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- President Joe Biden signed the TikTok divest-or-ban bill into law on Wednesday.
- TikTok said it would challenge the law in court, citing First-Amendment violations.
- Legal experts said Congress' national-security argument could still win over free-speech concerns in courts.
Congress passed a bill this week that will force TikTok's owner to sell its US assets or face removal from mobile-app stores. President Joe Biden signed the bill into law on Wednesday. Parent company ByteDance now has between 9 months and a year to sell or spin off the app in the US.
What comes next will be an all-out legal battle.