Explainer | What are Section 337 investigations, and why is China so concerned about them?



The Section 337 investigation is one of the United States’ most potent legal weapons for policing intellectual property disputes. Conducted by the US International Trade Commission (USITC), they can lead to the total exclusion of a product from the American market.

And the tool is often used to target China: more than 40 per cent of the Section 337 investigations completed in 2024 involved a Chinese company, according to USITC data.

In September, the commission launched a probe into smart televisions made by Chinese electronics maker TCL. Just a month earlier, it began investigating telecommunications devices made by TCL and three other Chinese manufacturers.

In this explainer, the Post breaks down how Section 337 investigations are being used against Chinese companies – and how Beijing has responded to this threat.

What is a Section 337 investigation?

The USITC, an independent federal agency, has the power to launch investigations into unfair trade practices involving imported products under Section 337 of the United States’ Tariff Act of 1930.

  • Related Posts

    China’s chipmakers rush to embrace DeepSeek’s V4. Which names stand out?

    The release of DeepSeek’s latest large language model, V4, has been followed by a wave of adoption among domestic semiconductor manufacturers and artificial intelligence chipmakers, with firms racing to support…

    Continue reading
    CK Hutchison’s VodafoneThree exit sparks dividend speculation – but analysts are split

    CK Hutchison Holdings’ disposal of its investment in UK’s biggest mobile phone operator has spurred speculation that the Li Ka-shing family-controlled conglomerate may channel part of the investment gain into…

    Continue reading

    Leave a Reply

    Your email address will not be published. Required fields are marked *