Government Experience

  • Virginia—Assistant Commonwealth’s Attorney, Alexandria, VA (1975-1979)


  • University of Notre Dame (1972) cum laude
  • Georgetown University Law Center, J.D. (1975)

David W. O'Brien

Retired Partner

+1.703.307.1977 (mobile)

David W. O'Brien  is a retired partner in the Washington, D.C. office of Crowell & Moring. He represented both corporations and individuals in complex civil and criminal cases in federal courts throughout the country. These cases have typically presented issues related to the construction and performance of contracts with a variety of governmental agencies including the Departments of Defense and Health and Human Services.

He defended several large health care clients in False Claims Act cases initiated by both the government and qui-tam relators. He has lectured on the use of the False Claims Act in the managed care setting before the American Health Lawyers Association. David has also counseled corporate clients on employment issues and defended several Title VII cases.

Prior to entering private practice, David served as an Assistant Commonwealth Attorney in Virginia and was a frequent lecturer to law enforcement organizations. He formerly served as an adjunct professor at American University. David is a member of the District of Columbia and Virginia bars. He is a 1975 graduate of the Georgetown University Law Center and received his undergraduate degree cum laude from the University of Notre Dame in 1972.


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Firm News & Announcements

March 16, 2020 Fourteen Crowell & Moring Lawyers Named 2020 Acritas Stars
November 5, 2019 Global Investigations Review Names Crowell & Moring’s White Collar & Regulatory Enforcement Group to “GIR 100” Fifth Year in a Row
June 24, 2013 Crowell & Moring Recognized by National Law Journal as Washington, D.C. "General Civil Litigation" Department of the Year