Lawsuit against TikTok ban set to begin in Washington

FILE - The Department of Justice contends that TikTok presents a national security threat. TikTok, its parent and users say a law mandating its sale or partial shutdown represents an unconstitutional suppression of free speech. FILE - The logo of TikTok's parent company ByteDance is seen at its booth during an organized media tour to the Zhongguancun National Innovation Demonstration Zone Exhibition Center in Beijing, China, Feb. 10, 2022. FILE - Brian Firebaugh of Hubbard, Texas, protests at the U.S. Capitol following a press conference by TikTok creators to voice opposition to legislation seeking to crack down on the social media platform, in Washington, March 12, 2024.

Attorneys representing the social media application TikTok and its China-based parent company, ByteDance, are poised to clash with lawyers from the Department of Justice on Monday in a case that could decide the fate of the service in the United States.