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Christian G. Vergonis (Chris)


(T) +1.202.879.3914
(F) +1.202.626.1700


  • Harvard University (J.D. cum laude 1995; Supreme Court Editor, Harvard Law Review; Member of Winning Team, Ames Moot Court Competition; B.A. cum laude 1992)

Bar Admissions

  • District of Columbia, New York, and Florida


  • Law Clerk to the Honorable J. Daniel Mahoney, U.S. Court of Appeals, Second Circuit (1995-1996)

Chris Vergonis has more than 20 years of experience as a trial and appellate lawyer focusing on the representation of businesses and trade associations in constitutional, statutory, and regulatory litigation against the United States and other governmental entities. He has argued cases in the United States Supreme Court, the U.S. Courts of Appeals, and the federal district courts.

Chris recently prevailed before the Supreme Court in Simmons v. Himmelreich, a case concerning the circumstances under which the "judgment bar" of the Federal Tort Claims Act (FTCA) precludes a constitutional tort action against federal officers. Other recent undertakings include assisting clients in connection with rulemakings by the FDA and the CFPB; litigating a successful separation-of-powers challenge to the authority of the Public Company Accounting Oversight Board; challenging local labor and environmental regulations as pre-empted by federal law; assisting a foreign bank in a regulatory dispute with the U.S. Treasury Department; challenging commercial advertising restrictions under the First Amendment; and representing plaintiffs (including biotechnology and pharmaceutical companies) in lawsuits against the United States and its agencies under the Administrative Procedure Act (APA), the FTCA, and the U.S. Constitution.

Chris has written or coauthored several articles and white papers on constitutional law and statutory interpretation and previously served as the publications chair of the Administrative Law & Regulation Section of the Federalist Society.

Christian Vergonis Chris