Reexamination

InterDigital video codec patent challenged

On July 16, 2025, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 10,805,610, owned by InterDigital VC Holdings. The '610 patent relates to coding groups of pixels within blocks. It has been asserted against The Walt Disney Company.

View district court litigations by InterDigital. Unified is represented by in-house counsel, Michelle Aspen, Jessica L.A. Marks, and Roshan Mansinghani.

H2 Intellect geofencing patent challenged

On July 11, 2025, Unified Patents filed an ex parte reexamination proceeding against U.S. Patent 8,977,247, owned and asserted by H2 Intellect LLC, an NPE. The ‘247 patent generally relates to a system for delivering sponsored content to registered application programs based on users' geographic locations. It has been asserted against IBM, The Home Depot, and Amazon.

View district court litigations by H2 Intellect. Unified is represented by in-house counsel, Kelly Hughes and Jason Wejnert, in this proceeding.

Nchain blockchain patent challenged

On July 10, 2025, Unified Patents filed an ex parte reexamination proceeding against 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.

K.Mizra network patent challenge instituted

On July 8, 2025, less than 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 the challenged claims of U.S. Patent 8,782,282, owned and asserted by K.Mizra LLC. The ‘282 patent relates to communications in a network management system. K.Mizra, an apparently funded entity that has brought suit on at least 35 patents worldwide, has asserted the ‘282 patent against Ciena Corporation. K.Mizra has asserted EP 2433141B1 against Niantic, and EP 2174201B1 against Samsung, both in Germany.

View U.S. district court litigations by K.Mizra. Unified is represented by in-house counsel, Jordan Rossen and David Seastrunk, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019963

Davidson Kempner entity, QPrivacy, data security patent challenge instituted

On June 30, 2025, 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 the challenged claims of U.S. Patent 11,816,249, owned and asserted by QPrivacy USA LLC, an NPE and a Davidson Kempner entity. The ‘249 patent relates to the management of private data without decrypting that data. The patent has been asserted against Cisco.

View district court litigations by QPrivacy. Unified is represented by in-house counsel, Michelle Aspen and TJ Murphy, in this proceeding.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019896