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Michael A. Lesser

Financial markets and services Attorney at Boston, MA

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About Michael

Learn Michael’s areas of practice.

Practice areas
  1. Financial markets and services
    Representing individual whistleblowers who report fraud against the federal and state governments in banking and finance.

  2. Medicaid and medicare
    Representing individual whistleblowers who report fraud against the federal government in the Medicare and Medicaid programs.

  3. Mesothelioma and asbestos

Mike Lesser represents individuals that report fraud on the Federal and State governments. While practicing in traditional areas of False Claims litigation, including Medicare and Medicaid fraud, Mr. Lesser also handles False Claims Act litigation involving finance and bank fraud.

Licensed for 27 years
State MA
Status Active
Acquired 1995
Updated 03/17/2023

We have not found any instances of professional misconduct for this lawyer.

Contact Michael

Thornton Law Firm, LLP
1 Lincoln St
Boston, MA, 02111


Not yet reviewed. Review Michael


  • Free Consultation 30 minutes
  • Contingency 33%-33%


AVVO RATING 8.7 (Excellent)

Work Experience

  • Partner
  • Thornton Law Firm LLP
  • 2005 - 2016
  • Associate
  • Thornton Law Firm LLP
  • 1996 - 2005


  • Boston University
  • JD - Juris Doctor
  • 1995
  • Brandeis University
  • BA - Bachelor of Arts
  • 1992

Legal Cases

  • Spirito v. Hyster New Eng., Inc., et al.
  • Commonwealth of Massachusetts v. Philip Morris, Inc. et al.
  • The Commonwealth settled for $8 billion dollars.


  • American Association for Justice
  • N/A
  • American Bar Association
  • N/A
  • Taxpayers Against Fraud
  • N/A
  • Massachusetts Bar Association
  • Member
  • N/A
View all associations

Languages Spoken

  • English

Honors and Awards

  • Distinguished
  • Martindale-Hubbell
  • 2016
  • Distinguished
  • Martindale-Hubbell
  • 2015
  • Distinguished
  • Martindale-Hubbell
  • 2014
  • Distinguished
  • Martindale-Hubbell
  • 2013
  • Rising Star
  • Massachusetts Super Lawyers
  • 2010
  • Up-and-Coming Lawyer
  • Massachusetts Lawyers Weekly
  • 2002
View all awards

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Boston Financial markets and services Lawyer Michael A. Lesser
Michael A. Lesser
Financial markets and services Attorney
Boston, MA
Licensed for 27 years
Free Consultation