NEWS & VIEWS
Unified News, Views, & Blogs
On September 22, 2025, Unified filed an amicus brief challenging in support of a separation of powers mandamus question presented by SanDisk and Western Digital to the Federal Circuit. This brief raises questions of the statutory authority of discretionary denials.
Unified Patents is represented by in-house counsel, Michelle Aspen and Jonathan Stroud. Download the amicus brief below.
On July 7, 2025, the EPO Board of Appeals confirmed the decision to revoke all claims of EP 3675491, owned by Dolby International AB. EP ‘491 generally relates to video coding techniques that use data hiding to decrease bandwidth. The patent is related to patents that are designated essential to the Access Advance patent pool and has also been identified as potentially essential to the Versatile Video Coding (VVC) standard.
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 July 7, 2025, the EPO Board of Appeals confirmed the decision to revoke all claims of EP 3694209 B1, 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 Dr. Andrew McGettrick and Dr. Susan Keston at HGF Law, and by in-house counsel, Jessica L.A. Marks and Roshan Mansinghani.
On September 23, 2025, Unified filed an ex parte reexamination proceeding against U.S. Patent 10,305,638, owned and asserted by Wilus Institute of Standards & Technology, Inc., an entity of Good Day to Invent, Inc. The claims of the '638 patent are directed to access points configured to transmit a trigger frame with a particular structure to one or more stations to coordinate a multi-user uplink transmission from the station(s). The '638 patent has been asserted by Wilus against Askey, and it is related to patents that have been asserted against Samsung and HP Inc.
View district court litigations by Wilus. Unified is represented by Alexander Stein at Morgan Lewis, and by in-house counsel, Jessica L.A. Marks and Michelle Aspen, in this proceeding.
Unified is pleased to announce PATROLL crowdsourcing contest winners, Jake Winter, Tanya Chauhan, and Vivek Yadav, who split an award of $2,000 for their prior art submissions on U.S. Patent 9,450,956, owned and asserted by Proxense LLC, an NPE. The ‘956 patent details a secure authentication system comprising a Personal Digital Key (PDK), a Reader, and associated methods and devices to authorize individuals for data access or application use, based on biometric and profile authentication. It had been asserted against Hyundai.
We would also like to thank the dozens of other high-quality submissions that were made on this patent. The ongoing contests are open to anyone, and include tens of thousands of dollars in rewards available for helping the industry to challenge NPE patents of questionable validity by finding and submitting prior art in the contests. Visit PATROLL today to learn more about how to participate.
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