FacultyFaculty/Author Profile

Mark J. Plumer

Pillsbury Winthrop Shaw Pittman LLP

Washington, DC, USA

A partner in the firm’s Litigation and Insurance Recovery and Advisory practices, Mark Plumer is one of the most well-known insurance lawyers in the country.

For more than 25 years, Mark has dedicated his career to representing policyholders with insurance issues, at the point of purchase and claim. His assistance has involved a plethora of insurance issues and claims, including environmental, products, including automotive, asbestos and medical devices, toxic tort, cyber, first party property damage and business interruption, directors and officers, errors and omissions, fidelity, credit risk, and insurer insolvencies.

Representative Experience

  • Acted as lead counsel in parallel coverage litigations in the United States and Canada regarding a trans-boundary pollution claim.
  • Acted as lead counsel in litigation between one of the largest U.S. oil refiners against its historic insurers regarding insurance coverage for environmental contamination. Prevailed in a two-week bench trial..
  • Acted as lead counsel and negotiated dozens of settlements of complex insurance claims of many kinds outside of litigation, with claim values exceeding $4 billion.
  • In 2016, handled insurance claims under the laws of the various United States, Canadian Provinces, Japan, England, Jamaica, Brazil, Italy and Germany.
  • Collected hundreds of millions of dollars in settlements for a Fortune 50 product manufacturer sued in thousands of lawsuits based on allegations of bodily injury.
  • Obtained first “all sums” scope of coverage ruling in Wisconsin state court for a Fortune 500 utility.
  • Acted as lead counsel for a Guam-based cable operator with property loss caused by a tsunami.

Professional Highlights

  • Member of the Insurance Recovery & Advisory practice, named by Law360 as a Practice Group of the Year in 2015 and 2016.
  • Former Chair or Co-Chair of national policyholder-side insurance practices at AmLaw 100 law firms (1999-2015)
  • Speaker at national RIMS Conference in five of past six years, including 2017 (selected)
  • “Considering Alternative Dispute Resolution,” Coverage Litigation, Chapter 25, New Appleman Insurance Law Practice Guide, Vol. II, 2015.

Honors & Awards

  • Chambers USA, Leading Lawyer (2004-2017)
  • Benchmark: Litigation, National Litigation Star (2016)
  • Who’s Who Legal, Insurance & Reinsurance (2015)
  • Expert Guides, World’s Leading Insurance and Reinsurance Lawyers (2015)
  • BTI Client Service All-Star (2013)
  • Super Lawyers (2012-2016)


  • Fellow, American College of Coverage and Extracontractual Counsel
  • Member, Insurance Law360 Editorial Advisory Board


  • J.D., The George Washington University Law School, 1986
    cum laude
  • B.A., Franklin and Marshall College, 1983
    cum laude, Phi Beta Kappa


  • District of Columbia
  • Clerkships

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