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:

    • Jul 10, 2026
    • Education
    • Funding Freeze

    Washington v. United States Department of Education

    AG coalition sues the Department of Education to halt the effort to terminate grant programs that help schools hire mental health professionals.
    Read Lawsuit
    • Jul 7, 2026
    • Funding Freeze
    • Executive Power

    Washington v. Department of Housing and Urban Development

    AG coalition and the governors of Pennsylvania and Kentucky sue the Trump administration to block a cap on funding for permanent housing and set other unlawful conditions on Continuum of Care funds for people experiencing homelessness.
    Read Lawsuit
    • Jun 22, 2026
    • Executive Power
    • Military Occupation of US Cities
    • Immigration

    United States v. Russo

    The US Department of Justice sues the state of New York over recently passed state laws that prohibit local, state, and federal law enforcement officers from concealing their identity with masks while interacting with the public, requiring all officers to display clear identification, ensuring local law enforcement can remain focused on local community safety issues by prohibiting local governments and law enforcement agencies from entering into agreements to operate as immigration officers or to detain people solely for federal civil immigration violations, and prohibiting the use of public subsidies for civil immigration detention facilities.
    Read Lawsuit
    • Jun 11, 2026
    • Immigration
    • Executive Power
    • Military Occupation of US Cities

    United States v. Virginia

    The Department of Justice sues the state of Virginia for a state law prohibiting federal law enforcement from wearing facial coverings and working without visible identification.
    Read Lawsuit
    • May 31, 2026
    • Funding Freeze
    • Executive Power

    Renewable Northwest v. Hegseth

    AG coalition files Motion to Intervene in a lawsuit challenging the Department of Defense's unlawful freezing of routine reviews of land-based wind energy projects around the country.
    Read Lawsuit
    • May 19, 2026
    • Consumer Protection
    • Executive Power

    United States v. Minnesota

    The Commodity Futures Trading Commission sues Minnesota for banning prediction markets.
    Read Lawsuit
    • Apr 3, 2026
    • Democracy Protection/Voting Rights
    • Executive Power

    California v. Trump

    AG coalition and Pennsylvania governor Shapiro sue to block President Trump’s mail-in voting executive order.
    Read Lawsuit
    • Mar 23, 2026
    • DEI/Civil Rights
    • Funding Freeze
    • LGBTQ Rights
    • Immigration

    Massachusetts v. Department of Agriculture

    AG coalition sues challenging the Trump Administration’s attempt to impose new discriminatory conditions on U.S. Department of Agriculture (USDA) grants that would require federal funding recipients to comply with vague, hateful, and unrelated policies on immigration, gender ideology, transgender athletes, and diversity, equity, and inclusion.
    Read Lawsuit
    • Mar 20, 2026
    • Immigration

    New Jersey v. Immigration and Customs Enforcement

    New Jersey and the Township of Roxbury sue U.S. Immigration and Customs Enforcement and the U.S. Department of Homeland Security to halt their illegal plan to convert a vacant warehouse into a large-scale immigration detention facility.
    Read Lawsuit
    • Mar 11, 2026
    • Education
    • Funding Freeze

    Massachusetts v. Department of Education

    AG coalition sues the Trump Administration for demanding that higher education institutions provide detailed data on students that would jeopardize their privacy as well as leave institutions vulnerable to inadvertent errors and unreliable data, which could lead to costly penalties and baseless investigations into their practices.
    Read Lawsuit