Taiwan Court Fines Tokyo Electron $150M, Imposes Jail in Landmark TSMC Trade Secrets Case

April 27, 2026
Taiwan Court Fines Tokyo Electron $150M, Imposes Jail in Landmark TSMC Trade Secrets Case
  • The case signals a shift toward emphasizing national sovereignty and defense of strategic technologies, expanding penalties and corporate accountability under Taiwan’s National Security Act.

  • Industry analysts say the case could influence how multinationals engage with Taiwanese firms, stressing strict local-compliance and robust confidential information protection in semiconductor manufacturing.

  • The information involved was highly sensitive and central to global leadership in chip manufacturing, underscoring broader industry implications.

  • Experts note three takeaways: sharply higher penalties for individuals, the importance of reasonable measures to protect trade secrets, and a dual punishment framework that can hold employers liable unless due diligence is proven.

  • Chen allegedly photographed, copied, and shared materials to help Tokyo Electron improve its bids as a supplier to TSMC, aiming to boost personal performance while risking Taiwan’s economic security and chipmaking competitiveness.

  • A Taiwan court fined Tokyo Electron Taiwan Ltd. 150 million Taiwan dollars and handed prison sentences of up to 10 years to individuals involved in a high-profile trade secrets case tied to TSMC.

  • The case highlights broader concerns about intellectual property rights and national security in tech, with no immediate public responses from TSMC or Tokyo Electron.

  • Convicted parties may appeal the ruling through the standard appeals process.

  • TSMC’s position as the world’s leading foundry adds international significance due to its central role in global supply chains and potential repercussions from any leakage of proprietary technology.

  • Prosecutors indicted Chen and others in August; Tokyo Electron dismissed an involved employee but asserted there was no organizational leakage and found no evidence of organizational involvement.

  • The ruling sets a new precedent for global supply-chain accountability by linking protection of top-tier semiconductor blueprints to national security and economic survival.

  • The ruling marks the first time a corporate entity is charged under Taiwan’s National Security Act in relation to national core key technologies.

Summary based on 16 sources


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