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 28, 2025
    • Executive Power
    • Funding Freeze

    Massachusetts v. United States Department of Agriculture

    AGs sue the Department of Agriculture for its unlawful refusal to fund SNAP benefits during the government shutdown.
    Read Lawsuit
    • Oct 16, 2025
    • Environment/Climate
    • Funding Freeze
    • Executive Power

    Maryland Clean Energy Center v. United States

    AGs sue the Trump administration in the Court of Federal claims for the illegal termination of competitive grants under the "Solar for All" zero-emissions technologies program.
    Read Lawsuit
    • Oct 16, 2025
    • Environment/Climate
    • Executive Power
    • Funding Freeze

    Arizona v. EPA

    AGs sue the Environmental Protection Agency over the unilateral and illegal termination of the "Solar for All" program designed to bring low-cost solar energy to over 900,000 households in low-income and disadvantaged communities.
    Read Lawsuit
    • Jul 29, 2025
    • Healthcare
    • Reproductive Rights

    California v. Department of Health and Human Services

    AGs sue to block the unconstitutional "Defund Provision" of the 2025 reconciliation law that forbids state from using Medicaid dollars to pay for healthcare services provided at Planned Parenthood health centers.
    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 14, 2025
    • Funding Freeze
    • Education

    California v. McMahon

    AGs sue over funding freeze for programs administered by Department of Education.
    Read Lawsuit
    • Apr 29, 2025
    • Executive Power

    Maryland v. Corporation for National and Community Service (AmeriCorps)

    AGs sue to stop Trump's unilateral dismantling and dissolution of AmeriCorps.
    Read Lawsuit
    • Apr 1, 2025
    • Funding Freeze
    • Executive Power
    • Healthcare

    Colorado v. Department of Health and Human Services

    AGs sue to block the Department of Health and Human Services' abrupt cancellation of $11 billion in critical public health funding.
    Read Lawsuit
    • Feb 10, 2025
    • Executive Power

    Massachusetts v. National Institutes of Health

    AGs sue to stop NIH's funding cuts for indirect grantee and administrative costs.
    Read Lawsuit