“Reverse searches” are a novel surveillance technique where the police can obtain records reflecting everyone who used a search engine to look up a particular word or phrase. In this case, the lower court approved the police using a reverse search, ruling that people do not have a reasonable expectation of privacy for any query they enter into a search engine. The ACLU’s Speech, Privacy, and Technology Project and State Supreme Court Initiative along with the ACLU of Pennsylvania filed an amicus brief in the Pennsylvania Supreme Court urging the court to reverse the lower court’s decision and hold that search history data is protected by the state and federal Constitution.

On February 15, 2024, the ACLU and ACLU of Montana filed an amicus brief urging the U.S. Court of Appeals for the Ninth Circuit to leave in place an injunction against enforcement of a Montana law that infringes minors’ First Amendment rights by restricting their ability to attend drag performances.

This amicus brief highlights the constitutional defects of a California law that purports to protect consumer privacy but is actually an impermissible, content-based regulation of online speech. The brief urges that this law should be struck down while emphasizing that the court should rule narrowly and leave paths open for other consumer privacy laws to withstand First Amendment challenge.