All Cases


262 Court Cases
Court Case
Sep 29, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Criminal Legal Reform|
  • +1 Issue

Colorado v. Gregg (Amicus)

The ACLU of Colorado filed an amicus brief with Spero Justice and Office of the Alternate Defense Counsel arguing that Colorado’s habitual sentencing scheme is unconstitutional.
Court Case
Sep 15, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Government Transparency|
  • +1 Issue

O’Connell v. Woodland Park School District (Amicus)

We participated as amicus in a case requesting the Colorado Supreme Court to provide clear guidance related to the judicially created “cure” doctrine that permits a state or local public body to ‘cure’ a prior violation of the Colorado Open Meetings Law by holding a subsequent complying meeting.
Court Case
Sep 15, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Freedom of Expression & Religion|
  • +1 Issue

Darren Patterson Christian Academy v. Roy, et al. (Amicus)

The ACLU of Colorado joined civil rights groups and religious organizations to file an Amicus Brief arguing that there is no Free Exercise Clause violation when a governmental body conditions a public benefit on a religion-neutral and generally applicable requirement.
Court Case
Aug 29, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Freedom of Expression & Religion|
  • +2 Issues

SeeWalker v. Vail

Danielle SeeWalker was selected as Vail’s summer 2024 Artist in Residence. But after she expressed her views on the humanitarian crisis in Gaza, Vail cancelled her residency. We sued Vail on behalf of Ms. SeeWalker for the town's unconstitutional viewpoint-based discrimination and retaliation.
Court Case
Aug 28, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Immigrant Justice|
  • +3 Issues

ACLU, et al. v. U.S. Immigration and Customs Enforcement

The American Civil Liberties Union and ACLU of Colorado filed a lawsuit against ICE to obtain records regarding the agency’s potential plans to expand immigration detention across Colorado and Wyoming.
Court Case
Jun 12, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Racial Justice|
  • +3 Issues

Ruby Johnson v. Gary Staab and Gregory Buschy of the Denver Police Department

We sued two Denver Police Officers for searching our client's home based on an illegal search warrant lacking probable cause.
Court Case
May 7, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Immigrant Justice|
  • +1 Issue

D.B.U. et al. v. Donald J. Trump et al.

The ACLU of Colorado filed an emergency class action lawsuit in the U.S. District Court for the District of Colorado to halt removals of Coloradans under the Alien Enemies Act.
Court Case
Apr 7, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Immigrant Justice

J.P.P. v. DHS, et al.

The ACLU of Colorado filed a lawsuit to halt the illegal deportation of J.P.P., a Venezuelan asylum seeker, to El Salvador.
Court Case
Mar 25, 2025
In the Courts, ACLU of Colorado logo on a blue background with a woman holding the scales of justice.
  • Voting Rights

Citizens Project et al. v. City of Colorado Springs

The ACLU of Colorado and the ACLU’s Voting Rights Project joined a lawsuit challenging Colorado Springs’ unusual election timing, which violates many of its minority citizens’ rights.