联发科起诉华为！

Core Viewpoint - The ongoing patent disputes between MediaTek and Huawei are escalating, with both companies engaging in multiple lawsuits across various jurisdictions, highlighting the competitive landscape in the semiconductor industry and the complexities of patent licensing agreements [5][7]. Group 1: Patent Disputes - MediaTek's subsidiary HFI Innovation has filed a lawsuit against five Huawei subsidiaries for infringing on European patent EP2689624, which pertains to LTE technology [2]. - The patent conflict has intensified following Huawei's unsuccessful negotiations with MediaTek for licensing 5G standard essential patents, leading to Huawei initiating its own patent infringement lawsuit against MediaTek [5][7]. - Both companies are involved in numerous legal battles across China and Europe, with Huawei holding over 120,000 patents, of which 14.59% are 5G standard essential patents, while MediaTek possesses over 13,000 patents [7][8]. Group 2: Licensing Models - The primary contention between MediaTek and Huawei revolves around the licensing fee model, specifically whether to charge at the "terminal level" (to smartphone manufacturers) or the "chip level" (to chip manufacturers) [7]. - Huawei's strategy aims to shift the licensing fee structure to chip manufacturers, which could potentially streamline the licensing process given the limited number of major chip manufacturers globally [7]. Group 3: Patent Challenges - Both companies have initiated challenges against each other's patents, with MediaTek reportedly contesting at least ten of Huawei's patents, although results from these challenges are still pending from the National Intellectual Property Administration [8].