Michael Mullaly focuses his practice on litigation of complex reinsurance and insurance coverage disputes and representation of insurers in controverted regulatory matters nationwide.

Michael also has broad litigation experience in other industries and has successfully represented clients in matters involving commercial and government contracts, business torts, intellectual property, and labor and employment law.

Whatever the setting, Michael distinguishes himself through tenacious attention to detail, analytical rigor, and use of crisp writing to bring clarity to intricate subjects.

Prior to entering private practice, Michael completed a clerkship for The Honorable David A. Mills of the Massachusetts Appeals Court.

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  • Defended ceding company in reinsurance arbitration in which reinsurer alleged improper cessions and bad faith.
  • Defended insurer against equitable contribution action in which plaintiff insurer on same risk sought to prevent exhaustion of policy limits by demanding contribution for defense costs only.
  • Provided coverage advice in actions involving complex underlying events, including pervasive environmental contamination and allegations of anticompetitive conduct.
  • Briefed appeal on applicability of federal officer statute to Medicare Advantage Organization engaged in claims processing activity.
  • Briefed appeal on limitation of liability of e-publishing platform for materials submitted by end user.
  • Participated on team representing a public company in an SEC investigation involving a wide range of financial reporting and internal control issues.


  • Boston College, J.D., cum laude, 2008
  • Princeton University, A.B., 2004


  • Ohio, 2013
  • Massachusetts, 2008


  • U.S. Ct. of App., First Circuit
  • U.S. Ct. of App., Sixth Circuit
  • U.S. Dist. Ct., Dist. of Massachusetts
  • U.S. Dist. Ct., S. Dist. of Ohio
  • Recognized in The Best Lawyers in America 2023: Ones to Watch for Insurance Law
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