TikTok, Inc. v. Garland, 604 U.S. ___, was a United States Supreme Court case brought by ByteDance Ltd. and TikTok challenging the constitutionality of the Protecting Americans from Foreign Adversary Controlled Applications Act based on the Freedom of Speech Clause of the First Amendment, the Bill of Attainder Clause of Article One, Section Nine, and the Due Process Clause and Takings Clause of the Fifth Amendment. From Wikipedia