Shannen W. Coffin

Steptoe & Johnson LLP

Shannen Coffin co-chairs Steptoe’s Appeals and Advocacy practice. He frequently represents regulated businesses in trial and appellate courts in matters involving constitutional and administrative law challenges to government regulatory action. His practice spans a wide range of legal subject matters, including First Amendment free speech (e.g., libel and commercial speech), the Administrative Procedure Act, federal preemption, state sovereign immunity, commercial and insurance law, and tribal jurisdiction.

He has represented clients in numerous regulated industries, including energy, financial services, retail, insurance, and defense. Shannen’s practice draws on his significant experience as a former senior attorney in the federal government. He served as counsel to Vice President Cheney in the Office of the Vice President of the United States.

There, he provided legal advice to the vice president and his staff on constitutional, regulatory, national security and related policy issues, coordinated OVP’s response to congressional investigations and litigation, and represented OVP in the inter–agency process with respect to federal regulations and legislation.

Shannen also served as deputy assistant attorney general in the US Justice Department’s Civil Division, where he was responsible for overseeing and coordinating trial litigation on behalf of the federal government for constitutional challenges to federal statutes, statutory and constitutional challenges to agency programs, and defense of national security and anti-terrorism programs.

He argued numerous significant litigation matters for the federal government in both trial courts and courts of appeals, including constitutional challenges to presidential action, disputes over access to government information and an intervention by the federal government into a major labor dispute.

Previous Employment:

  • Counsel to the Vice President of the United States (2005–2007)
  • Deputy Assistant Attorney General, Federal Programs Branch, Civil Division, United States Department of Justice (2002–2004)


  • J.D., Georgetown University Law Center, 1994, summa cum laude; Associate Editor, Georgetown University Law Journal; Order of the Coif
  • B.B.A., Loyola University, New Orleans, 1991, summa cum laude; Beta Gamma Sigma; Beta Alpha Psi, Accounting and Finance


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What types of cases Attorney Shannen W. Coffin & Steptoe & Johnson LLP can handle?
Steptoe & Johnson LLP can handle cases related to laws concerning Constitutional, Litigation, Appeals, Administrative, Government, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
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Steptoe & Johnson LLP is located at 1330 Connecticut Ave NW, Washington, DC 20036, USA. You can reach out to Steptoe & Johnson LLP using their phone line 202 429 6255. You can also check their website
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Steptoe & Johnson LLP
1330 Connecticut Ave NW, Washington, DC 20036, USA
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