Reno v. American Civil Liberties Union

Reno v. American Civil Liberties Union, 521 U.S. 844 (1997), is a landmark decision of the Supreme Court of the United States, unanimously ruling that anti-indecency provisions of the 1996 Communications Decency Act violated the First Amendment's guarantee of freedom of speech. This was the first major Supreme Court ruling on the regulation of materials distributed via the Internet.