ByteDance promised to sue if the U.S. bans TikTok. Legal experts weigh in on what it means for users

In the event of a lawsuit, the U.S. government would likely argue national security issues.

Legislation forcing TikTok’s parent company to sell the video-sharing platform or face a ban in the U.S. received President Joe Biden’s official signoff Wednesday. But the newly minted law could be in for an uphill battle in court.

Critics of the sell-or-be-banned ultimatum argue it violates TikTok users’ First Amendment rights. The app’s China-based owner, ByteDance, has already promised to sue, calling the measure unconstitutional.

But a court challenge’s success is not guaranteed. The law’s opponents, which include advocacy organizations like the American Civil Liberties Union, maintain that the government hasn’t come close to justifying banning TikTok, while others say national-security claims could still prevail.

For years, lawmakers on both sides of the aisle have expressed concerns that Chinese authorities could force ByteDance to hand over U.S. user data, or influence Americans by suppressing or promoting certain content on TikTok. The U.S. has yet to provide public evidence to support those claims, but some legal experts note that political pressures have piled up regardless.

If upheld, legal experts also stress that the law could set a precedent carrying wider ramifications for digital media in the U.S.

Here’s what you need to know.