Welcome Mass Injury Group Injury and Accident Attorneys Winchester branch. We are a leading Boston Personal injury law firm. Are you looking for a personal injury attorney in Winchester, Boston, MA area? We are here to help you with all of your injury and accident law matters. We specialize in representing plaintiff's in a broad range of personal injury matters including auto accident cases, negligence cases, slip and fall claims, construction site accidents, workers compensation claims and social security disability claims. Our attorneys have over 50 years of combined legal experience. We have recovered millions on behalf of your clients. We offer free consultations. We represent clients throughout the State of Massachusetts.