Jane M. Byrne - McDermott Will & Emery


Jane has been consistently recognized as one of the very best litigators in the nation in the areas of insurance coverage and reinsurance. As Chambers found in its Guide to US Lawyers (2021), Jane is an “outstanding lawyer, intelligent, easy to work with and very smart.”  For over a decade, clients have been “effusive in their praise” (Chambers 2019) for Jane, and have described her as “extremely bright, tenacious and strategic” and a “renowned insurance and reinsurance litigator” (Chambers 2017) who is “brilliant at getting results (Chambers 2020) and is as “as good as it gets” in her field (Chambers 2015).   Jane has been honored by Benchmark Litigation as one of the top ten insurance litigators in the country, as a National Litigation Star, and as one of the Top 250 Women in Litigation (2015 to 2021). Jane is also a three-time winner of Law360’s MVP award (2013, 2017 and 2018). She was also selected to be a member of the Legal 500 Hall of Fame for Insurance for having been identified by clients and peers as an elite leading lawyer representing insurers for six consecutive years.

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  • Obtained dismissal of all claims for an insurer in a coverage and bad faith action brought under a Professional Liability Insurance Policy by an insurance claims administrator in the United States District Court for the Southern District of California.  American Claims Management v. Allied World Assurance Co. 
  • Lead trial counsel for D&O insurer in a bench trial in State Court in California addressing a question of first impression of critical importance to the D&O industry; namely, the definition of Loss and whether it covers indemnified settlements paid to resolve a shareholder dispute over the price paid per share in for the purchase of a company.
  • Representing insurers of water testing company in connection with claims of personal injury and property damage asserted by residents of Flint Michigan resulting from the municipality’s decision to switch its water source to the Flint River.

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  • Chambers USA, Insurance Litigation; Insurer, 2010 to 2022 (Band 1)
  • The Legal 500, Hall of Fame for Insurance, 2022
  • National Law Journal, Insurance Law Trailblazer, 2021
  • The Best Lawyers in America, Insurance Law, 2021

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  • AIDA Insurance and Reinsurance Society.
  • 10-Defense Research Institute


Catholic University Law School, JD, 1988
State University of New York, BA, 1984

US Court of Appeals for the Second Circuit
US Court of Appeals for the Ninth Circuit
US District Court for the Southern District of New York
US District Court for the Eastern District of New York
US District Court for the Eastern District of Michigan
US District Court for the Southern District of California
US District Court for the Northern District of California
US District Court for the District of Wyoming

New York