MPEG-DASH

Malikie MPEG-DASH related patent challenged

On July 28, 2025, Unified Patents filed an ex parte reexamination proceeding against 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.

Helios MPEG-DASH patent challenge instituted

On February 6, 2024, 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 10,362,130, owned and asserted by Helios Streaming LLC, an NPE and entity of Ideahub, Inc. The ‘130 patent is relevant to systems that are compliant with the MPEG-DASH standard; its claims are directed to providing adaptive HTTP streaming services using metadata of media content to ensure smooth playback. It has been asserted against Crackle, Starz, Showtime, Vudu, Fandango, Warner Brothers, and HBO.

View district court litigations by Helios. Unified is represented by Ryan Stronczer and Cono Carrano of Akin Gump, and by in-house counsel, Jessica L.A. Marks and Michelle Aspen.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019337

First China patent challenge against IdeaHub

On February 3, 2021, Unified Patents filed its first Chinese invalidation request for CN103081504 owned by IdeaHub, Inc. CN103081504 is directed to media content streamed in accordance with the MPEG-DASH standard and to video-on-demand (VOD) systems. It is related to U.S. Patent 8,645,562, which IdeaHub's licensee, Helios Streaming, LLC, has used to sue Showtime, Vudu, Crackle, and Starz.

Unified is represented by Fanghua Zhou at Wei Chixue Law Firm, and the case is managed by in-house counsel, Jessica L.A. Marks and Ashraf Fawzy.

For Pub - As-filed Invalidation Request-201180042908.3 by Jennifer M Gallagher on Scribd