David A. Colson

Squire Patton Boggs

$ $$$

M Street Northwest 2550
Washington 20037 DC US

David practices in assisting governments in addressing maritime boundary issues, including in the Middle East, African, and Latin American regions. He has provided international petroleum companies with advice in the same regard.

Before joining the Firm, David served as of counsel at a leading international law firm, a position preceded by a career in the U.S. Department of State. After service in the Department’s Legal Advisers Office, he was the deputy assistant secretary for oceans – with rank of ambassador from 1991.

During his career in federal government, he was deputy agent for the United States in the World Court case with Canada to determine the maritime boundary in the Gulf of Maine/Georges Bank area, and was responsible for the oversight of the US maritime boundary program. Prior to service in the US federal government, David served in the U.S. Peace Corps and the Marine Corps.


  • University of California at Berkeley, Boalt Hall School of Law, J.D., 1975
  • California State University, East Bay, B.A., 1966


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M Street Northwest 2550
Washington 20037 DC US
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