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“The U.S. government has never provided any evidence supporting the accusation that Huawei poses a cybersecurity threat,” Guo said. “Even worse, the U.S. government is trying to block us from the 5G market in other countries.”

Guo, who also accused the U.S. government of hacking Huawei’s servers and stealing its emails, insisted that Huawei has not and will never implant backdoors in its equipment. He added that Huawei operates in 170 countries and is a global leader in 5G technology.

“Maybe the U.S. government incorrectly believes it would benefit from the suppression of Huawei. But the truth is, restricting Huawei’s contribution to American and other 5G networks will only harm their networks.”

Huawei’s chief legal officer Song Liuping described the lawsuit as a “purposeful and punitive” attack on Huawei, accusing Senator Marco Rubio of smearing the company as a “Trojan horse.”

Guo said the lawsuit was a “proper and last resort” and hopes the court will lift the ban so Huawei can work with the U.S. government to address its security concerns.

Photo by Wang Zhao/AFP/Getty Images

This marks the second lawsuit Huawei has filed in North America in less than a week. Last Friday, it filed suit against the Canadian government for allegedly violating the rights of Huawei chief financial officer Meng Wanzhou when officials arrested her in Vancouver in December on an extradition order from the U.S.