John Morrissey

John Morrissey is a Senior Trial Attorney at Sweeney Merrigan Personal Injury Lawyers with more than 30 years of experience representing individuals in personal injury and workers’ compensation cases. Throughout his career, he has focused on helping injured workers and accident victims pursue fair compensation and legal protection. Attorney Morrissey works closely with clients to understand their concerns and guide them through complex legal matters. His approach centers on strong advocacy, careful case preparation, and clear communication. By dedicating his practice to injury law, he has helped many people move forward after serious accidents and workplace injuries.

Mr. Morrissey earned his undergraduate degree from the University of Massachusetts Amherst and later received his J.D. from Boston University School of Law. His legal education provided a strong foundation in litigation, legal research, and advocacy. During his studies, he developed the analytical and courtroom skills required to handle complex legal disputes. These academic experiences prepared him for a career representing injured individuals and addressing complex legal issues. His education continues to shape the disciplined, thorough approach he brings to every case.

Mr. Morrissey has handled a wide range of personal injury and workers’ compensation claims over the course of his career. He works to protect the rights of people harmed by negligence, unsafe workplaces, and other serious incidents. His practice involves investigating claims, negotiating with insurers, and representing clients in court when necessary. Through careful case strategy and dedicated representation, he aims to help clients obtain fair outcomes. His experience allows him to guide individuals through each stage of the legal process with clarity and confidence.

John Morrissey has also held several respected leadership roles in the legal community. He previously served as President of the Massachusetts Bar Association and as chair of the Joint Bar Committee on Judicial Appointments. He also served as Chair of the Massachusetts Board of Bar Overseers of the Supreme Judicial Court. In recognition of his work, he has been selected as a New England Super Lawyer every year since 2005 and was named a Top 100 Massachusetts Super Lawyer in 2013, 2019, and 2024.

Law Office Affiliations

• Senior Trial Attorney, Sweeney Merrigan Personal Injury Lawyers 
• Member, Massachusetts Bar Association

Licensed State

• Massachusetts

Education

• Boston University School of Law
  Juris Doctor (JD)
• University of Massachusetts
  Bachelor of Arts (BA)

Awards & Badges