FacultyFaculty/Author Profile

Catherine M. A. Carroll

Wilmer Cutler Pickering Hale and Dorr LLP

Washington, DC, USA

Catherine M. A. Carroll

Catherine Carroll is a partner in the firm's Litigation/Controversy Department, and a member of the Appellate and Supreme Court Litigation and Government and Regulatory Litigation Practice Groups. She joined the firm in 2005.


Ms. Carroll’s practice focuses on appellate litigation in the US Supreme Court and the federal courts of appeals. She has handled matters involving a wide range of issues of federal law, including constitutional and administrative law, federal preemption of state law, separation of powers and national security issues, intellectual property and criminal law. Ms. Carroll’s recent litigation practice has involved such diverse areas as tax law, insurance and reinsurance, ERISA, pharmaceutical regulation and bankruptcy. In addition, she frequently represents clients on a pro bono basis in cases raising significant issues of constitutional law and federal criminal procedure.

Apart from her appellate litigation experience, Ms. Carroll has played a key role in litigation in the federal district courts, focusing on dispositive motion practice in cases raising complex or novel legal questions.

Prior to joining the firm, Ms. Carroll served as a law clerk to Associate Justice David H. Souter of the United States Supreme Court. Previously, she clerked for The Honorable Harry T. Edwards of the United States Court of Appeals for the District of Columbia Circuit.


  • Litigation/Controversy
    • Appellate and Supreme Court Litigation
    • Government and Regulatory Litigation

JD, magna cum laude, University of Michigan Law School, 2002, Order of the Coif, Michigan Law Review, Campbell Moot Court winner

BA, Government, summa cum laude, College of William and Mary, 1998, Phi Beta Kappa

Bar Admissions

District of Columbia



The Hon. Harry T. Edwards, US Court of Appeals for the District of Columbia Circuit, 2003 - 2004

The Hon. David H. Souter, US Supreme Court, 2004 - 2005

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