Theodore M. Hess-Mahan

Of Counsel Theodore M. Hess-Mahan

Of Counsel

Complex civil litigation
Shareholder and consumer fraud
Unfair Business Practice claims
Derivative Actions
Administrative Law Proceedings


Ted Hess-Mahan represents individuals, businesses, non-profits and organizations in civil litigation in the state and federal courts and administrative proceedings and mediates business and shareholder disputes. He and Robert Feigin recently won a summary judgment in the Massachusetts Superior Court, dismissing claims for compensation under a finder’s fee agreement. Prior to joining the firm, he was a law clerk for an associate justice of the Massachusetts Supreme Judicial Court, and a litigation attorney at Ropes & Gray LLP, focusing on general business and complex civil litigation, and at Shapiro Haber & Urmy LLP, prosecuting shareholder and derivative litigation. Ted lives with his family in Newton.


  • J.D., Suffolk University Law School Lead Articles Editor, Suffolk University Law Review
    Director, Honorable Frank J. Donahue Lecture Series
  • B.A., Tufts University
  • Training as a mediator in accordance with M.G.L. c. 233, § 23C, Mediation Works Incorporated, Boston, Massachusetts

Associations and Memberships:

  • Boston Bar Association (Former co-chair, Class Action Committee and former member, Litigation Section Steering Committee)
  • Board of Aldermen, Newton Massachusetts (2003-present)
  • Newton Human Rights Commission (former Commissioner)
  • CAN-DO, a non-profit developer of affordable housing in Newton (Former President)


  • Recognized by Massachusetts Advocates for Children for his pro bono legal expertise in groundbreaking litigation efforts on behalf of children with disabilities in 2005.


  • Most recently, Ted co-authored a chapter on depositions in class actions published in the Massachusetts Deposition Practice Manual (MCLE Supp. 2009)


  • Ted has lectured at legal seminars and published articles on class actions, securities, special education, and medical records privacy laws, and has been a guest lecturer on voting rights at the New England School of Law.


  • State Court of Massachusetts
  • U.S. District Court, District of Massachusetts
  • U.S. Court of Appeals for the First Circuit
  • U.S. Supreme Court

“Whether I am representing an individual, a business or a non-profit organization in litigation, I bring the same big firm experience, professionalism and attention to detail, while providing the personalized attention and affordability of legal services clients expect from a small firm, in protecting and pursuing their legal rights. In alternative dispute resolution matters, I strive to offer the kind of advocacy that protects clients’ rights, educates them on the best approach to their particular dispute, and helps them achieve a resolution that satisfies their interests as efficiently and effectively as possible.”



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110 Cedar Street, Suite 250, Wellesley Hills, MA 02481
| Phone: 781.431.2231
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