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TSMC controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2025

    Investigation into alleged 2-nanometre trade-secret theft

    TSMC reported that two current employees and six former employees had allegedly obtained trade secrets concerning its leading 2-nanometre process. Taiwanese authorities reportedly arrested suspects, and one former employee who moved to Tokyo Electron was reported to have been terminated.

  2. 2024

    Possible export-control breach involving a Huawei-linked supply chain

    TSMC notified the United States Department of Commerce about a potential breach in which one of its advanced chips was reportedly sent to Huawei through another company with ties to the Chinese government. The matter illustrates the compliance risks created by restrictions on advanced semiconductor technology exports.

  3. 2019

    TSMC files patent infringement lawsuits against GlobalFoundries

    Lawsuit filed

    TSMC filed multiple lawsuits against GlobalFoundries in the United States, Germany and Singapore, alleging that several semiconductor process nodes infringed 25 TSMC patents. In the filings, TSMC sought injunctions and monetary damages. The complaints were brought to affirm TSMC's technology leadership and to protect its customers and consumers worldwide, according to the source report.

    Source excerpt

    • In the complaints, TSMC demands injunctions to stop GlobalFoundries’ manufacture and sale of infringing semiconductor products. TSMC also seeks substantial monetary damages from GlobalFoundries for its sale of infringing semiconductor products and unlawful use of TSMC’s patented semiconductor technologies.
    • TSMC, the world’s leading global innovator in semiconductor manufacturing, filed multiple lawsuits on September 30, 2019 against GlobalFoundries in the United States, Germany and Singapore for its ongoing infringement of 25 TSMC patents by at least its 40nm, 28nm, 22nm, 14nm, and 12nm node processes.
    • 根据台积电公告,他们将驳回它们之间以及涉及其任何客户的所有诉讼