Federal Circuit

Causam Enterprises power management patent affirmed invalid by Federal Circuit

On September 5, 2025, the Federal Circuit affirmed the PTAB’s final decision, in a summary Rule 36 affirmance, confirming that the challenged claims (1-3, 5, 6, 8, 9, 11, 13-15, and 17) of U.S. Patent 10,396,592 were unpatentable. The ‘592 patent is owned by Causam Enterprises, Inc., an NPE. The ’592 patent relates to active load management systems and has been asserted in district court and the ITC against Ecobee, Resideo, Alarm.com, Xylem, and Itron.

View district court litigations by Causam Enterprises. To read the petition and view the case record, see Unified’s Portal. Unified was represented by in-house counsel, Jordan Rossen, and Michelle Aspen. Laura Vu at Haynes and Boone handled the Federal Circuit argument.

Unified files amicus in support of Motorola's mandamus petition in Fed. Cir.

On June 27, 2025, Unified filed an amicus in support of Motorola's mandamus petition challenging the Office's retroactive application of new rules related to discretionary denial. The brief urged the court to review the Office's use of ad hoc decisions to set its discretionary denial framework in lieu of formal rulemaking and its inconsistent application of its rules to similar facts.

Unified Patents is represented by in-house counsel, Michelle Aspen and Jonathan Stroud. Download the amicus brief below.

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.

Gesture Tech sensor patent invalidity confirmed by Fed. Circuit

On March 4, 2025, the Federal Circuit affirmed in a non-precedential opinion the Board’s final written decision invalidating claims of U.S. Patent 7,933,431. Owned by Gesture Technology Partners, LLC, the ‘431 patent is generally related to using human motion as an input device for computers and mobile devices. It had been asserted against Huawei, Samsung, Apple, Lenovo, and LG.

View district court litigations by Gesture Technology Partners. To read the petition and view the case record, visit Unified’s Portal. Unified was represented by Debbie McComas and Angela Oliver of Haynes and Boone, LLP and by in-house counsel, Alyssa Holtslander and Roshan Mansinghani, in this proceeding.

IP Bridge HEVC/AV1 patent invalidity confirmed by Fed. Circuit

On December 3, 2024, the United States Court of Appeals for the Federal Circuit summarily affirmed the PTAB’s ruling that all challenged claims of U.S. Patent 7,515,635 are unpatentable under Rule 36. The patent is owned by Godo Kaisha IP Bridge. The patent was claimed to be essential as part of the Access Advance patent pool, as well as SISVEL’s VP9 and AV1 patent pools.

Unified was represented by Theodoros Konstantakopoulos of Desmarais LLP and in-house counsel, Roshan Mansinghani and Jessica L.A. Marks, in this proceeding.

To view any documents of the reexamination proceedings, visit Unified’s portal: https://portal.unifiedpatents.com/exparte/90014645