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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- Feb 24, 2026
- Healthcare
- Executive Power
Arizona v. Kennedy
AGs sue the Trump administration over changes that stripped seven childhood vaccines — those protecting against rotavirus, meningococcal disease, hepatitis A, hepatitis B, influenza, COVID-19, and respiratory syncytial virus (RSV) — of their universally recommended status. The lawsuit also challenges Secretary Kennedy's unlawful replacement of the Advisory Committee on Immunization Practices (ACIP).Read Lawsuit -
- Feb 11, 2026
- Funding Freeze
- Healthcare
Illinois v. Vought
AGs sue the Trump administration for illegally planning to cut more than $600 million in Centers for Disease Control and Prevention (CDC) grants that fund essential public health infrastructure, as well as testing and treatment for lethal diseases like HIV.Read Lawsuit