Barbara Gruenthal 's Profile Image
Direct Dial: (617) 428-6808
Phone: (617) 428-6800
Fax: (617) 428-6868


  • J.D., cum laude, Boston University School of Law
    G. Joseph Tauro Distinguished Scholar
    Edward F. Hennessey Scholar 
  • J.D., cum laude, Brandeis University

Bar Admissions

  • Commonwealth of Massachusetts
  • United States District Court, District of Massachusetts
  • United States Court of Appeals, First Circuit
  • United States Court of Appeals, Federal Circuit
  • United States Supreme Court

Barbara Gruenthal

Barbara Gruenthal has a diverse trial and appellate practice.  She has litigated a wide range of business and commercial disputes including those involving complex contracts, business torts, professional malpractice, employment issues, partnership and corporate governance matters, insurance coverage, intellectual property, and environmental matters. Barbara also has substantial experience in zoning and other land use and real estate disputes, including those involving variances, special permits, subdivisions, easements, and restrictive covenants.

In addition to her practice in the trial courts, Barbara has significant appellate experience in a broad range of matters. Barbara is also experienced in alternative dispute resolution procedures including mediation and arbitration.

Barbara represents clients in both state and federal courts.  She has appeared in numerous cases assigned to the Business Litigation Session of the Suffolk Superior Court.  She has also appeared in matters arbitrated by the American Arbitration Association, JAMS, and the International Court of Arbitration.

Representative Matters

    • Represented a New Orleans company against trademark infringement claims brought by national franchisor raising issues of first impression concerning the use of a trademark to solicit business on the internet by a local business with the right to use the trademark in a restricted geographic area.  After discovery and briefing, a highly favorable settlement was achieved in mediation.
    • Successfully prosecuted an appeal to the Superior Court on behalf of a real estate developer from the decision of a town planning board denying approval of a definitive subdivision plan.  After targeted discovery and filing of a motion for summary judgment, the planning board withdrew its decision.
    • Represented major law firm sued for legal malpractice in connection with a merger transaction.  Drafted and argued successful summary judgment motion.
    • Obtained judgment for a commercial landlord in a week-long trial of a dispute concerning the interpretation of a rent escalation provision as well as the tenant’s failure to comply with various other provisions of the lease.  Successfully defended the judgment on appeal.
    • Successfully defended a commercial tenant against claims that it had exercised its option to extend the lease for five years based on oral and written communications between the parties, coupled with the tenant’s continued occupation of the premises for a number of months after the lease termination date.  After discovery, summary judgment was obtained for the tenant.


    • Martindale-Hubbell Peer Review Rated AV Preeminent
    • Massachusetts Super Lawyer, Business Litigation, 2009-2015.

Prior Experience

    • Associate, Trial Department, Goodwin Procter LLP, 1984-1993