Certain Vertical Power Delivery Systems, Components Thereof, and Computing Systems Containing the Same; Inv. No. 337-TA-1526

The USITC instituted Investigation No. 337-TA-1526 on October 9, 2026, based on Vicor Corporation's complaint, as supplemented, alleging Section 337 violations through infringement of claims of U.S. Patent No. 10,903,734. The accused products are vertical power delivery systems and components thereof, and computing systems containing them, used in data center server, AI and cloud computing systems. The investigation concerns power delivery for AI accelerators, TPUs, GPUs and CPUs in data center and cloud computing systems, and names a large group of power component makers and server manufacturers. Vicor requests a limited exclusion order and cease and desist orders, which could restrict importation and sale of the accused power delivery systems and the computing systems containing them. The asserted patent is U.S. Patent No. 10,903,734 (the '734 patent); the investigation covers claims 1-8, 11-14, 18-26, 40-56, 65-71, 80, 81, 83, 84, 90-93, and 95. The complaint was filed September 9, 2026 and supplemented September 10, 2026; the complainant is Vicor Corporation of Andover, Massachusetts. The accused products are vertical power delivery systems and components used in data center server, AI and cloud computing systems to power AI accelerators, TPUs, GPUs and CPUs, and computing systems containing them. Respondents include Delta Electronics entities, Infineon Technologies AG, Luxshare entities, Monolithic Power Systems entities, Flex Ltd., Celestica Inc., Quanta entities, Hon Hai/Foxconn entities, and Ingrasys entities. The Office of Unfair Import Investigations will not participate as a party. The Commission asks the ALJ to develop a thorough domestic industry record under section 337(a)(3)(A), (B), and (C), including third-party expenditures and expenditures made outside the United States.