Huawei executive Meng Wanzhou reaches a deferred prosecution agreement, pleading not guilty to multiple fraud charges. Meng's extradition case was subsequently dropped and she was released after spending nearly three years under house arrest in Vancouver, Canada, reportedly travelling to Shenzhen, China.
UK Digital Media minister Oliver Dowden announces to the House of Commons that the country's mobile providers will be barred from buying 5G equipment from Huawei starting December 31, and will be required to remove it from their networks by 2027. Lord Browne resigned from his position as chairman of Huawei's UK branch shortly before the announcement.
Several senior Australian MPs cancel a planned trip to the United Kingdom next month due to the latter allowing Huawei to help build its national 5G network. Australia had banned the Chinese telecom from participating in their network due to security concerns.
Citing human rights issues, the United States Department of Commerce puts 20 Chinese public security bureaus and eight high tech companies, such as HikVision, SenseTime and Megvii, on the Export Administration Regulations entities blacklist. Like Huawei, which was sanctioned on an identical blueprint for national security reasons, the entities will need U.S. government approval before they can purchase components from U.S. companies.
The Institute of Electrical and Electronics Engineers (IEEE) bans Huawei scientists from reviewing submissions to its peer-reviewed journals, due to the "severe legal implications" of U.S. sanctions against the Chinese company.
Huawei sues the U.S. Government to challenge the constitutionality of "Section 889" of the National Defense Authorization Act which prohibits U.S. executive government agencies from procuring telecommunications equipment from two Chinese companies, Huawei and ZTE.
The United States Justice Department, Department of Homeland Security, Department of Commerce and Federal Bureau of Investigation announces 23 criminal charges against China's telecom Huawei and its chief financial officer Wanzhou Meng, which include banking and financial fraud, money laundering, wire fraud, conspiracy to defraud the United States, theft of trade secret technology, provided bonus to workers who stole confidential information from companies around the world, obstruction of justice and sanctions violations.
Chinese state media reports a second Canadian national, Michael Spavor, has been detained on suspicion of endangering state security, while the China foreign ministry say two Canadian nationals are detained in the country. The Spavor investigation follows the detention of former Canadian diplomat Michael Kovrig on December 10 and Canada's December 1 arrest of Huawei executive Meng Wanzhou.