Marianne LeBlanc
About Marianne LeBlanc
Marianne C. LeBlanc is a trial attorney with a three-decade record in the courtroom, concentrating on medical malpractice, liquor liability, premises liability, and nursing home litigation. She has been inducted as a Fellow of the American College of Trial Lawyers and was named one of the Top 10 Massachusetts Super Lawyers for 2025. She has been repeatedly listed in "Best Lawyers in America" and selected as one of the Top 50 Women Lawyers in Massachusetts. In 2018, the Massachusetts Supreme Judicial Court appointed her to a four-year term on the Board of Bar Overseers, and in 2021 she was appointed to serve as its Chair. She currently serves as Massachusetts Governor to the American Association for Justice, as Chair of the Norfolk Superior Court Bench-Bar Committee, and on the Board of the Massachusetts Academy of Trial Attorneys. She is a past President of the Women's Bar Association of Massachusetts and a past Chair of the AAJ Women Trial Lawyers Caucus. Marianne joined the firm in 1993.
Notable case results
Settlement for minor whose pediatrician failed to order brain imaging, resulting in undiagnosed arteriovenous malformation that ruptured and caused a stroke, leaving the child permanently disabled
Jury verdict in medical malpractice claim against a Boston-area transplant surgeon for wrongful death resulting from negligent liver transplant surgery
Settlement for parents of newborn who died hours after birth due to mismanagement of labor and delivery causing severe anoxic injury
Second largest medical malpractice settlement reported in Massachusetts in 2017, for family of a 47-year-old man improperly discharged from hospital following failure to diagnose an evolving heart attack
Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.
