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 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
    • Dec 23, 2025
    • LGBTQ Rights

    Oregon v. Kennedy

    AGs filed a complaint challenging the HHS declaration that claims gender-affirming care fails to meet professionally recognized standards of care and therefore HHS can disqualify doctors or hospitals providing such care from Medicare and Medicaid.
    Read Lawsuit
    • Dec 22, 2025
    • Consumer Protection
    • Executive Power

    New York v. Vought

    AGs sue to stop the Trump administration from completely defunding the Consumer Financial Protection Bureau.
    Read Lawsuit
    • Dec 16, 2025
    • Environment/Climate
    • Funding Freeze

    California v. Department of Transportation

    AGs sue the Department of Transportation for the indefinite suspension of $1.8 billion in electric vehicle charging infrastructure.
    Read Lawsuit
    • Dec 12, 2025
    • Immigration

    California v. Noem

    AGs sue the Trump administration for imposing a $100,000 supplemental fee on H-1B visa petitions.
    Read Lawsuit
    • Dec 11, 2025
    • Environment/Climate
    • Executive Power

    Rhode Island v. Department of the Interior

    AGs file suit against the Department of the Interior over the sudden and unlawful cancellation of the "Revolution Wind" offshore wind project, despite it being nearly complete and on-schedule to launch in 2026 to provide energy for as many as 350,000 Rhode Island and Connecticut households.
    Read Lawsuit
    • Dec 2, 2025
    • Democracy Protection/Voting Rights

    United States v. Rhode Island

    The Department of Justice sues Rhode Island for the state's refusal to hand sensitive voter data over to the federal government.
    Read Lawsuit
    • Nov 26, 2025
    • Funding Freeze

    New York v. Rollins

    AGs sue the Department of Agriculture for issuing new SNAP guidance that illegally restricts program eligibility for lawful permanent residents.
    Read Lawsuit
    • Nov 25, 2025
    • Funding Freeze

    Washington v. United States Department of Housing and Urban Development

    AGs sue the Department of Housing and Urban Development for adopting new policies that limit access to housing funds for people who are transgender, struggling with mental illness or substance use disorder, or live in a jurisdiction with homelessness policy that the federal government disagrees with.
    Read Lawsuit
    • Nov 3, 2025
    • Education

    Massachusetts v. Department of Education

    AGs sue the Department of Education to block a new rule that strips Public Service Loan Forgiveness eligibility from people whose work is disfavored by the Trump administration, including supporting immigrant rights, DEI, and gender-affirming care.
    Read Lawsuit