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:

    • Aug 13, 2026
    • Executive Power
    • Immigration

    Illinois v. Department of Transportation

    AG coalition and the governor of Pennsylvania sue to stop the Trump administration from seizing the names, dates of birth, and Social Security numbers of 17 million commercial drivers from a nationwide database.
    Read Lawsuit
    • Aug 13, 2026
    • Immigration
    • Executive Power

    Illinois v. Department of Homeland Security

    AG coalition sues to stop the Trump administration from seizing the names, dates of birth, and Social Security numbers of 17 million commercial drivers from a nationwide database.
    Read Lawsuit
    • Aug 11, 2026
    • Executive Power

    Oregon v. Office of the Comptroller of the Currency

    AG coalition sues the administration over its attempt to override state laws requiring mortgage lenders to pay homeowners interest on homeowners’ money that lenders hold in escrow for taxes and insurance.
    Read Lawsuit
    • Aug 10, 2026
    • Immigration

    United States v. Vermont

    The Department of Justice sues Vermont for state laws that provide in-state tuition and financial aid to undocumented students.
    Read Lawsuit
    • Aug 10, 2026
    • Immigration

    United States v. Connecticut

    The Department of Justice sues Connecticut for state laws that provide in-state tuition and financial aid to undocumented students.
    Read Lawsuit
    • Aug 10, 2026
    • Immigration

    United States v. New York

    The Department of Justice sues New York for state laws that provide in-state tuition and financial aid to undocumented students.
    Read Lawsuit
    • Aug 5, 2026
    • Executive Power

    New Mexico v. United States Department of Justice

    New Mexico AG sues Department of Justice for access to unredacted Epstein-related investigative files that the DOJ has withheld but which are critical to New Mexico’s investigation into alleged crimes at Jeffrey Epstein’s Santa Fe-based Zorro Ranch.
    Read Lawsuit
    • Aug 3, 2026
    • Executive Power
    • Consumer Protection

    Oregon v. Trump

    AG coalition and the governors of Kentucky and Pennsylvania sue the Trump administration for instituting another round of unlawful and arbitrary tariffs, these justified by an alleged desire to reduce forced labor as a pretext for this new illegal tariff scheme.
    Read Lawsuit
    • Aug 3, 2026
    • Funding Freeze
    • Immigration

    New York v. Administration for Children and Families

    AG coalition and the governors of Pennsylvania and Kentucky sue the Trump administration to block a notice relating to the Temporary Assistance for Needy Families program that authorizes the wholesale sharing of recipients’ most sensitive personal information with any federal, state, or private entity, including the Department of Homeland Security.
    Read Lawsuit
    • Jul 31, 2026
    • Healthcare

    California v. Kennedy

    AG coalition and the governor of Pennsylvania file a lawsuit to challenge a federal rule that would illegally undermine the Affordable Care Act and make health insurance more expensive.
    Read Lawsuit