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’s 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 Ƶfiled 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 – but only one – 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

Doe v. DHS
California
Jan 2026

Privacy & Technology

Free Speech

Doe v. DHS

On February 2, 2026, the ACLU, Ƶof Northern California, and the Ƶof Pennsylvania filed a motion in federal court to quash a Department of Homeland Security (“DHS”) administrative subpoena seeking Google subscriber records about our client, solely because he engaged in constitutionally protected speech criticizing DHS conduct.
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Doe V. Dhs. Explore Case.
California
Jan 2026
Doe v. DHS

Privacy & Technology

Free Speech

Doe v. DHS

On February 2, 2026, the ACLU, Ƶof Northern California, and the Ƶof Pennsylvania filed a motion in federal court to quash a Department of Homeland Security (“DHS”) administrative subpoena seeking Google subscriber records about our client, solely because he engaged in constitutionally protected speech criticizing DHS conduct.
Doe V. Dhs. Explore Case.
U.S. DOGE Service Access to Sensitive Agency Records Systems Multiagency FOIA
Court Case
Dec 2025

Privacy & Technology

U.S. DOGE Service Access to Sensitive Agency Records Systems Multiagency FOIA

There are serious privacy concerns raised by reports that the United States DOGE (“Department of Government Efficiency”) Service (“USDS”) has gained access to federal agency systems, including those housing sensitive information like federal payment data, student loan data or federal employee records, and may be using artificial intelligence technology in analyzing them. The Ƶsubmitted a FOIA request to more than 40 federal agencies to provide the public with information on what federal records the agencies have provided to or been asked for by the USDS and if sensitive information and key decision-making has been outsourced to unvetted technology.
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U.s. Doge Service Access To Sensitive Agency Records Systems Multiagency Foia. Explore Case.
Court Case
Dec 2025
U.S. DOGE Service Access to Sensitive Agency Records Systems Multiagency FOIA

Privacy & Technology

U.S. DOGE Service Access to Sensitive Agency Records Systems Multiagency FOIA

There are serious privacy concerns raised by reports that the United States DOGE (“Department of Government Efficiency”) Service (“USDS”) has gained access to federal agency systems, including those housing sensitive information like federal payment data, student loan data or federal employee records, and may be using artificial intelligence technology in analyzing them. The Ƶsubmitted a FOIA request to more than 40 federal agencies to provide the public with information on what federal records the agencies have provided to or been asked for by the USDS and if sensitive information and key decision-making has been outsourced to unvetted technology.
U.s. Doge Service Access To Sensitive Agency Records Systems Multiagency Foia. Explore Case.
State v. Kern
Oregon Supreme Court
Sep 2025

Privacy & Technology

Criminal Law Reform

State v. Kern

This case presents the question whether Oregonians retain a state constitutional privacy interest in their medical records, even when those records are held by health care providers. It could have important implications for patients who obtain abortions, gender-affirming care, and other health care that might be targeted by local or out-of-state law enforcement.
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State V. Kern. Explore Case.
Oregon Supreme Court
Sep 2025
State v. Kern

Privacy & Technology

Criminal Law Reform

State v. Kern

This case presents the question whether Oregonians retain a state constitutional privacy interest in their medical records, even when those records are held by health care providers. It could have important implications for patients who obtain abortions, gender-affirming care, and other health care that might be targeted by local or out-of-state law enforcement.
State V. Kern. Explore Case.
The TikTok logo.
U.S. Supreme Court
Jul 2025

Privacy & Technology

+2 Ƶ

TikTok Inc., et al. v. Garland (Amicus)

The Supreme Court will decide whether a law that effectively bans TikTok in the United States violates the First Amendment rights of more than 170 million Americans who use the social media platform. The law also allows the President to ban other foreign-owned apps deemed a national security threat, opening the door to future abuse and censorship. The ban on TikTok is set to go into effect on January 19, 2025.
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Tiktok Inc., Et Al. V. Garland (amicus). Explore Case.
U.S. Supreme Court
Jul 2025
The TikTok logo.

Privacy & Technology

+2 Ƶ

TikTok Inc., et al. v. Garland (Amicus)

The Supreme Court will decide whether a law that effectively bans TikTok in the United States violates the First Amendment rights of more than 170 million Americans who use the social media platform. The law also allows the President to ban other foreign-owned apps deemed a national security threat, opening the door to future abuse and censorship. The ban on TikTok is set to go into effect on January 19, 2025.
Tiktok Inc., Et Al. V. Garland (amicus). Explore Case.
U.S. DOGE Service Access to Sensitive Agency Records Systems FOIA
Court Case
Feb 2025

Privacy & Technology

U.S. DOGE Service Access to Sensitive Agency Records Systems FOIA

There are serious privacy concerns raised by reports that the United States DOGE (“Department of Government Efficiency”) Service (“USDS”) has gained access to federal agency systems, including those housing sensitive information like federal payment data, student loan data or federal employee records, and may be using artificial intelligence technology in analyzing them. The Ƶsubmitted a FOIA request to the Office of Personnel Management (OPM) and USDS to provide the public with information on what federal records the agencies have provided to or been asked for by the USDS and if sensitive information and key decision-making has been outsourced to unvetted technology.
Explore case
U.s. Doge Service Access To Sensitive Agency Records Systems Foia. Explore Case.
Court Case
Feb 2025
U.S. DOGE Service Access to Sensitive Agency Records Systems FOIA

Privacy & Technology

U.S. DOGE Service Access to Sensitive Agency Records Systems FOIA

There are serious privacy concerns raised by reports that the United States DOGE (“Department of Government Efficiency”) Service (“USDS”) has gained access to federal agency systems, including those housing sensitive information like federal payment data, student loan data or federal employee records, and may be using artificial intelligence technology in analyzing them. The Ƶsubmitted a FOIA request to the Office of Personnel Management (OPM) and USDS to provide the public with information on what federal records the agencies have provided to or been asked for by the USDS and if sensitive information and key decision-making has been outsourced to unvetted technology.
U.s. Doge Service Access To Sensitive Agency Records Systems Foia. Explore Case.
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