Huawei has filed a patent infringement action against RTL Group at the Mannheim Local Division of the Unified Patent Court (UPC), in a dispute over MPEG-DASH streaming technology.
The case centres on European patent EP2493191, titled “Method, device and system for realizing hierarchically requesting content in http streaming system”. The patent relates to techniques designed to improve the delivery of streamed video by managing how content requests are routed between cache and higher-level servers to reduce buffering.
The infringement action follows a revocation suit launched by RTL Group in November 2025 at the Paris seat of the UPC’s Central Division against another Huawei MPEG-DASH patent, EP2945339.
RTL Group, which runs streaming services RTL+ and M6+, has increasingly expanded its direct-to-consumer business, ending 2025 with 8.1 million paying subscribers.
The dispute highlights mounting pressure on streaming platforms over video codec and delivery patents. Huawei is a contributor to the Avanci Video licensing platform, which launched its streaming licensing programme earlier this year.
A number of Avanci licensors are also pursuing litigation against Disney over video streaming patents in Europe and the United States. Disney was recently forced to remove Dolby Vision and HDR10+ support from Disney+ in parts of Europe following injunctions secured by InterDigital in Germany and Brazil.
The Huawei action against RTL was filed on April 15 but only became public this week.
