Xin Lang Cai Jing·2025-12-22 10:18Core Viewpoint - The U.S. International Trade Commission (USITC) has initiated a "337 investigation" against AMD, Lenovo, and Supermicro for allegedly infringing on patents held by Adeia and its subsidiaries [1][5]. Group 1: Investigation Details - The investigation is based on a complaint filed by Adeia Semiconductor Bonding Technologies, Adeia Holdings, and Adeia on November 17, 2025, with supplementary documents submitted on November 26, December 4, and December 5, 2025 [3][7]. - The investigation will focus on specific semiconductor devices, computing products containing these devices, and their components, alleging violations of Section 337 of the Tariff Act of 1930 [3][7]. Group 2: Patent Infringement Claims - Adeia claims that AMD, Lenovo, and Supermicro have infringed on four patents related to chip stacking structures, thermal management solutions, and heterogeneous integration technologies, which are critical for high-performance processors, server motherboards, data centers, AI accelerators, and high-end PCs [3][7]. - Adeia has requested the ITC to issue a limited exclusion order and a cease-and-desist order as part of its legal strategy [3][7]. Group 3: Investigation Process - The case has been assigned the number 337-TA-1465, and the initiation of the investigation does not imply any decision on the merits of the case [4][8]. - The USITC aims to make a final determination as soon as possible, with any relief orders issued under Section 337 becoming effective upon publication and remaining in effect for 60 days unless overturned by the U.S. Trade Representative for policy reasons [4][8].