Carmen Longoria-Green is a Litigation & Dispute Resolution associate in Mayer Brown’s Washington DC office and a member of the firm’s Supreme Court & Appellate practice. She focuses on appellate litigation and dispositive motions in trial court. Her experience includes litigating the enforceability of arbitration agreements, particularly in the employment and consumer context; briefing the limits on personal jurisdiction imposed by the Supreme Court’s decision in Bristol-Myers Squibb Co. v. Superior Court of California and the requirements for standing expressed by the Court in Spokeo, Inc. v. Robins; and litigating complex legal questions in the areas of toxic torts and insurance defense. She also has worked on cases involving the Anti-Terrorism Act, the Federal Tort Claims Act, the Fair Labor Standards Act, the Securities Exchange Act, employment discrimination under Title VII and the Equal Pay Act, and challenges of government contract awards. Carmen has filed numerous briefs in the US Supreme Court, federal and state appellate courts, and trial courts around the country.

Prior to joining Mayer Brown, Carmen spent several years litigating civil-rights cases in state and federal court at a small nonprofit. Carmen clerked for Judge Henry F. Floyd of the US Court of Appeals for the Fourth Circuit, Judge Theodore D. Chuang of the US District Court for the District of Maryland and Judge Phyllis D. Thompson of the DC Court of Appeals. She received her law degree, magna cum laude, from Georgetown University Law Center, where she served as Senior Articles Editor of the American Criminal Law Review and was national champion in the ABA Appellate Advocacy Competition, the largest domestic moot court tournament in the country.


Georgetown University Law Center, JD, magna cum laude

Patrick Henry College, BA, summa cum laude


  • District of Columbia
  • Virginia