Fighting to maintain its access to major markets for next-generation communications, Chinese tech giant Huawei is challenging the constitutionality of a US law that limits its sales of telecom equipment.
Huawei's chief legal officer Song Liuping said at a press briefing Wednesday that Huawei filed a motion for summary judgment asking the court in Plano, Texas, to rule on whether a US military spending provision that bars the government and its contractors from using Huawei equipment is constitutional.
Huawei is the biggest global maker of network equipment and enjoys a lead in 5G, or fifth-generation, technology. It also is the No. 2 maker of smartphones.
The Trump administration claims the company could use its equipment to spy on behalf of the Chinese government and is thus a threat to international cybersecurity.
"This decision threatens to harm our customers in over 170 countries, including more than 3 billion customers who use Huawei products and services around the world," Song said.
Huawei, whose US headquarters is in Plano, launched a lawsuit in March against the US national defense law, calling the provision a "bill of attainder" that selectively punishes Huawei and violates its due process by presuming its guilt without a fair trial.
The summary judgment motion seeks to accelerate the legal process to give US customers access to Huawei equipment sooner, according to a Wednesday statement from Huawei.
Song said the "state-sanctioned campaign" against the company will not improve cybersecurity.
"Politicians in the US are using the strength of an entire nation to come after a private company," he said. "This is not normal."
Apart from the defense law provision, the US Commerce Department recently placed Huawei on its "Entity List," effectively barring US firms from selling their technology to it and other Chinese firms without government approval.
Huawei relies heavily on US components, including computer chips, and about one-third of its suppliers are American.
The moves against Huawei are part of a broader trade war between the world's two largest economies that has both sides imposing billions of dollars of punitive tariffs against each other's products.
The dispute centers on China's huge longstanding trade surplus with the US and complaints that Beijing and Chinese companies use unfair tactics to acquire advanced foreign technologies.
The most recent round of negotiations between Beijing and Washington ended earlier this month without an agreement after Trump more than doubled duties on $200 billion in Chinese imports. China responded by raising tariffs of 5 percent to 25 percent on $60 billion worth of American goods.
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