535 Boylston Street
Suite 902
Boston, Massachusetts 02116T: 617.849.7880
New York
The New York Times Building
620 Eighth Avenue, 38th Floor
New York, New York 10018

Practice Areas

Practice Emphasis

  • Labor & Employment

Bar & Court Admissions

  • Massachusetts, 1995
  • New York, 2000
  • District of Massachusetts
  • U.S. Court of Appeals for the First Circuit
  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York


New York University School of Law

  • J.D., 1995

University of Pennsylvania

  • B.A., 1992
Jeffrey M. Rosin

"If you tell the truth, you don't have to remember anything."                                                      

--Mark Twain

Jeff serves as Chair of Constangy's Franchise Industry Group. For over 20 years, Jeff has served as a trusted advisor to employers in their efforts to comply with various federal and state employment and labor laws. Jeff has successfully litigated hundreds of single employee cases, dozens of cases brought by groups of employees, and dozens of cases brought by classes of employees.  He has successfully tried numerous cases to verdict, and successfully litigated cases through post-trial motions and appeals when necessary to prevail after trial. Jeff counsels employers daily on the management of their workforce, responding to government audits on wage/hour issues, and litigation avoidance. An active and large part of Jeff's practice involves defending lawsuits in federal and state courts, in private arbitration, and before administrative agencies.  

Jeff is a go-to lawyer for class action defense in the wage-hour field, defending franchisors and franchisees, airlines and their contractors, hospitals, restaurants and retailers against wage-hour claims. Jeff is also a go-to resource for franchisors facing the evolving question of whether their franchisees are truly misclassified employees.  Jeff argued the leading case before the Massachusetts Supreme Judicial Court which set the standard for vicarious liability of franchisors under Massachusetts law. (Depianti v. Jan-Pro Franchising International, Inc. 990 N.E.2d 1054 (Mass. 2013). He advises franchisors on issues of vicarious liability and joint employment, as well as on issues pertaining to common law and statutory claims in business-to-business litigation. 

Jeff also assists all employers, including franchise entities, in investigations and in adversarial proceedings initiated by the U.S. Department of Labor and state government auditors. Finally, Jeff regularly serves as counsel in high-stakes non-compete/trade secret litigation and represents majority or minority shareholders/partners/members in intracorporate disputes.


Awards & Recognition

  • Named "Top Attorney in New England" by American Registry, 2016
  • Named Massachusetts Super Lawyer, 2014-2017
  • In 2010, Jeff was named a "Super Lawyer: Massachusetts Rising Star" in the legal community by Boston Magazine.  From 2005-2007, Jeff also received "Superlawyers/Rising Star" honors from Boston Magazine and Law and Politics Magazine.

Civic/Charitable Activities/Associations

  • Member of the Board of Directors, The New Workplace Institute
  • Group Leader, Back Bay Chapter USA 500 Clubs

Other Personal Background Information and Interests

  • Jeff resides in Needham, Massachusetts with his wife and children. His hobbies include fiction writing, and he has one published novel in circulation, titled, "Lipstick's Legacy."
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