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Japan court drops TSMC from US patent suit, hears claims against Japanese subsidiary

By Toko Sekiguchi ( June 1, 2026, 07:07 GMT | Insight) -- The Tokyo District Court dismissed TSMC from a lawsuit alleging infringement of a US semiconductor manufacturing patent, while holding that Japanese courts could hear claims against its Japanese subsidiary.The Tokyo District Court dismissed Taiwan Semiconductor Manufacturing Company, or TSMC, from a lawsuit alleging infringement of a US semiconductor manufacturing patent, while holding that Japanese courts could hear claims against Japan Advanced Semiconductor Manufacturing, or JASM....

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