Acacia entity, Stingray IP, Wi-Fi patent found invalid

On February 5, 2026, the Central Reexamination Unit (CRU) issued an Advisory Action in the reexamination filing of U.S. Patent 7,224,678, owned and asserted by Stingray IP Solutions, an NPE and entity of Acacia Research Corporation. The Examiner maintained the rejections of all challenged claims of the ‘678 patent. The ‘678 patent relates to detecting an intrusion in a network system. It was asserted against Leedarson IoT, Schlage Lock, Hewlett Packard Enterprise, Vivint, and Allegion.

View district court litigations by Stingray IP. Unified was represented by in-house counsel, Alyssa Holtslander and Roshan Mansinghani, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019718

Polaris PowerLED power management patent found invalid

On February 2, 2026, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate cancelling challenged claims 18-21 of U.S. Patent 8,181,042, owned by Polaris PowerLED Technologies, LLC, an NPE. The ‘042 patent generally relates to power management in integrated circuits. It was the subject of a declaratory judgment action from Micron, which has settled.

View district court litigations by Polaris PowerLED. Unified was represented by in-house counsel, TJ Murphy and Kelly Hughes, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019976

Second Atlas Global Wi-Fi patent challenged

On January 21, 2026, Unified filed an ex parte reexamination proceeding against U.S. Patent 10,965,425, owned and asserted by Atlas Global Technologies, LLC, an NPE and Acacia Research entity. The ‘425 patent is generally directed to allocating and signalling the allocation of a special center 26-tone resource unit when employing 80 MHz or higher bandwidths in OFDMA wireless communications. The patent is currently being asserted against HPE, accusing access points that support Wi-Fi 6.

View district court litigations by Atlas Global. Unified is represented by Stephen Cortiaus and Ava Chuang at Slater Matsil, and by in-house counsel, Jessica L.A. Marks and T.J. Murphy.

Morris Routing network patent found invalid

On December 9, 2025, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate cancelling all challenged claims of U.S. Patent 12,058,042, owned and asserted by Morris Routing Technologies, LLC, an NPE. The ‘042 patent relates to path-based data routing in a network. It was asserted against Verizon, Samsung, T-Mobile, and AT&T. 

View district court litigations by Morris Routing. Unified was represented by Michael Jones and Jake Rosvold of Rothwell Figg and by in-house counsel, Alyssa Holtslander and David Seastrunk, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019911

Mimzi voice interaction patent challenge instituted

On December 4, 2025, five weeks after Unified filed an ex parte reexamination, the Central Reexamination Unit (CRU) granted Unified’s request, finding substantial new questions of patentability on the challenged claims of U.S. Patent 9,792,361, owned and asserted by Mimzi, LLC, an NPE. The ’361 patent relates to using a phone to record phone calls, meetings, and dictation, and to store associated metadata, audio, and/or speech-recognized text in a centralized, content-searchable repository. It has been asserted against Nissan, Ford, Hyundai, Mercedes-Benz AG, Honda, and Subaru.

View district court litigations by Mimzi. Unified is represented by in-house counsel, Kyla Butler and Alyssa Holtslander, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90015642