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Tokyo Electron Charged in TSMC Trade Secrets Theft

12/3/2025

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Story summary
  • Taiwan prosecutors charged Tokyo Electron's local subsidiary for failing to prevent the theft of trade secrets from Taiwan Semiconductor Manufacturing Co., the first corporate indictment under Taiwan's National Security Act.
  • The charges include violations of the National Security Act and the Trade Secrets Act, with potential fines up to NT$120 million (US$3.8 million).
  • A former TSMC employee, surnamed Chen, solicited information after joining Tokyo Electron.