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Thomas A. Marrinson

Thomas A. Marrinson


Tom's practice includes coverage litigation, complex commercial litigation and insurance-related counseling.  His coverage litigation experience spans a broad array of insurance disputes, including those involving first-party property and business interruption, D&O, professional liability, asbestos and other mass tort claims, environmental clean-up, and lead paint exposure.  He also frequently counsels Fortune 500 companies on many types of insurance-related matters.  Tom's insurance coverage practice is nationwide and has involved litigation in jurisdictions throughout the United States. 

In addition to his insurance coverage experience, Tom's litigation practice has included products liability, commercial contracts and business fraud, and class action defense. Tom is a frequent lecturer, and has also authored numerous articles and publications, including Insurance Coverage Disputes, a comprehensive guide to the law of insurance coverage, and more recently Professional Liability Insurance, an in-the-trenches treatise for lawyers grappling with professional liability cases.

Employment History

  • 2007 - Reed Smith

Honors & Awards

  • Listed, Chambers USA:  America's Leading Lawyers for Business (2004-2014)
  • Listed, The Best Lawyers in America (2006-2016)
  • Listed, Illinois Super Lawyers (2007-2015)
  • Selected as one of "40 Illinois Attorneys Under 40 to Watch," by Chicago Daily Law Bulletin in 2002

Professional Affiliations

  • Member, American Bar Association
  • Associate Editor, Litigation Update, e-publication of the American Bar Association's Section of Litigation
  • Fellow, American Bar Foundation