Georgetown University Law Center
JD, 1999, magna cum laude, Order of the Coif

College of the Holy Cross
AB, 1996, with honors, cum laude


US Tax Court
US Court of Federal Claims
US Court of Appeals, Ninth & First Circuits
US District Court, Massachusetts

Justin J. Wolosz


t 617-248-5221   f 617-248-4000

Justin Wolosz is a partner in the firm’s Complex Business & Appellate Litigation Group. Mr. Wolosz represents businesses and individuals in complex litigation matters, from pre-litigation through trial or arbitration. His experience ranges from contract and other business disputes to consumer class actions, related investigations, and appeals.

From 2002-2005, Mr. Wolosz lived on the island of Saipan, where he served as Assistant Attorney General for the Commonwealth of the Northern Mariana Islands, handling criminal and civil matters in local and federal court.

Mr. Wolosz is a Massachusetts Super Lawyer.

Practice Focus

Mr. Wolosz focuses on complex commercial and business litigation, including multi-district, class action and False Claims Act litigation.  He also advises clients facing commercial transaction disputes and those seeking emergency relief related to business dealings and contractual obligations.  Mr. Wolosz has extensive experience representing clients in both federal and Massachusetts state courts, including the Business Litigation Session of the Massachusetts Superior Court.

Representative Engagements

  • Represented national fuel retailer in multi-district putative class action alleging consumer protection violations in connection with the sale of motor fuel at retail.
  • Represented pharmaceutical company in connection with multi-district putative class action alleging improper sales and marketing activities in violation of RICO and various state laws.  Consolidated action was dismissed by trial court and dismissal was affirmed by US Court of Appeals for the Third Circuit.
  • Represented financial services firm in trial of breach of fiduciary duty and related claims.
  • Represented pharmaceutical company in False Claims Act qui tam action alleging improper marketing activities and wrongful termination, which resulted in a negotiated resolution.
  • Represented financial services firm in putative securities class action suit alleging improper public disclosures.  Litigated favorable dismissal from trial court and successful appeal in the US Court of Appeals for the Second Circuit.

Publications and Presentations

Professional and Community Involvement

Mr. Wolosz is a member of the Boston Bar Association and the American Bar Association. He also serves as a board member and Vice Chair of the Massachusetts Appleseed Center for Law and Justice.


Thank you for reaching out to contact Choate. Before you send your message, we wanted to make sure you are aware of the following. Please do not send any confidential information in response to this link. Sending an e-mail to Choate does not give rise to an attorney-client relationship, and will not be deemed to disqualify Choate from undertaking any engagement for a current or future client.  Before any attorney-client engagement may be formed, Choate will need to check for possible conflicts of interest, you will need to consider whether you wish to retain Choate as counsel, and we will need to consider whether we wish to accept the potential engagement. In the meantime, Choate reserves the right to represent parties with interests adverse to you.