DynaIP entity, Err Content, media casting patent confirmed invalid by PTAB

On July 30, 2026, the PTAB confirmed the final rejection of all challenged claims in the ex parte reexamination of U.S. Patent 10,721,542, owned and asserted by Err Content IP LLC, an NPE and entity of Pueblo Nuevo/DynaIP. The '542 patent generally relates to providing main content and extra content to a user through a reference item. It has been asserted against Panasonic, Hisense, Spotify, Roku, Comcast, LG Electronics, and others.

View district court litigations by Err Content. Unified was represented by John Pienkos at Amundsen Davis and by in-house counsel, Kelly Hughes and T.J. Murphy.

To view the reexamination request, visit Unified’s Portal: https://portal.unifiedpatents.com/exparte/90019787