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大唐移动在德国起诉小米侵犯LTE/4G专利 为啥不在国内起诉?
Xi Niu Cai Jing· 2025-06-18 09:04
Group 1 - The core issue involves China’s Datang Mobile filing three patent lawsuits against Xiaomi in a German court, focusing on LTE/4G technology patents that are crucial for both 4G and 5G technologies [2] - The patents in question include EP2237607 (method and device for handover), EP3713313 (uplink power control method and mobile communication terminal), and EP2315369 (adaptive modulation and coding method and device) [2] - Datang Mobile, a wholly-owned subsidiary of China’s Zhongxing Telecommunication Equipment Corporation, previously won a similar lawsuit against Samsung in Germany regarding the same patent [2] Group 2 - Datang Mobile has opted for litigation in foreign jurisdictions to resolve standard essential patent licensing disputes, following a trend seen with other Chinese companies like Lenovo and ZTE [3] - The choice of Germany for such lawsuits is strategic, as German courts are known for their leniency in granting injunctions for patent infringements, which could lead to product bans [3] - The timing of the lawsuit coincides with Xiaomi's recent release of its self-developed 4G watch chip, although the lawsuit is not directly related to this chip as the products based on it have not yet been sold in Germany [3]