Ongoing court cases and litigation

State attorneys general play a vital role in bringing litigation that defends the rule of law, protects the rights of residents, and upholds state and federal statutes.  

This page tracks ongoing lawsuits and legal actions led or joined by state AGs against the Trump administration — on topics ranging from civil rights and consumer protection to environmental justice and challenges to federal overreach. Here you’ll find case summaries, court filings, and the latest developments in high-impact litigation that reflect the evolving responsibilities of state attorneys general in today’s legal and political environment. 

Click here to see a full view of the litigation led by Progressive State AGs:

State Attorney General Federal Litigation Tracker

Selected Filters:

    • Jan 24, 2026
    • Military Occupation of US Cities
    • Executive Power

    Minnesota Bureau of Criminal Apprehension v. Noem

    Minnesota AG and the Hennepin County Attorney sue the Department of Homeland Security to require federal authorities to preserve evidence in the investigation of the killing of legal observer Alex Pretti during anti-ICE protests.
    Read Lawsuit
    • Jan 23, 2026
    • Environment/Climate

    California v. Pipelines and Hazardous Materials Safety Administration

    California AG files a Petition for Review of a Pipelines and Hazardous Materials Safety Administration federalization order that reopened oil pipelines off the coast without completed repairs and in violation of federal procedures and prior legal agreements.
    Read Lawsuit
    • Jan 16, 2026
    • Democracy Protection/Voting Rights
    • DEI/Civil Rights
    • Executive Power

    United States v. Beals, Virginia Commissioner of Elections

    The Department of Justice sues Virginia for that state's refusal to turn over sensitive voter data to the federal government.
    Read Lawsuit
    • Jan 13, 2026
    • LGBTQ Rights
    • Funding Freeze
    • DEI/Civil Rights

    New York v. Department of Health and Human Services

    AGs sue the Trump administration for unlawfully conditioning hundreds of billions of dollars in federal funding on states’ agreement to discriminate against transgender people.
    Read Lawsuit
    • Jan 12, 2026
    • Immigration
    • Military Occupation of US Cities
    • Executive Power

    Illinois v. Department of Homeland Security

    Illinois AG sues the Trump administration for deploying immigration enforcement agents to engage in unconstitutional raids and indiscriminate violence against residents in Chicago and across Illinois.
    Read Lawsuit
    • Jan 12, 2026
    • Immigration
    • Executive Power
    • Military Occupation of US Cities

    Minnesota v. Noem

    Minnesota AG sues the Trump administration over the surge of immigration enforcement personnel conducting militarized raids and illegal stops and arrests in the Twin Cities area.
    Read Lawsuit
    • Jan 9, 2026
    • Environment/Climate
    • Funding Freeze
    • Executive Power

    New York v. Burgum

    New York AG sues the Trump administration for the unlawful suspension of the Empire Wind energy project.
    Read Lawsuit
    • Jan 9, 2026
    • Environment/Climate
    • Funding Freeze
    • Executive Power

    New York v. Burgum (2)

    New York AG sues the Trump administration for the unlawful suspension of the Sunrise Wind energy project.
    Read Lawsuit
    • Jan 8, 2026
    • Funding Freeze
    • Healthcare
    • Executive Power

    New York v. Administration for Children and Families

    AGs sue the Trump administration for unlawfully freezing $10 billion in federal funds designated for food, housing, and child care as punishment for the states’ political leadership.
    Read Lawsuit
    • Jan 6, 2026
    • Democracy Protection/Voting Rights

    United States v. Fontes, Arizona Secretary of State

    The Trump administration sues the state of Arizona for refusing to hand over sensitive voter information to the federal government.
    Read Lawsuit