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:

    • Nov 4, 2025
    • Executive Power
    • Funding Freeze
    • Immigration

    Michigan v. Noem

    AGs sue the Department of Homeland Security and FEMA for imposing unlawful conditions on grants and imposing new barriers to states accessing emergency management dollars, disaster relief, and funds for police and emergency response personnel.
    Read Lawsuit
    • Oct 6, 2025
    • Military Occupation of US Cities
    • Executive Power

    Illinois v. Trump

    AG sues over the deployment of Illinois and Texas National Guard into Chicago for unlawful civilian law enforcement purposes.
    Read Lawsuit
    • Sep 30, 2025
    • Immigration
    • Executive Power
    • Funding Freeze

    New York v. Noem

    New York AG sues the Trump administration for unlawfully withholding tens of millions of dollars in security grant funding from the state because it refuses to use local law enforcement for federal immigration enforcement.
    Read Lawsuit
    • Sep 29, 2025
    • Immigration
    • Funding Freeze
    • Executive Power

    Illinois v. Noem

    AGs sue the Department of Homeland Security and FEMA for unlawfully cutting and withholding Homeland Security Grant Program funds distributed by FEMA from plaintiff states without explanation.
    Read Lawsuit
    • Sep 28, 2025
    • Military Occupation of US Cities
    • Executive Power

    Oregon v. Trump

    Oregon AG sues to block the Trump administration's unlawful and unconstitutional deployment of the National Guard to engage in civilian law enforcement in Portland.
    Read Lawsuit
    • Jul 16, 2025
    • Executive Power
    • Funding Freeze

    Washington v. FEMA

    AGs sue to block FEMA's illegal dismantling of the Building Resilient Infrastructure and Communities disaster preparedness program.
    Read Lawsuit
    • Jul 1, 2025
    • Healthcare
    • Executive Power
    • Funding Freeze
    • Privacy/Technology

    California v. Health and Human Services

    AGs sue the Department of Health and Human Services because it provided unfettered access to individual, confidential personal health data to the Department of Homeland Security for immigration enforcement purposes.
    Read Lawsuit
    • Jun 24, 2025
    • Funding Freeze
    • Executive Power

    New Jersey v. Office of Management and Budget

    AGs sue the Trump administration for unlawfully using an "agency priorities" clause in OMB regulations that the administration claims allows it to cut billions in congressionally appropriated federal funding to critical programs.
    Read Lawsuit
    • May 13, 2025
    • Immigration
    • Executive Power

    Illinois v. FEMA

    AGs sue FEMA and Department of Homeland Security because of threat to withhold critical federal dollars from states that do not use their local law enforcement resources for federal immigration enforcement.
    Read Lawsuit
    • Apr 23, 2025
    • Executive Power

    Oregon v. Trump

    AGs sue to rein in Trump's tariff actions, citing his imposing, modifying, escalating, and suspending tariffs by EO, memos, social media posts, and agency decrees.
    Read Lawsuit