Nicholas B. Kosiavelon

Focus | Environmental Law, Construction Litigation, Product Liability, Toxic Torts, Catastrophic Losses, Admiralty Law

Nick Kosiavelon is a Shareholder at Boyle | Shaughnessy Law, practicing in the Firm’s Boston office. Nick focuses his practice on environmental litigation, admiralty law, products liability litigation, construction defect litigation, toxic torts, and catastrophic losses.

Prior to Boyle | Shaughnessy Law, Nick worked as an Assistant Attorney General for Massachusetts with the Environmental Strike Force. As a prosecutor, he was responsible for state-wide enforcement of all Massachusetts environmental laws. Nick also worked as a Chemical Engineer for Johnson Matthey, Inc. before attending law school, supervising chemical processes at the world’s largest catalytic converter plant.

Nick began his career as a trial attorney as a prosecutor and he has continued with his trial practice to the present. Over the course of his legal career, Nick has tried over forty cases to verdict, including both environmental and product liability.

Nick can be reached by email at



  • Bucknell University, B.S.Ch E.
  • Vermont Law School, J.D., cum laude

Bar Admissions:

  • Commonwealth of Massachusetts



  • Boston Magazine Top Lawyers 2021-2022

Sample Results

Traumatic Brain Injury – Defense Verdict

Nicholas B. Kosiavelon

Professional Malpractice and Fraud Case

Nicholas B. Kosiavelon

SJC Decision Finalizes Dismissal of Brain Injury Case

Nicholas B. Kosiavelon

Construction Accident / Brain Injury

Nicholas B. Kosiavelon

Large Property Loss

Nicholas B. Kosiavelon

Product Liability – Brush Cutter

Nicholas B. Kosiavelon

Contact Us

We invite you to contact our office to learn more about our services, and to discover further information about our attorneys and services. Our team looks forward to serving your needs in the future.


695 Atlantic Ave, Boston, MA 02111, USA


25 Braintree Hill Office Park, Braintree, MA 02184, USA


280 Trumbull Street, Hartford, CT 06103, USA


650 Elm Street, Manchester, NH, USA


254 Commercial St, Portland, ME 04101, USA


1 Turks Head Place, Providence, RI


800 Westchester Avenue, S-606 Rye Brook, NY 10573


46 Lincoln Corners Way, Woodstock, VT 05091


100 Front Street, Worcester, MA 01608, USA

  • This field is for validation purposes and should be left unchanged.