David Deitch


  • Brown University, BA
  • New York University, JD



David Deitch

David Deitch is the principal partner in the firm’s Northern Virginia office.  He is a renowned trial attorney who has tried more than 100 jury trials to verdict in federal and state courts around the nation with an overwhelming record of success.

Mr. Deitch specializes in litigation where the skills of trial counsel are at a premium, defending individuals and companies in criminal and regulatory matters and representing both plaintiffs and defendants in business disputes.  His clients have included financial service firms, defense contractors, media companies, private individuals and entrepreneurs.

Mr. Deitch was an Assistant United States’ Attorney for the District of Columbia (1999-2003), and then served in the Counterterrorism Section in the National Security Division of the U.S. Department of Justice (2003-2007).  In that position, he was the Regional Anti-Terrorism Advisory Council Coordinator for the Western Region, responsible for coordinating counterterrorism investigations and prosecutions for 17 US Attorney’s Offices.  Mr. Deitch was lead counsel on two of the Department of Justice’s most prominent counterterrorism trials and was the Department’s Domestic Terrorism Coordinator responsible for nationwide coordination of domestic terrorism investigations and prosecutions.  In 2004, he was awarded the Assistant Attorney General’s Award for Advancing National Security.

Prior to joining the Department of Justice, Mr. Deitch served as a prosecutor in Robert Morgenthau’s Manhattan District Attorney’s Office (1992-1995), and in the Office of Independent Counsel (1998-1999).  He graduated from Brown University, with honors, in 1985, and received his law degree from New York University in 1988.

Mr. Deitch’s recent trial victories and significant representations include:

  • The complete dismissal of export control charges brought by the US Attorney’s Office in Washington, DC against a South Korean exporter, including a landmark ruling on the seizure of a laptop at customs;
  • Successful defense of an international consulting firm suspected of violating the Foreign Corrupt Practices Act in connection with a contract in Dubai; the representation concluded with no charges being filed against the consulting firm;
  • Defense of a former employee of the Blackwater consulting firm for alleged export control violations arising out of training provided to foreign soldiers deployed in Iraq; the representation concluded with no charges being filed against the client;
  • Dismissal of civil allegations against a media company sued in federal court in New York for allegedly violating the terms of a note and security agreement; the dismissal included an award of attorneys’ fees for the client;
  • Successful representation of a client indicted in New York state court with enterprise corruption, a class B felony; the case was resolved with a plea to a class B misdemeanor – the lowest level criminal offense in the New York state code;
  • Trial victory over the SEC in the defense of a prominent financial broker in which the jury in federal court in New York found in favor of the client on all fraud charges;
  • Winning a $20 million jury award for the Learning Annex in federal court in New York, and then, after a new trial was awarded on damages, winning a larger verdict of $21.8 million on re-trial against one of New York’s most prominent defense firms; and
  • Prevailed in a sentencing hearing in federal court in Alexandria, Virginia, in which prosecutors sought to prove the client participated in a massive tax conspiracy; the court found there was no such evidence to support the government’s position and sentenced the defendant to probation, describing him as “a treasure.”

Mr. Deitch is admitted to practice in the District of Columbia, New York, Virginia and Massachusetts.  He is admitted and has tried cases or represented clients in the United States District Courts in the Eastern and Western Districts of Virginia, the Southern, Eastern, Northern and Western Districts of New York, the District of Maryland, the Northern District of Florida and the District of Columbia, the United States Court of Federal Claims, the United States Bankruptcy Court for the District of Maryland, the United States Court of Appeals for the First, Second, Fourth, Eleventh and District of Columbia Circuits, as well as the United States Supreme Court.