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Taiwan Court Sentences Ex-Tokyo Electron Engineer to 10 Years Over TSMC Trade Secrets
The court also fined Tokyo Electron’s Taiwan unit NT$150 million and ordered NT$100 million paid to TSMC.
On Monday, Taiwan's Intellectual Property and Commercial Court sentenced former Tokyo Electron engineer Chen Li-ming to 10 years in prison for stealing TSMC proprietary data, fining Tokyo Electron's Taiwan unit NT$150 million.
Prosecutors indicted Chen and other former TSMC employees in August 2025 for allegedly obtaining trade secrets aimed at helping Tokyo Electron secure more equipment orders, prompting the company's Taiwan unit to plead guilty to violating national security laws.
Judge Chang Ming-huang handed three other defendants prison terms ranging from two to six years, while Tokyo Electron stated it would reinforce compliance systems to "ensure that such incidents never occur again."
Taiwan remains on alert against intellectual property theft, with authorities investigating potential poaching by Semiconductor Manufacturing International in early 2025 and searching homes of a former TSMC executive who joined Intel.
The ruling marks a high-profile defense of the island's most strategic sector, where TSMC manufactures chips for Nvidia, Apple, and Google, highlighting growing alarm over industrial espionage targeting Taiwan's advanced technology.
A former employee of the major Taiwanese chip manufacturer TSMC has been sentenced by a Taiwanese court to ten years in prison for stealing trade secrets. After leaving the world's largest chipmaker, he went to work for Japanese rival Tokyo Electron. There, he used contacts with former colleagues to help Tokyo Electron secure more contracts.
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