David Keenan

Managing Associate
Securities Litigation, Investigations and Enforcement

David Keenan is a managing associate in Orrick’s Seattle office. David’s practice focuses on securities and other complex commercial litigation as well as internal investigations, and he has represented clients in Washington’s superior, appellate and supreme courts, as well as in numerous federal courts, and has argued and won a case before the United States Court of Appeals for the Ninth Circuit.  David also previously served as a Special Deputy Prosecutor in the Felony Trial Unit of the King County Prosecuting Attorney's Office, where he co-tried multiple felony cases to verdict.

Mr. Keenan was the recipient of the 2011 Washington State Bar Association Outstanding Young Lawyer Award and the 2013 Seattle University School of Law Recent Graduate Award. He graduated from Seattle University School of Law, and he was associate editor of the Seattle University Law Review. He received the Dean’s Medal as the top all-around student in his graduating class, an honor he achieved while working full-time and attending law school at night.

Prior to joining Orrick, Mr. Keenan served as a senior special agent with the U.S. Department of Homeland Security where he was assigned to the Financial and Trade Investigations Division, investigating money laundering, terrorist finance, bulk currency smuggling and bank, wire and identity fraud. He served as Homeland Security representative to the Western Washington banking community regarding bank secrecy and anti-money laundering issues.

Mr. Keenan was also a member of the Financial Intelligence Review Team under the direction of the U.S. Attorney’s Office in Seattle, and has presented on a panel on bank secrecy and suspicious activity reports at the National Advocacy Center. He also worked as a special agent for the Immigration and Naturalization Service in the U.S. Department of Justice, where he investigated drug smuggling, human trafficking and fraud.

Outside of work, Mr. Keenan is very involved in service to the legal and non-profit communities, serving on six boards and commissions and several committees with a particular focus on at-risk youth and access to justice issues. In addition, Mr. Keenan devotes hundreds of hours each year to pro bono work, including in U.S. District Court and before the United States Court of Appeals for the Ninth Circuit.

David Keenan
Select Publications
Admitted In
  • Washington
Court Admissions
Supreme Court of the State of Washington
    United States Courts of Appeals
    • Federal Circuit
    • Ninth Circuit
    United States Court of Federal Claims
      United States District Courts
      • Western District of Washington
      • Eastern District of Washington

      • J.D., summa cum laude, Dean’s Medalist as top all-around student in graduating class, Seattle University School of Law, 2008
      • B.A., Union Institute & University, 1997
      • 2011 Washington State Bar Association Outstanding Young Lawyer Award
      • Dean’s Medalist, top all-around student in graduating class, 2008
      • 2013 Seattle University School of Law Recent Graduate Award
      • Seattle University Law Review, Associate Editor
      • Six CALI Excellence for the Future Awards for top course grades
      • First in Class, Federal Law Enforcement Training Center, 1994
      • Hon. Thomas S. Zilly, United States District Court for the Western District of Washington

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