Dominion Harbor entity, Bunker Hill, EV battery patent challenge granted

On June 1, 2026, two months after Unified filed an ex parte reexamination, the Central Reexamination Unit (CRU) granted Unified’s request, finding substantial new questions of patentability on all challenged claims of U.S. Patent 9,914,365, asserted by Bunker Hill Technologies, an NPE and entity of Dominion Harbor Enterprises, LLC. The ’365 patent generally relates to a power electronic charging apparatus for rapidly charging a DC energy storage device. It has been asserted against Ford, Toyota, and Nissan.

View district court litigations by Bunker Hill. Unified is represented by Mark Lang and Nathan Johnson of Erise IP, and by in-house counsel, Andrea Shoffstall and Alyssa Holtslander.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90016093

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

On May 20, 2026, the Central Reexamination Unit (CRU) entered a notice of intent to issue a reexamination certificate cancelling all challenged claims 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

OptimNet cloud patent challenge granted

On May 4, 2026, 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 claims 1-12 of U.S. Patent 9,112,934, owned and asserted by OptimNet LLC, an NPE. The ‘934 patent generally relates to a content delivery networking method and apparatus that builds a content delivery overlay network for transferring media content to users.

View district court litigations by OptimNet. Unified is represented by James Stein and Anita Bhushan of Lee & Hayes, and by in-house counsel, Jason Wejnert and Alyssa Holtslander.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90016096

Innovation Technologies advertisement patent challenged

On April 27, 2026, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 12,125,070, owned and asserted by Innovation Technologies Partners LP, an NPE and entity of MVRE LLC. The ’070 patent relates to a method for distributing an electronic content item for consumption with advertisements. It has been asserted against Hulu.

View district court litigations by Innovation Technologies. Unified is represented by in-house counsel, Kyla Butler and TJ Murphy, in this proceeding.

Umbra Tech virtual network patent challenged

On April 27, 2026, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 12,452,192, owned and asserted by Umbra Technologies Ltd. The ’192 patent is generally directed to virtual network systems where a control server sends a ranked list of access point servers to an endpoint. The endpoint device then uses this ranked list to select the access point server to which it will build a tunnel to the network. It has been asserted against Zscaler.

View district court litigations by Umbra Technologies. Unified is represented by in-house counsel, Jessica L.A. Marks and Vinu Raj, in this proceeding.