Warren T.  Allen  Profile Image

Warren Allen represents corporations and their officers, directors and employees in civil litigation and government enforcement actions, including investigations by the U.S. Department of Justice arising under the Foreign Corrupt Practices Act (FCPA).

A selection of Mr. Allen’s cases includes the following representations:

  • conducting internal investigations on behalf of multinational firms in the health care and technology sectors in connection with FCPA investigations, including investigations involving Angola, Argentina, Brazil, China, Mexico, Portugal, Romania, Russia, Saudi Arabia, Serbia, Spain, Taiwan, Thailand, Turkey and several other jurisdictions;
  • conducting an internal investigation on behalf of a bank in connection with an inquiry by the U.S. Commodity Futures Trading Commission into derivative benchmark rate manipulation and representing the bank in related class action litigation;
  • conducted an internal investigation on behalf of a bank in connection with an insider trading inquiry by the U.S. Securities and Exchange Commission (SEC). The SEC declined to bring an enforcement action against the firm or its traders;
  • conducted an investigation on behalf of the Council of the District of Columbia of then-D.C. Councilmember Marion Barry’s contract and grant award practices;
  • represented a former president of a foreign state before the U.S. Supreme Court, the U.S. Court of Appeals for the D.C. Circuit and the U.S. District Court for the District of Columbia in connection with an immunity claim. After prevailing before the District Court and D.C. Circuit, the U.S. Supreme Court denied certiorari;
  • obtained summary judgment for a real estate investment trust in a $22 million fraud and fiduciary duty suit against a broker;
  • obtained summary judgment for a class of real estate investors in a wrongful-takings case against the state of Maryland; and
  • settled claims against former corporate directors in a derivative action brought by a bankruptcy trustee.

Prior to attending law school, Mr. Allen served six years as a police officer, including an assignment to the detective bureau.

Mr. Allen also participates in a number of community service activities and pro bono representations. He is representing a member of the “Norfolk Four” in habeas corpus proceedings, served on the board of directors for the Washington Literacy Center, and served as a trustee for the Washington Lawyers’ Committee for Civil Rights and Urban Affairs. In 2013, Mr. Allen received the “Klepper Prize for Volunteer Excellence” from the Legal Aid Society of the District of Columbia for pro bono work on behalf of domestic violence survivors.


Skadden, Arps, Slate, Meagher & Flom LLP
1440 New York Avenue, N.W.
Washington , DC 20005

Fellow Year


Areas of Practice

Internal Investigations



Leadership Positions

Board Member, Washington Literacy Center 2012-2015; Trustee, Washington Lawyers' Committee for Civil Rights and Urban Affairs, 2010-present

Law School

Georgetown University Law Center

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