Thomas A. Marrinson

Partner

Chicago

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.

Experience

Representative matters

Achieved important policyholder victories in “first impression” cases involving insurance coverage for lead poisoning
Successfully obtained dismissal with prejudice at pleading stage of multi-million dollar commercial fraud case, with dismissal upheld on appeal
Represented numerous policyholders in connection with D&O liability policy issues, including rescission and allocation of defense and settlement costs

Recognitions

  • Selected to the Illinois Super Lawyers list for Insurance Coverage, 2007-2022
  • Selected through peer review for inclusion in The Best Lawyers in America© for Insurance Law, 2006-2025
  • Selected as one of 40 Illinois Attorneys Under 40 to Watch by Chicago Daily Law Bulletin, 2002

Credentials

Education

  • University of California, Los Angeles, School of Law, 1989, J.D.
  • Columbia University, 1986, A.B.

Professional admissions & qualifications

  • Illinois
  • California

Professional affiliations

  • Board Member and Co-Chair, Governance Committee, Legal Aid Chicago  
  • Governing Member, Brookfield Zoo
  • Fellow, American Bar Foundation

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