Two Wilus Wi-Fi patents challenged

On August 29, 2025, Unified filed two ex parte reexamination proceedings against U.S. Patent 10,820,233 and U.S. Patent 10,931,396, owned and asserted by Wilus Institute of Standards & Technology, Inc., an entity of Good Day to Invent, Inc.

The '233 patent is generally directed to wireless terminals that receive an A-MPDU (aggregated MAC protocol data unit) that includes a MSDU (MAC service data unit) or A-MSDU (aggregated MSDU) from multiple users and transmits back a block ACK (block acknowledgement) to at least some of those users, where the block ACK has a particular format dictated by the numerous elements of the claims. It has been asserted against Askey Computer Corporation and its routers, which are Wi-Fi 6 (802.11ax) enabled devices.

The '396 patent is generally directed wireless terminals that receive an A-MPDU (aggregated MAC protocol data unit) with a particular delimiter field that directs the device on the specific format of the response frame to transmit back. Like the '233, the '396 patent has been asserted against Askey and its routers, which are Wi-Fi 6 (802.11ax) enabled devices. The '396 patent is also related to U.S. Patent 11,664,926, which has been asserted against Samsung, HP Inc., and Askey.

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 Michelle Aspen, in this proceeding.

Malikie MPEG-DASH related patent challenge instituted

On August 25, 2025, less than one month 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 8,392,598, owned and asserted by Malikie Innovations Limited, an NPE and entity of Key Patent Innovations Limited. The '598 patent is generally directed to streaming media content to user devices, and allowing the user devices to control the format of the media downloaded based on conditions such as available bandwidth. Although not declared to any video codec standard, this patent is relevant to MPEG-DASH.

View district court litigations by Malikie. Unified is represented by Dagim Tilahun and Jonathan Bowser at Haynes Boone, and by in-house counsel, Jessica L.A. Marks and Michelle Aspen, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90015413

New saving capabilities added to Unified's Portal

Unified’s Portal has added a new component to its Patent Search page called MY SEARCHES. This new feature allows users to save their searches and have easy access when different analysis is performed.

Once a user is logged in, a collapsible panel will appear in the side toolbar of the Patent Search page. The panel will show ‘No queries found’ if there are no saved searches. Adjust the filters and perform a search. Click on ‘Save Search’.

The user then can name the search and click on OK. The search will be saved to ‘My Searches’ and can be seen from the drop-down menu. To remove, hover over the name and click on the ‘X’. Portal will double check if the user wants to delete or not.

Click HERE to see Unified’s Portal search capabilities.

DynaIP entity WirelessWerx IP geofencing patent challenge instituted

On August 25, 2025, one month 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 7,323,982, owned by WirelessWerx IP LLC, an NPE and Dynamic IP Deals LLC entity. The ‘982 patent directed to tracking and managing wireless devices using geofencing techniques. It is currently asserted against Verizon, Zebra Technologies, Audi, Tesla, Hyundai, among others.

View district court litigations by WirelessWerx. Unified is represented by in-house counsel, Jason Wejnert and Andrea Shoffstall, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90015412

Nchain blockchain patent challenge instituted

On August 19, 2025, 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 the challenged claims of U.S. Patent 12,032,677, owned by Nchain Holdings Limited, an NPE. The ‘677 patent generally relates to consensus-based electronic ledgers, and in particular to blockchain implementations and technologies.

Unified is represented by Steven Cortiaus at Slater Matsil, and by in-house counsel, T.J. Murphy and Jason Wejnert, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90015375