Over several decades, Mr. Corcoran has helped leaders in public life and business navigate sensitive and complex legal issues. These engagements included white collar criminal matters and complex civil litigation. They often involved historic legal questions of first impression and were subject to intense international scrutiny. Because of his experience, technical skill, judgment, and reputation for integrity, Mr. Corcoran has been retained to represent, for instance, a President of the United States, a top U.S. Department of Justice official, and the first senior presidential advisor ever indicted for contempt of Congress, as well as organizations that are the benchmark in their fields. 

  • Georgetown Law - J.D. - 1991

    cum laude
    Notes & Comments Editor, Georgetown Journal of International Law

  • Princeton University - B.A. - 1986
Practice Areas
  • Appellate / Civil Appeals
  • Criminal Defense-White Collar
  • General Civil Litigation
  • Business Litigation
Significant Cases
Leaders in business and public life have turned to Mr. Corcoran to help them navigate the most challenging lawsuits and investigations.

A former federal prosecutor, Mr. Corcoran’s notable representations include:

  • A President of the United States in civil litigation and criminal grand jury investigations;
  • A top United States Department of Justice official in civil proceedings that challenged his official acts;
  • Trial counsel for the first senior presidential advisor charged with contempt of Congress trial;
  • A leading insurance company, after the destruction of the World Trade Center, in trials where billions of dollars of insurance proceeds were at stake;
  • Computer Sciences Corporation, in a successful effort to recover hundreds of millions owed to it by a federal agency under a government contract;
  • Booz Allen Hamilton, in a successful effort to avoid federal debarment and update its internal investigation policies and procedures;
  • The Audit Committee of Omnicare, at the time the largest US pharmaceutical care company in the United States, in a successful effort to navigate business and accounting questions presented in the context of multiple civil lawsuits and state and federal investigations.
  • Verizon, in the successful defense of a nine-figure consumer class action lawsuit in Hawaii, which ended with the dismissal of all claims;T-Mobile, in the civil lawsuit accompanying the United States Department of Justice action to enjoin its merger with AT&T;
  • Corporate officials, in some of the largest federal antitrust investigations – the Air Cargo and LIBOR investigations—such that they avoided all liability.
Government Service

1992 – 2000: U.S. Attorney’s Office, Washington, DC. As an AUSA, Mr. Corcoran tried more than 30 jury trials, and presented 20 appellate oral arguments, and investigated scores of complex criminal matters. He spent one year detailed to the US Attorney’s Office in the Eastern District of Virginia, trying obstruction of justice, homicide, and conspiracy cases. For his work, he received special achievement awards, as well as commendations from head of the FBI, and the Attorney General of the United States.

1987 – 1992: U.S. House of Representatives, Appropriations Committee, Washington, DC. As the assistant to the ranking member of a subcommittee, Mr. Corcoran participated in all aspects of the legislative, appropriations, and oversight processes.

  • Outstanding Achievement Award – presented by the Washington Lawyers Committee for Civil Rights for representation of disabled riders in landmark class action case involving the Washington Area Metro Transit Authority.
  • Environmental Award – presented by the Natural Resources Council of Maine, for representation in successful lawsuit to restore the Kennebec River watershed.
  • "Foreign Investment and Corporate Control in Japan," 22 Law & Policy Int’l Bus. 333 (1991).
  • "Terrorism in 19th Century Russia and Ireland," Princeton Thesis (1986).
Professional and Bar Association Memberships
  • American Bar Association

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