Explore 25 court opinions on Third Party Doctrine. AI-powered plain English summaries, key holdings, and legal analysis.
25 recent cases analyzed in this topic area.
Cell phone data transmitted to third parties not protected by Fourth Amendment
United States v. Ullah, decided by Second Circuit on April 21, 2026, resulted in a defendant win outcome. The Second Circuit affirmed the district court's denial of the defendant's motion to suppress ...
Ninth Circuit: Ride-sharing data sharing ordinance doesn't violate Fourth Amendment
Uber Technologies, Inc. v. City of Seattle, decided by Ninth Circuit on March 4, 2026, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's grant of summary judgment to...
Warrantless CSLI Request Violates Fourth Amendment
Ex Parte Walter Eugene Naymola Jr. v. the State of Texas, decided by Texas Court of Appeals on February 25, 2026, resulted in a defendant win outcome. This case concerns the admissibility of evidence ...
Eighth Circuit: No privacy in cell phone location data after seizure
United States v. Alex Johnson, decided by Eighth Circuit on February 12, 2026, resulted in a defendant win outcome. The Eighth Circuit affirmed the district court's denial of Alex Johnson's motion to ...
Third Circuit: No Fourth Amendment privacy in cell phone location data to third parties
United States v. James Abrams, decided by Third Circuit on January 30, 2026, resulted in a defendant win outcome. The Third Circuit affirmed the district court's denial of James Abrams' motion to supp...
Eighth Circuit: No reasonable expectation of privacy in cell phone location data
United States v. Robbie Fetters, decided by Eighth Circuit on January 5, 2026, resulted in a defendant win outcome. The Eighth Circuit affirmed the district court's denial of Robbie Fetters' motion to...
No privacy in cell phone location data, court rules
United States v. Joseph Carpenter, decided by Seventh Circuit on December 23, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's denial of Joseph Carpenter's ...
Eleventh Circuit Affirms Cell Phone Search Incident to Arrest
United States v. Michael Prime, decided by Eleventh Circuit on November 4, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's denial of Michael Prime's motio...
Sixth Circuit: No Expectation of Privacy in Cell Site Location Data
United States v. Eskender Getachew, decided by Sixth Circuit on November 3, 2025, resulted in a defendant win outcome. The Sixth Circuit affirmed the district court's denial of the defendant's motion ...
Georgia Supreme Court: Warrantless GPS Tracking Violates Fourth Amendment
EVANS v. THE STATE (Two Cases), decided by Georgia Supreme Court on September 30, 2025, resulted in a mixed outcome. The Georgia Supreme Court addressed two consolidated cases concerning the admissibi...
Eleventh Circuit: No privacy in cell phone location data held by provider
United States v. Steven Berne Schmitz, decided by Eleventh Circuit on September 25, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's denial of Steven Berne...
Third Circuit: No warrant needed for cell-site data under third-party doctrine
United States v. James Perrin, decided by Third Circuit on August 25, 2025, resulted in a defendant win outcome. The Third Circuit affirmed the district court's denial of James Perrin's motion to supp...
Cell site data retention not a privacy interest, court rules
United States v. Michael Nowak, decided by Seventh Circuit on August 20, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's denial of Michael Nowak's motion t...
Third Circuit: No privacy expectation in cell phone data accessible by provider
United States v. Paul Harmon, decided by Third Circuit on August 14, 2025, resulted in a defendant win outcome. The Third Circuit affirmed the district court's denial of Paul Harmon's motion to suppre...
Eleventh Circuit: No Fourth Amendment violation for foreign bank records obtained via summons
United States v. Mark Gyetvay, decided by Eleventh Circuit on August 7, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's denial of Mark Gyetvay's motion to...
Eleventh Circuit: No reasonable expectation of privacy in cell site location data
United States v. Karl Patrick Kluge, decided by Eleventh Circuit on July 31, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's denial of Karl Patrick Kluge'...
8th Circuit: No privacy in cell site data; exigent circumstances justified phone search
United States v. Sharmake Abdullahi, decided by Eighth Circuit on July 21, 2025, resulted in a defendant win outcome. The Eighth Circuit affirmed the district court's denial of Sharmake Abdullahi's mo...
Ninth Circuit: No Fourth Amendment violation for historical CSLI data
United States v. Bryant, decided by Ninth Circuit on July 21, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's denial of a motion to suppress evidence obtaine...
Warrantless CSLI collection is a Fourth Amendment search, court rules
Travis LeBlanc v. United States Privacy and Civil Liberties, decided by D.C. Circuit on July 18, 2025, resulted in a reversed outcome. The core dispute centered on whether the government's warrantless...
Eleventh Circuit: No privacy expectation in cell phone data shared with third parties
United States v. Steven George Morgan, decided by Eleventh Circuit on July 11, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's denial of Steven George Mor...
Georgia Supreme Court: Warrantless GPS Tracking Violates Fourth Amendment
CHAPMAN v. THE STATE (Two Cases), decided by Georgia Supreme Court on July 1, 2025, resulted in a mixed outcome. The Georgia Supreme Court addressed two consolidated cases concerning the admissibility...
Warrantless Cell-Site Location Data Collection Violates Fourth Amendment
Travis LeBlanc v. United States Privacy and Civil Liberties, decided by D.C. Circuit on June 2, 2025, resulted in a reversed outcome. The core dispute involved whether the government's warrantless col...
Warrantless CSLI collection violates MA Declaration of Rights
COMMONWEALTH v. BRENDAN J. GARAFALO (And Nine Companion Cases), decided by Massachusetts Supreme Judicial Court on May 2, 2025, resulted in a mixed outcome. This case consolidated ten appeals concerni...
Seventh Circuit: No reasonable expectation of privacy in historical cell site location data
United States v. Carlos Estrada, decided by Seventh Circuit on April 28, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's denial of Carlos Estrada's motion ...
Seventh Circuit: No reasonable expectation of privacy in cell site location data
United States v. Carlos Estrada, decided by Seventh Circuit on April 28, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's denial of Carlos Estrada's motion ...