Justin J. Wolosz

Justin Wolosz is a partner in Choate’s Complex Trial & Appellate Litigation Group. Justin has nearly two decades of experience as a proven litigator and trial lawyer, who creatively and efficiently helps clients navigate the complexities of sophisticated disputes. His practice focuses on business litigation, including consumer class action and multi-district litigation, as well as novel and complex state-court litigation in the Massachusetts Business Litigation Session and other state courts. Justin’s broad experience allows him to counsel his clients effectively through all phases of complex disputes, from pre-litigation negotiations through trial and any appellate proceedings.

Whether he is representing individual clients or Fortune 500 companies, Justin places a high premium on being a true partner to his clients and believes deeply that listening to his clients is just as important as advising them.

Justin has been named a Massachusetts Super Lawyer.

Practice Focus

Complex Business Litigation:  represents public and private companies and individuals as plaintiffs and defendants in complex financial, consumer, contract, and class action litigation.

Appellate Litigation: represents clients in high-stakes post-trial litigation and appeals, across jurisdictions and in federal and state courts.

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.

Education & Credentials

Georgetown University Law Center
JD, 1999, magna cum laude, Order of the Coif
College of the Holy Cross
AB, 1996, with honors, cum laude



U.S. Tax Court

U.S. Court of Federal Claims

U.S. Courts of Appeals, First & Ninth Circuits

U.S. District Court, Massachusetts