Constitutional Accountability Center Constitutional Accountability Center

Fulfilling the progressive promise of the Constitution’s text and history

CAC is working in the courts, with elected leaders, and with legal scholars to preserve the rights and freedoms of all in America, and to protect the integrity of our judiciary.
Learn More
i
United States Constitution | National Archives and Records Administration

What's New at CAC

See highlights from CAC’s recent work, including media appearances, ongoing litigation, newly published scholarship, and upcoming events.

Access to Justice
U.S. Supreme Court

Martin v. United States

In Martin v. United States, the Supreme Court is considering whether the Supremacy Clause overrides the Federal Tort Claims Act (FTCA)’s express waiver of sovereign immunity when a federal employee’s actions “have some nexus with...
Rule of Law
U.S. Court of Appeals for the Ninth Circuit

Pacito v. Trump

In Pacito v. Trump, the Ninth Circuit is considering whether the Trump administration’s unilateral decision to dismantle the United States Refugee Assistance Program (USRAP), including by suspending all USRAP funding, violates federal law and the...
Corporate Accountability
U.S. Court of Appeals for the Third Circuit

Novartis v. Secretary United States Department of Health and Human Services

In Novartis v. Secretary United States Department of Health and Human Services, the United States Court of Appeals for the Third Circuit is considering whether the Inflation Reduction Act’s Medicare drug price negotiation program is...

Our Latest Work

Rule of Law
U.S. Court of Appeals for the Ninth Circuit

Pacito v. Trump

In Pacito v. Trump, the Ninth Circuit is considering whether the Trump administration’s unilateral decision to dismantle the United States Refugee Assistance Program (USRAP), including by suspending all USRAP funding, violates federal law and the...
Access to Justice
U.S. Supreme Court

Martin v. United States

In Martin v. United States, the Supreme Court is considering whether the Supremacy Clause overrides the Federal Tort Claims Act (FTCA)’s express waiver of sovereign immunity when a federal employee’s actions “have some nexus with...
Rule of Law
March 13, 2025

March 2025 Newsletter: Ongoing Challenges and New Victories
Civil and Human Rights
U.S. District Court for the District of Columbia

Talbott v. Trump

In Talbott v. Trump, the United States District Court for the District of Columbia is considering whether Trump’s Executive Order categorically barring transgender persons from serving in the military is unconstitutional. 
Rule of Law
U.S. District Court for the District of Columbia

Harris v. Bessent

In Harris v. Bessent, the United States District Court for the District of Columbia considered whether Trump’s firing of Merit Systems Protection Board Chair Cathy Harris was illegal. 
Rule of Law
U.S. District Court for the District of Columbia

AIDS Vaccine Advocacy Coalition v. Department of State and Global Health Council v. Trump

In AIDS Vaccine Advocacy Coalition v. Department of State and Global Health Council v. Trump, the United States District Court for the District of Columbia is considering whether the Trump administration’s unilateral decision to freeze...

Issues We Work On

CAC's work addresses many of the most important topics in modern constitutional and federal law.
Access to Justice
Civil and Human Rights
Corporate Accountability
Criminal Law
Environmental Protection
Federal Courts and Nominations
Health Care
Immigration and Citizenship
Rule of Law
Voting Rights and Democracy

Our Latest Cases

Great Hall of the Supreme Court of the United States | Phil Roeder, Flickr (CC BY 2.0)

CAC pursues a litigation strategy unique among progressive legal organizations by relying on the Constitution’s text and history. Our powerful amicus briefs provide invaluable arguments to Supreme Court Justices, legal scholars, and fellow advocates. Our clients include current and former bipartisan Members of Congress, state and local officials, law professors, and various nonprofit organizations. CAC’s efforts help to secure important legal victories in the Supreme Court, lower federal courts, and state supreme courts.

See More CAC Cases

From Our Think Tank

See More From Our Think Tank
The result of the Fifteenth Amendment | Library of Congress (Public Domain)

CAC produces scholarship showing that the Constitution’s text and history command progressive results. We publish comprehensive accounts of some of the most important and contentious topics in modern constitutional and federal law through issue briefs, white papers, insights, and our think tank series. Our legal experts also inform public discussion around these topics by giving written and oral testimony in congressional committee hearings.

The Arc of Constitutional Progress

The Constitution is, in its most vital respects, a progressive document, written by revolutionaries and amended by We the People who prevailed in the most tumultuous social upheavals of our Nation’s history. Explore the rich history of our Constitution, from the Founding to Reconstruction and beyond.
View the Timeline

Celebrating our Nation's Second Founding

Learn more about the transformational Amendments — the Thirteenth, Fourteenth, and Fifteenth — passed during Reconstruction, that helped give our nation what President Lincoln promised at Gettysburg, "a new birth of freedom."
Learn More