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

AX Wireless Wi-Fi patent challenge granted

On April 24, 2026, 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 11,777,776, owned by AX Wireless, LLC, an NPE and entity of IdeaHub. The ‘776 patent generally relates to header field configurations (e.g., header repetition) in Orthogonal Frequency Division Multiplexing (OFDM) communication systems (802.11n). It has been asserted against Sony, TP Link, Ubiquiti, D-Link, Vantiva, and ASUSTek. The filing is part of Unified’s ongoing efforts in the SEP Wi-Fi Zone.

View district court litigations by AX Wireless. Unified is represented by Stephen Cortiaus at Slater Matsil and by in-house counsel, David Seastrunk, Jessica L.A. Marks, and T.J. Murphy, in these proceedings.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90016008

Malikie video codec patent challenged

On May 2, 2025, Unified filed an ex parte reexamination proceeding against U.S. Patent 10,778,989, another patent owned by Malikie Innovations Limited, an NPE and entity of Key Patent Innovations Limited. The ‘989 patent, formerly assigned to Blackberry Ltd., relates to a rolling intra prediction video codec method based on the H.264/AVC/HEVC standards. Malikie Innovations has filed several other litigations funded by Key Patent Innovations Limited against networking communications, apps, and Wi-Fi devices.

View district court litigations by Malikie. Unified is represented by Jason Wejnert and Jessica L.A. Marks in this proceeding.

Acacia entity, Atlas Global, Wi-Fi patent challenge granted

On April 22, 2026, 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 9,628,310, owned and asserted by Atlas Global Technologies, LLC, an NPE and Acacia Research entity. The ‘310 patent is directed to the format of HE LTFs (high efficiency long training fields) for various combinations of HE LTF modes and channel bandwidths in Wi-Fi transmissions. The patent is currently being asserted against HPE, but has been asserted against Arcadyan Technology, Dell, and Vantiva in the past.

View district court litigations by Atlas Global. Unified is represented by Ava Chuang and Stephen Cortiaus of Slater Matsil, and in-house counsel, Jessica L.A. Marks and David Seastrunk.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90016012

Congruent Media app security patent challenge granted

On May 7, 2026, four weeks 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 9,135,418, owned and asserted by Congruent Media Resourcing LLC, an NPE. The ‘418 patent generally relates to a method of operating secure applications on an enterprise mobile device. It has been asserted against Cisco, Palo Alto Networks, PreEmptive Solutions, Rapid7, Open Text, and Trend Micro Inc.

View district court litigations by Congruent Media. Unified is represented by Ellyar Barazesh and Will Gaines at Baker Botts, and by in-house counsel, Jordan Rossen, Jenn Bisk, and Andrea Shoffstall.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90016139