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Taiwan files additional charges in TSMC trade secrets case

By Thomson Reuters Jan 5, 2026 | 2:07 AM

TAIPEI, Jan 5 (Reuters) – Taiwanese prosecutors said on Monday they had filed additional ‍indictments against the Taiwan unit of Tokyo Electron and three other defendants in a case involving the alleged ‌theft of trade ‌secrets from chipmaker TSMC.

The news comes after Taiwanese prosecutors said last month they had charged Tokyo ​Electron’s Taiwan unit with violating the National Security ‍Act and the ​Trade Secrets Act ​after a former employee was ‍indicted in August for alleged theft of trade secrets from TSMC.

The unit could face fines of up to ‍T$120 million ($3.8 million) if convicted, they said.

Chipmaking equipment maker Tokyo Electron ‍has ‍said previously that ​it, the parent ​entity, ⁠had not been indicted ‌and the matter had no impact on its financial results.

(Reporting by Wen-Yee Lee; Editing by Anne Marie Roantree and ⁠Christian Schmollinger)