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Litigation and Amicus Briefs on Abuses of Executive Power

The Brennan Center and other key voices are addressing executive overreach in the courts.

Published: August 13, 2025

Alien Enemies Act

Brennan Center Briefs

W.M.M. v. Trump
in partnership with the Cato Institute
June 2, 2025

Birthright Citizenship

Other Critical Briefs

New Hampshire Indonesian Community Support et al. v. Trump
by historians Kate Masur and Martha Jones
June 4, 2025

Doe v. Trump
by historians Kate Masur and Martha Jones
May 28, 2025

New Jersey v. Trump
by historians Kate Masur and Martha Jones
May 28, 2025

Federal Agencies

Other Critical Briefs

National Treasury Employees Union v. Vought
by 16 former Consumer Financial Protection Bureau officials 
May 9, 2025

Federal Funding

Brennan Center Briefs

New York v. Trump
in partnership with the Complex Litigation Group LLP
July 25, 2025

Other Critical Briefs

by Former Executive Branch Officials
by Professor Ilya Somin
by Professor Samuel R. Bagenstos
by Dr. Arati Prabhakar
by Legal Scholars of Federal Courts and Jurisdiction
by U.S. Conference of Mayors
by Natural Resources Defense Council
by The Constitutional Accountability Center
July 25, 2025

International Emergency Economic Powers Act (IEEPA)

Brennan Center Briefs

Emily Ley Paper et al., v. Trump
May 12, 2025

State of California et al., v. Trump et al,
Northern District Court of California
May 20, 2025
U.S. Court of Appeals for the Ninth Circuit
July 7, 2025

V.O.S. Selections, Inc. v. Trump
July 8, 2025

Learning Resources, Inc., and Hand2Mind, Inc. v. Trump, et al.
July 28, 2025

Voting

Brennan Center Briefs

State of Washington and State of Oregon v. Trump
July 22, 2025