Ex Parte

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.

Mimzi voice interaction patent challenged

On October 29, 2025, Unified Patents filed an ex parte reexamination proceeding against 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.

ISG Wi-Fi 6 patent challenged

On October 29, 2025, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 11,363,595, owned by the International Semiconductor Group, an NPE. The '595 patent is generally directed to transmitting a first frame on a first channel that identifies a second channel that can be used, and then receiving frames via both channels. This is particularly relevant to Wi-Fi devices that can operate in two frequency channels or bands, i.e., the 2.4 and 5 GHz bands. This filing marks the tenth patent challenged in Unified’s recently created SEP Wi-Fi zone.

View ITC litigations by ISG. Unified is represented by Michael Jones and Jake Rosvold of Rothwell Figg, and by in-house counsel, Jessica L.A. Marks and David Seastrunk, in this proceeding.

Fourth Wilus Wi-Fi patent challenged

On October 28, 2025, Unified filed an ex parte reexamination proceeding against U.S. Patent 10,567,047, owned and asserted by Wilus Institute of Standards & Technology, Inc., an entity of Good Day to Invent, Inc. The '047 patent is generally directed to Wi-Fi 6 devices configured to information in the HE-SIG-A field of an HE MU PPDU to understand the configuration of the HE-SIG-B field when using full bandwidth MU-MIMO. This challenge is part of Unified’s Wi-Fi zone and is the fourth filing against Wilus this year.

View district court litigations by Wilus. Unified is represented by in-house counsel, Jessica L.A. Marks and David Seastrunk, in this proceeding.

Malikie email patent challenged

On October 3, 2025, Unified filed an ex parte reexamination proceeding against U.S. Patent 10,779,156, another patent owned and asserted by Malikie Innovations Limited, an NPE and entity of Key Patent Innovations Limited. The ‘156 patent, formerly assigned to Blackberry Ltd., is directed to a mobile device communicating with a server to retrieve a pending data message (i.e., email) after the device receives an enable message, which indicates that the pending data message is available. It has been asserted against Match and Bumble. 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 Chris Schmidt and Eric Buresh of Erise IP, and by in-house counsel, David Seastrunk and Jordan Rossen, in this proceeding.