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United States v. American Library Association

Won U.S. Supreme Court
Last Updated

What's at stake

Whether libraries may lawfully be required to install filters on their computers to restrict access to pornography, obscenity, and material harmful to minors.


The American Library Association (ALA) challenged the Child Internet Protection Act (CIPA), a federal law which required public libraries to install filters to restrict access to child pornography, obscenity, and material harmful to minors from their computers as a condition of receiving federal funding for internet access.  The ALA asserted that the law was unconstitutional.

The United States Supreme Court upheld the law, ruling that requiring internet filters at public libraries receiving federal funds was not unconstitutional.

Our role in this case

Alliance Defending Freedom provided funding for an amicus brief and the amici coordination effort requested by the U.S. Solicitor’s Office.

Legal Documents

U.S. Supreme Court