United States — Chatrie v. United States (Fourth Amendment protection for location data / geofence warrants)
United States · Chatrie v. United States (Fourth Amendment protection for location data / geofence warrants)
The U.S. Supreme Court ruled that people have a Fourth Amendment expectation of privacy in smartphone location data, holding that government access to such data (including via geofence warrants) is a search requiring constitutional protection.
Technical detail
The U.S. Supreme Court ruled that people have a Fourth Amendment expectation of privacy in smartphone location data, holding that government access to such data (including via geofence warrants) is a search requiring constitutional protection.
Who is protected: People subject to the measure.
Who must comply: United States
Key facts
| Jurisdiction | United States |
|---|---|
| Level | Federal |
| Status | Blocked / in litigation |
| Protection strength | Limited protection |
| Citation | Chatrie v. United States (Fourth Amendment protection for location data / geofence warrants) |
| Topics | consumer data privacy · police and surveillance AI · government use of AI |
| Last verified | 2026-07-01 |
| Official source | Victory! Supreme Court Says Constitution Protects People's Location Data ↗ |
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