Court Cases

The ACLU Foundation of Northern California has filed a lawsuit to block Sonoma County code inspectors from using drones to conduct surveillance of people's homes without a warrant.

The ACLU filed a lawsuit in San Francisco Superior Court today to protect tenants' privacy rights from landlords who force renters to allow AI-powered surveillance technology in their homes

The ACLU of Northern California and the Electronic Frontier Foundation filed suit in Santa Clara County Superior Court against the City of San Jose and others to challenge San Jose police officers’ practice of searching for location information collected by automated license plate readers (ALPRs) without first getting a warrant.

We filed a motion in federal court to prevent Meta from complying with the Department of Homeland Security’s demand that the tech giant turn over the name, email address, and phone number associated with an Instagram account that reposted a video naming a Border Patrol agent. We argue that the government’s administrative subpoena violated First Amendment protections for anonymous political speech.

The ACLU Foundation of Northern California and the law firm Wilson, Sonsini, Goodrich & Rosati filed a class-action lawsuit to prevent the San Francisco Sheriff's Office from requiring that individuals agree to unconstitutional “four-way” searches and GPS location data-sharing as conditions of pretrial release on electronic monitoring.

California activists are suing the Marin County Sheriff for illegally sharing drivers’ license plate data with ICE, CBP and other out-of-state agencies.

The ACLU of Northern California, the Immigrant Defense Project, Just Futures Law, and Mijente sued the Department of Homeland Security, Immigration and Customs Enforcement, and Customs and Border Protection under the Freedom of Information Act seeking records of their use of Clearview AI’s face surveillance system.