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John J. Commisso

Of Counsel

P 617-305-1286
F 617-367-2155


John J. Commisso is Of Counsel in the Boston, Massachusetts, office of Jackson Lewis P.C. He has vast experience representing clients in a broad range of government investigations, white collar criminal proceedings, internal corporate investigations, and complex business litigation in state and federal courts.

Mr. Commisso has advised clients in connection with government enforcement actions and investigations initiated by state and federal agencies, including the U.S. Attorney’s Office, the U.S. Securities and Exchange Commission, the U.S. Department of Health and Human Services, the U.S. Department of Customs and Border Protection, and the Massachusetts Attorney General’s Office. Additionally, Mr. Commisso has represented numerous clients in complex civil litigation. He has experience in matters involving misappropriation of trade secrets, the Computer Fraud and Abuse Act, and complex business disputes among owners of closely held corporations.

During law school, he was on the editorial staff of The Georgetown Law Journal. He also served for two year as a Judicial Law Clerk to the Honorable George A. O’Toole, Jr., of the U.S. District Court for the District of Massachusetts. Prior to studying law, Mr. Commisso worked in the Audit and Business Advisory Services Department of a Big Six accounting firm. Mr. Commisso was previously licensed to practice as a Certified Public Accountant.

Representative Engagements

  • Represented doctors and medical practices in U.S. Attorney's Office and Massachusetts Attorney General's Office investigations regarding Medicare and Medicaid billing fraud
  • Represented financial industry executives in SEC and Massachusetts Securities Division investigations regarding insider trading, investment advisor fraud, and accounting fraud
  • Represented real estate and construction company executives and professional services companies in state and federal investigations regarding government contracting fraud and public corruption
  • Represented international manufacturing company in U.S. Customs investigation regarding the payment of import duties

Honors and Recognitions

Professional Associations and Activities

  • Boston Bar Association, Criminal Law Section Steering Committee

See AllJohn J. Commisso in the News

November 20, 2015
Jackson Lewis

Jackson Lewis Publishes Q3 Diversity Committee Newsletter

November 20, 2015

Please enjoy our Diversity Committee Newsletter for the third quarter of 2015. A best practice of our firm, it includes personal, diversity-focused messages from our Diversity Committee Chair and Diversity Committee Manager, and highlights diverse attorney promotions, diversity-related activities, sponsorships and events the firm has... Read More

See AllBlog Posts by John J. Commisso

Big Ten Announces Scholarship Guarantee As Major Conferences Gain Power from NCAA
October 14, 2014

It didn’t taken long for the Power Five conferences to take advantage of recently granted autonomy to set new rules for member universities, and the pace of change appears to be gaining speed. Read More

Sentencing Commission Considering Changes to Penalties for White Collar Crime
August 19, 2014

After a long period of steadily increasing federal prison terms for economic crimes, the U.S. Read More