Ex Parte

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

Two more Wilus Wi-Fi patents challenged

On January 30, 2026, Unified filed an ex parte reexamination proceeding against U.S. Patent 12,166,587, owned by Wilus Institute of Standards & Technology, Inc., an entity of Good Day to Invent, Inc. The ‘587 patent generally related to how to identify padding in Wi-Fi trigger frames. The '587 patent has not been asserted itself, but it is the latest issued patent in a family being used in litigation.

On February 3, 2026, Unified filed an ex parte reexamination proceeding against U.S. Patent 11,284,475, also owned by Wilus. The ‘475 patent is generally related to setting a Basic Service Set (BSS) color in a responsive Wi-Fi Physical Layer Protocol Data Units (PPDU) when a received PPDU does or does not include a trigger frame that indicates the BSS color. The '475 patent has not been asserted, but it is related to patents being used in litigation.

View district court litigations by Wilus. Unified is represented by Michael Jones and Jake Rosvold of Rothwell Figg and by in-house counsel, Jessica L.A. Marks and Vinu Raj, in these proceedings.

Ascend Innovations entity, Byteweavr, cloud data patent found invalid

On December 30, 2025, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate cancelling most of the claims of U.S. Patent 6,862,488, owned and asserted by Byteweavr, LLC, an NPE and Ascend Innovations entity. The ‘488 patent relates to automated validation and workflow management. It had been asserted against Databricks and Cloudera.

View district court litigations by Byteweavr. Unified was represented by in-house counsel, Jordan Rossen.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019801

Another Atlas Global Wi-Fi patent challenged

On December 22, 2025, Unified filed an ex parte reexamination proceeding against U.S. Patent 10,348,471, owned and asserted by Atlas Global Technologies, LLC, an NPE and Acacia Research entity. The ‘471 patent is generally directed to Wi-Fi apparatuses and methods for indicating the use of and providing information for a central resource unit (RU) when using channel bandwidths where the central RU is available for allocation (e.g., bandwidths of 80 MHz or greater). The patent is currently being asserted against HPE, accusing Wi-Fi 6 (802.11ax) standard features.

View district court litigations by Atlas Global. Unified is represented by in-house counsel, Jessica L.A. Marks and T.J. Murphy.

Light Guide Innovations backlight patent challenged

On December 4, 2025, Unified filed an ex parte reexamination proceeding against U.S. Patent 9,638,378, another patent owned and asserted by Light Guide Innovations, LLC, an NPE and entity of Anjay Venture Partners LLC. The ’378 patent relates to a light emitting apparatus and is drawn to a lens having a particular shape. It has been asserted against Walmart, TCL, Hisense, and Samsung.

View district court litigations by Light Guide Innovations. Unified is represented by in-house counsel, Kelly Hughes and Roshan Mansinghani.