Karen Piso Nadeau

Karen Piso Nadeau, Esq.Karen Nadeau is a founding partner of the firm and practices in the area of personal injury and civil litigation. She is an exceptionally skilled litigator assisting victims and their families in all aspects of personal injury litigation. She is a personal injury lawyer who has dedicated her legal career to representing clients in injury & accident cases and has more than 25 years of impressive verdicts and settlements. She has built a reputation as an unrelenting champion for the rights of injured people across Massachusetts. She concentrates her practice in the area of serious personal injury and wrongful death in a wide range of cases including motor vehicle, trucking accidents, dog bite injuries, pedestrian, bike accidents, motorcycle collisions, construction site accidents, premises liability, slip and falls, and liquor liability against individuals and businesses. She represents victims of catastrophic injuries that are life altering.

Attorney Karen Nadeau believes in direct and close client communication building trust and relationships with her clients as a means to address client concerns, client needs, placing them at ease and keeping them well informed. All of this is with the ultimate goal of attaining the best possible outcome for her clients.  She skillfully approaches each client and case with a passion to obtain the best result for her clients and their families impacted by their loss. She is a zealous advocate for her clients using her many years of experience and knowledge and drive for excellence to obtain the best resolution through settlement negotiations or meticulous preparation and execution of litigation.

Attorney Karen Nadeau is highly skilled in negotiations with insurers, corporations, medical providers, lien holders, and other attorneys. She uses her many years of experience and knowledge in the insurance industry to advocate for her clients injured in accidents, having represented insurance companies and defendants in numerous cases through settlement as well as trial.  She has developed a highly skilled ability to evaluate the strengths and weaknesses for both sides of the case to make the best decisions for her clients in obtaining the most successful outcome.

Attorney Nadeau has personally litigated and negotiated multimillion-dollar settlements for clients who have suffered injuries due to the negligence and wrongdoing of both individuals and companies. She will not rest until she knows she has done everything she can for her clients. She gives her full time and attention to each client and case with many valuable contacts including experts and resources she has amassed over the years. She is not afraid to go toe to toe with those individuals or companies who have caused harm to her clients. Her enthusiasm, work ethic, and passion for victims who have been harmed are infectious, and she serves as a role model for younger attorneys taking the time to train and mentor them.

Karen is a happily married mother of two children. She is well-aware of the concerns every parent has when their children leave their sight. She has represented children and their families in tragic accident cases. Families often feel helpless and worry takes over their lives that have been turned upside down. Attorney Nadeau is driven to comfort families and remove the stress with the legal process so that they can concentrate on the well-being of their family.  She finds representing children and their families particularly rewarding and handles these cases with not just the aggressive tenacity of a veteran personal injury attorney but also with the sensitivity required to work with clients to ensure the best outcome during a time of immense grief and sadness.  She is personally and professionally committed to holding negligent individuals and companies accountable for their wrongdoing.

Attorney Nadeau is a lifelong Massachusetts resident and graduated cum laude from Boston College and cum laude from Suffolk University Law School. She lives with her family in the Boston area.  She enjoys devoting her time to charity and volunteer work focusing on children with disabilities, families in need, and victims of violent crime.  She spends her free time at dance studios and hockey rinks where her children pursue their passions.

Practice Areas

  • Personal Injury
  • Wrongful Death
  • Dog Bites
  • Automobile Accidents
  • Motorcycle Accidents
  • Trucking Collisions
  • Pedestrian and Bicycle Collisions
  • Premises Liability
  • Slip and Fall
  • Liquor Liability
  • Catastrophic Injuries
  • Traumatic Brain Injuries
  • Construction Site Accidents
  • Alcohol Server and Social Host Liability
  • Professional Negligence
  • Child Injuries

Bar Admissions

  • Commonwealth of MA - 1992
  • US District Court, District of Massachusetts 


Suffolk University Law School J.D. - Cum Laude 1992

Boston College - B.A., Cum Laude 1989

Nazareth Academy, Wakefield, MA 1985