesday, April 24, 2024, in Washington, DC. We will have more information soon!

Dolby EP patent successfully challenged at the EPO

On September 14, 2023, all of the original claims of EP 3490258 B1, owned by Dolby International AB, were found unpatentable based on a challenge filed by Unified. EP ‘258 generally relates to video coding techniques that use data hiding to decrease bandwidth. This filing is a part of Unified’s ongoing efforts in its SEP Video Codec Zone.

Read the amended claims below. 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.