Google, Qualcomm and ARM have all reportedly cut ties with Huawei, leaving the company scrambling for partners in the wake of a presidential order.

And if the Huawei contests the order in court, as is likely, the resulting legal fight could test the limits of the president’s power over international trade.

Huawei’s recent problems started with a national emergency declared last week by President Trump, which gave the Secretary of Commerce the power to block information technology transactions deemed national security risks.

The order, reportedly under consideration for a year, had one obvious target: Huawei, the Chinese telecommunications firm already branded a security risk by United States intelligence.

dealing a potentially fatal blow to the Chinese company’s smartphone business.

According to Alan Rozenshtein, a law professor at the University of Minnesota, it’s too early to tell how the executive order will be used beyond Huawei itself.

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