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IPValue Plaintiffs Assert Former UMC Patents, This Time Before the ITC

February 23, 2025

Roughly one week after suing Apple, Broadcom, and Qualcomm in a Western District of Texas complaint and Lenovo (Motorola Mobile Communications), OnePlus, and TSMC in an Eastern District of Texas complaint, IPValue Management (d/b/a IPValue) subsidiaries Longitude Licensing Limited and Marlin Semiconductor Limited (f/k/a Sandyford Semiconductor Limited) have filed a complaint before the International Trade Commission (ITC) (337-TA-3809), naming those six defendants as proposed respondents. At issue are the same five semiconductor fabrication patents, with the defendants targeted over non-x86 semiconductor devices (defined as devices “other than those which are made by or for” AMD and Intel), including semiconductor wafers or semiconductor dies manufactured outside the United States using TSMC’s 7 nm and smaller process nodes, as well as products containing such semiconductor devices—including circuit boards, integrated circuits, “network units”, personal computers, smartphones, smartwatches, and tablets.


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