SHENZHEN, China — Chinese tech giant Huawei is challenging a U.S. law that would limit its American sales of telecom equipment on security grounds as the company steps up efforts to preserve its access to global markets for next-generation communications.
Huawei Technologies Ltd.'s lawsuit, announced Thursday, asks a federal court to reject as unconstitutional a portion of this year's U.S. military appropriations act that bars the government and its contractors from using Huawei equipment.
It comes as the biggest global maker of network equipment fights a U.S. campaign to persuade allies to shun Huawei. That threatens to block access to major markets as phone carriers prepare to invest billions of dollars in fifth-generation, or 5G, networks.
The complaint filed in Plano, Texas, the headquarters of Huawei's U.S. operations, says the law is an unconstitutional “bill of attainder,” or a measure that singles out a specific entity for punishment. It says that denies the company due process and amounts to a “death penalty.”
The American Embassy in Beijing said it had no comment on pending litigation.
Huawei, China's first global tech brand, is at the center of U.S.-Chinese tensions over technology competition and cyberspying. The company has spent years trying to put to rest accusations it facilitates Chinese spying or is controlled by the ruling Communist Party.
“We are compelled to take this legal action as a proper and last resort,” the company's rotating chairman, Guo Ping, said at a news conference. Guo said the ban would limit competition, slowing the rollout of fifth-generation communications and raising consumer prices.
Huawei has pleaded not guilty to U.S. trade-theft charges after a federal court in Seattle unsealed a 10-count indictment in January. The charges include conspiracy to steal trade secrets, attempted theft of trade secrets, wire fraud and obstruction of justice.
The company's chief financial officer, Meng Wanzhou, was arrested Dec. 1 in Canada on U.S. charges of lying to banks about dealings with Iran. She is fighting extradition to the United States.
Huawei denies wrongdoing.
A foreign ministry spokesman said Thursday he had no information about whether the Chinese government would join Huawei in its lawsuit but said Beijing also objected to the law.
“We believe that it is perfectly proper and fully understandable for companies to defend their legitimate rights and interests through legal means,” Lu Kang said.
Huawei has about 40 percent of the global market for network gear. Its U.S. sales evaporated after a congressional panel in 2012 cited the company and a Chinese competitor, ZTE Corp., as security risks and told phone carriers to avoid dealing with them.
U.S. authorities “have hacked our servers and stolen our emails” but have presented no evidence to support their security claims, Guo said. He complained Washington was “sparing no effort to smear” the company.
Huawei says the new law would shrink its potential U.S. market further by prohibiting the government from buying the Chinese vendor's technology and from buying goods or services from or giving grants or loans to companies or other third parties that do. The United States accounts for 20 to 25 percent of the global market for computer and telecom technology.
The ban is “based on numerous false, unproven and untested propositions,” the company's chief legal officer, Song Liuping, said at the news conference. “Huawei has an excellent security record and program. No contrary evidence has been offered.”
The Chinese government and some industry analysts say Washington might be exaggerating security concerns to block competition.
Huawei, based in Shenzhen, near Hong Kong, is a leading developer of 5G, along with rivals Nokia Corp. of Finland and Sweden's LM Ericsson. Industry analysts say excluding the Chinese vendor from markets for 5G equipment would reduce competition and might lead to higher prices.
Founded in 1987 by a former military engineer, Huawei overtook Ericsson in 2017 as the biggest global supplier of network gear. It says it supplies 45 of the world's top 50 phone companies and has contracts with 30 carriers to test 5G wireless technology.
European governments are balking at U.S. pressure to ban Huawei. The company has announced contracts with customers including the United Arab Emirates in the Middle East for network technology.
China's government arrested two Canadians, a former diplomat and a businessman, on Dec. 10 in what was widely seen as an attempt to pressure Canada to release Meng, the company's CFO.
On Monday, Beijing accused the two men of acting together to steal state secrets. That followed the Canadian government's announcement Friday that the extradition proceeding for Meng would be allowed to proceed.
Huawei executives say American security warnings have yet to affect sales outside the United States. The company's 2018 revenue forecast is $100 billion and its founder, Ren Zhengfei, said last month this year's target is $125 billion.
Some European officials and others cite a Chinese security law requiring companies to cooperate with intelligence agencies that they say might oblige Huawei and other tech companies to install “backdoors” in equipment to allow eavesdropping.
Huawei denies altering its equipment to facilitate spying. It has set up testing centers in Britain, Canada and continental Europe to allow governments to examine its technology.
“Huawei has not and will never implant ‘backdoors,’” said Guo, the chairman.
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