AnnieWarnke

Jenner & Block Partner Adam Unikowsky has secured a landmark victory at the Supreme Court of the United States in Chatrie v. United States, with the Court holding by a 6-3 vote that accessing a person’s location data in the cloud is a “search” under the Fourth Amendment, requiring law enforcement to obtain a warrant satisfying the Constitution’s probable cause and particularity requirements. The Court remanded the case to the US Court of Appeals for the Fourth Circuit to determine whether the sp

On April 29, 2026, the US Supreme Court issued a unanimous opinion in First Choice Women’s Resource Centers, Inc. v. Davenport, No. 24-781, holding that a subpoena demanding information about a nonprofit’s donors injured the organization by burdening its First Amendment right to freedom of association. The Supreme Court held that the mere issuance of the subpoena, even though it had not yet been enforced by a court, injured First Choice for purposes of Article III standing. The Court reasoned th

On April 27, Partner Adam Unikowsky will argue before the Supreme Court of the United States in Chatrie v. United States. The matter centers on how the Fourth Amendment applies to geofence warrants—law enforcement tools that compel technology companies to produce location data for all users within a defined geographic area during a specified time period.

Jenner & Block, in partnership with The Legal Aid Society, has filed a federal class action lawsuit challenging the New York State Office of Children and Family Services' (OCFS) practice of subjecting youth to solitary confinement.