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:
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- Mar 16, 2026
- DEI/Civil Rights
- Funding Freeze
Illinois v. Department of Housing and Urban Development
AG coalition sues the Trump administration over guidance it issued that significantly weakens fair housing protections and makes it harder to hold landlords accountable for discrimination.Read Lawsuit -
- Mar 5, 2026
- Executive Power
- Consumer Protection
Oregon v. Trump
AG coalition plus the governors of Pennsylvania and Kentucky sue the Trump administration for imposing global tariffs that do not fall within the limited circumstances required by the relevant statute.Read Lawsuit -
- Feb 3, 2026
- Funding Freeze
New Jersey v. Department of Transportation
New Jersey and New York AGs sued the Trump administration for illegally withholding $15 billion in federal funding for the Gateway project to provide new tunnels and rehabilitate the Hudson River rail crossing connecting the two states.Read Lawsuit -
- Jan 9, 2026
- Environment/Climate
- Funding Freeze
- Executive Power
New York v. Burgum (1)
New York AG sues the Trump administration for the unlawful suspension of the Empire Wind energy project.Read Lawsuit -
- Dec 29, 2025
- Education
- Immigration
United States v. Virginia
The Department of Justice sued Virginia for providing in-state tuition to certain undocumented students.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 2, 2025
- Democracy Protection/Voting Rights
United States v. Amore, Rhode Island Secretary of State
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 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 -
- 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