Matal v. Tam, 582 U.S. ___ (2017) (previously known as Lee v. Tam) is a Supreme Court of the United States case that affirmed unanimously the judgment of the United States Court of Appeals for the Federal Circuit that the provisions of the Lanham Act prohibiting registration of trademarks that may "disparage" persons, institutions, beliefs, or national symbols with the United States Patent and Trademark Office violated the First Amendment.