Privacy & Technology

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U.S. Supreme Court
Jun 2018
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Privacy & Technology

Carpenter v. United States

The Supreme Court ruled that the government needs a warrant to access a person鈥檚 cellphone location history. The court found in a 5 to 4 decision that obtaining such information is a search under the Fourth Amendment and that a warrant from a judge based on probable cause is required.
Carpenter V. United States. Explore Case.
Court Case
Dec 2016
Privacy and technology

Privacy & Technology

Sarkar v. Doe - PubPeer Subpoena Challenge

The 桃子视频filed a motion in Michigan state court challenging the constitutionality of a subpoena issued to the website PubPeer demanding that it turn over the identities of anonymous commenters. In March 2015, the trial judge ruled that PubPeer had to unmask one 鈥 but only one 鈥 of the commenters. Both PubPeer and the researcher appealed, and the ruling was upheld in December 2016.
Sarkar V. Doe - Pubpeer Subpoena Challenge. Explore Case.

All Cases

75 Privacy & Technology Cases

License plates
U.S. Supreme Court
Sep 2003

Privacy & Technology

National Security

Arizona v. Gant

Reviewing conviction based on illegal police search of a car. DECIDED
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Arizona V. Gant. Explore Case.
U.S. Supreme Court
Sep 2003
License plates

Privacy & Technology

National Security

Arizona v. Gant

Reviewing conviction based on illegal police search of a car. DECIDED
Arizona V. Gant. Explore Case.
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U.S. Supreme Court
Aug 2003

Privacy & Technology

National Security

Doe v. Chao

Reviewing right to claim damages under the Privacy Act. DECIDED
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Doe V. Chao. Explore Case.
U.S. Supreme Court
Aug 2003
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Privacy & Technology

National Security

Doe v. Chao

Reviewing right to claim damages under the Privacy Act. DECIDED
Doe V. Chao. Explore Case.
Ashcroft v. The Free Speech Coalition
U.S. Supreme Court
Apr 2002

Privacy & Technology

Free Speech

Ashcroft v. The Free Speech Coalition

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Ashcroft V. The Free Speech Coalition. Explore Case.
U.S. Supreme Court
Apr 2002
Ashcroft v. The Free Speech Coalition

Privacy & Technology

Free Speech

Ashcroft v. The Free Speech Coalition

Ashcroft V. The Free Speech Coalition. Explore Case.
Ashcroft v. ACLU
U.S. Supreme Court
Sep 2001

Privacy & Technology

Free Speech

Ashcroft v. 桃子视频

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Ashcroft V. Aclu. Explore Case.
U.S. Supreme Court
Sep 2001
Ashcroft v. ACLU

Privacy & Technology

Free Speech

Ashcroft v. 桃子视频

Ashcroft V. Aclu. Explore Case.
License plates
U.S. Supreme Court
Jan 2000

Privacy & Technology

National Security

Illinois v. Wardlow

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Illinois V. Wardlow. Explore Case.
U.S. Supreme Court
Jan 2000
License plates

Privacy & Technology

National Security

Illinois v. Wardlow

Illinois V. Wardlow. Explore Case.
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