Overview
Shannen Coffin 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. In testimonials published in The Legal 500 US for commercial disputes, people familiar with his work praise Shannen as "outstanding," "extremely smart," and "a joy to work with." One commentator observes that Shannen "just doesn't think outside the box, [he thinks] outside the building."
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.
- District of Columbia
- Supreme Court of the United States
- US District Court, District of Columbia
- US Court of Appeals, First Circuit
- US Court of Appeals, Second Circuit
- US Court of Appeals, Third Circuit
- US Court of Appeals, Fourth Circuit
- US Court of Appeals, Fifth Circuit
- US Court of Appeals, Sixth Circuit
- US Court of Appeals, Seventh Circuit
- US Court of Appeals, Eighth Circuit
- US Court of Appeals, Ninth Circuit
- US Court of Appeals, Tenth Circuit
- US Court of Appeals, Eleventh Circuit
- US Court of Appeals, District of Columbia
- US Court of Appeals, Federal Circuit
- Hon. David B. Sentelle, US Court of Appeals, District of Columbia, 1994–1995
- 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
Areas of Work
Representative Matters
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Represented educational policy associations as amici curiae in the US Supreme Court in Department of Transportation v. Association of American Railroads, challenging as unconstitutional delegation of legislative rulemaking power to Amtrak.
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Won Federal Power Act preemption challenges to state price subsidy scheme on behalf of electric energy generator; affirmed by Supreme Court in Hughes v. Talen Energy Marketing.
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Won a challenge to jurisdiction of Blackfeet Tribal Court in Town Pump Inc. v. LaPlante, adjudicating personal injury claims against non-Indian business operating on the reservation.
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Represented US merchant community in TCF Bank v. Bernanke and NACS v. Board of Governors of the Federal Reserve System, successfully defending constitutionality of Dodd-Frank Act provisions regulating debit card swipe fees and separately challenging Federal Reserve Board’s implementing regulations.
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Successfully defended insurance company against policyholder’s appeal of dismissal of claim based on alleged employee forgery under commercial crime policy in Tesoro Refining and Marketing Company, L.L.C. v. National Union Fire Insurance Company of Pittsburgh.
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Featured in Law360's, "Top Government Contracts Cases Of 2023: Midyear Review" (July 14, 2023)
Speaking Engagements
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"The Great Crypto Transition: FinCEN, Gamestop, The States & More," Chamber of Digital Commerce, February 25, 2021
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"Virtual Currencies and the Rule of Law," The Federalist Society, February 5, 2021
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"The State of Consumer Financial Regulation," FiSCA 2018 Annual Conference, October 4, 2018
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"The United States Vice-Presidency: In History, Practice, and the Future," Pepperdine University School of Law, April 1, 2016
News & Publications
Client Alerts
Supreme Court Oral Argument Signals Chevron Deference Is Running on Fumes
January 19, 2024
Press Releases
December 14, 2023
First Tuesday Update
Private Rights of Action in Federal Statutes
October 3, 2023
By: Steven K. Davidson, Shannen W. Coffin, Michael J. Baratz, Molly Bruder Fox, Mark Murphy, Cannon Jurrens
Press Releases
US District Court Rules in Favor of Steptoe Client Korea Electric Power Corp.
September 18, 2023
Client Alerts
DC Circuit Rejects Common Law Immunity Claims By Private Contractors of Foreign Sovereign
September 8, 2021
Media Mentions
Media Cover Steptoe's Success in State-Sponsored Hacking Suit in DC Circuit
September 7, 2021
Press Releases
Best Buddies Honors Shannen Coffin as Top Individual Fundraiser Nationwide
July 19, 2021
Events
Seminars & Events
Third Annual Regulatory Symposium
December 9, 2021
Speakers: Shannen W. Coffin, Micah S. Green, William M. Keyser, Pantelis Michalopoulos, Michael L. Weiner
Noteworthy
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Legal 500 US, Dispute Resolution: General Commercial Disputes (2020)
- Am Law Litigation Daily, Litigator of the Week (August 1, 2013)
- Legal 500 US, Energy: Litigation (2013)
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)