In Commonwealth v. Augustine, the Massachusetts Supreme Judicial Court ruled that an individual has a reasonable expectation of privacy in cell phone location records held by a company. Article 14 of the Massachusetts Constitution, similar to the Fourth Amendment, provides that individuals should be free from "unreasonable searches, and seizures." The court held that obtaining two weeks of phone location records was a search, requiring a warrant. EPIC filed "friend of the court" briefs in Commonwealth v. Connolly, a similar case in Massachusetts concerning warrantless GPS tracking, and State v. Earls, a case in which the New Jersey Supreme Court held that location data is protected under the state constitution. EPIC also filed a brief in In re U.S. Application for Historical Cell Site Data, where an appeals court held that users have no reasonable expectation of privacy in location records under the Fourth Amendment. The Massachusetts Supreme Court considered all three cases. For more information, see EPIC: Location Privacy.
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by Ryan Calo, A. Michael Froomkin,