TLDR
- Taiwan’s Intellectual Property and Commercial Court sentenced ex-TSMC engineer Chen Li-ming to a decade behind bars for semiconductor trade secret theft
- Three additional engineers were handed prison terms ranging from two to six years
- Tokyo Electron’s Taiwan operation faces NT$150 million (approximately $4.8 million USD) in penalties
- Taiwan’s first application of national security legislation to prosecute theft of critical semiconductor technology
- The breach was uncovered when TSMC’s security infrastructure flagged suspicious data access patterns in July
A Taiwanese court delivered a significant verdict on Monday, sentencing a former semiconductor engineer to ten years imprisonment for stealing proprietary technology from Taiwan Semiconductor Manufacturing.
Chen Li-ming, who transitioned from TSMC to Tokyo Electron’s Taiwanese division, exploited relationships with his previous colleagues to obtain, photograph, duplicate, and transmit classified documentation.
The misappropriated information was subsequently utilized by Tokyo Electron to enhance its technological capabilities and strengthen its competitive position as a TSMC vendor.
Three additional engineers who remained on TSMC‘s payroll during the incident also faced prosecution. The court issued sentences spanning two to six years for their involvement.
A separate conviction targeted a Tokyo Electron supervisor who directed the erasure of confidential TSMC documents. This individual received a 10-month term, suspended for a three-year period.
This prosecution marks a watershed moment as Taiwan deployed national security statutes for the first time in a semiconductor technology theft case. Government authorities indicate that corporate espionage targeting sensitive technological information has experienced dramatic growth over the last ten years.
Court Imposes Financial Penalties on Tokyo Electron and Mandates TSMC Compensation
The judicial decision levied NT$150 million in fines against Tokyo Electron’s Taiwan subsidiary, equivalent to roughly $4.8 million USD. The ruling directs NT$100 million of this sum be remitted directly to TSMC, while the balance of NT$50 million flows to government coffers.
The equipment manufacturer faced indictment as a corporate defendant in these proceedings.
Tokyo Electron released a statement acknowledging the gravity of the decision and pledging to bolster its information security protocols. The corporation emphasized that neither investigative authorities nor the judiciary identified systemic misconduct or external dissemination of proprietary information.
Tokyo Electron further indicated that the verdict is anticipated to produce no material effect on its financial operations.
How TSMC Discovered the Security Breach
TSMC’s sophisticated security monitoring infrastructure identified anomalous access patterns to restricted data in July, launching the formal investigation.
A judicial representative confirmed that evidence presented by TSMC demonstrated Tokyo Electron never distributed the stolen materials beyond its organization. The precise terms of the settlement arrangement between the two corporations remain undisclosed.
The court’s findings noted Tokyo Electron’s inadequate oversight of Chen. His internal performance assessments had previously highlighted his capacity to “leverage existing client resources” and acquire intelligence on customers and rivals.
TSMC produces semiconductors for industry giants including Apple and Nvidia. The chipmaker has affirmed its commitment to pursuing legal remedies against intellectual property theft to safeguard its market position.
Tokyo Electron maintained that it provided full cooperation with law enforcement throughout the proceedings.
Every defendant, including Tokyo Electron’s Taiwanese subsidiary, retains appellate rights regarding the judgment.
Equity prices for both corporations showed minimal reaction to the court’s decision.
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