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Marianne C. LeBlanc - Boston, MA

31 St. James Avenue10th Floor Boston, MA 02116

Super Lawyers®


Updated: 07/31/2019

Boston Alcohol-related Accidents Lawyer


Marianne LeBlanc is a trial attorney with a proven record of success in the courtroom and over two decades of experience in representing injured clients. With record-setting verdicts in Massachusetts, Marianne’s advocacy skills draw on her commitment to making a difference both for her clients and the community at large. Marianne concentrates in all aspects of serious personal injury litigation, including liquor liability, premises liability, medical malpractice, and nursing home litigation...

About Marianne C. LeBlanc

Practice Areas

  • Alcohol-related Accidents
  • Medical Malpractice
  • Nursing Home Abuse, Neglect and Malpractice
  • ​Sexual & Physical Assault
  • ​Wrongful Death Claims


  • 100%

Current Employment Position(s)

  • Principal


Bar Admissions

  • Massachusetts, 1993
  • U.S. District Court District of Massachusetts, 1994

Other Affiliations

  • Women's Bar Association of Massachusetts, Member, 1993
  • Member, Massachusetts Bar Association, Civil Litigation Section Council, 2000 - Present
  • President, Women's Bar Association of Massachusetts, 2004 - 2005
  • PAC Board of Trustees, American Association for Justice, 2009 - 2011
  • Chair/Member, Bar Association of Norfolk County, Superior Court Bench Bar Committee, 2005 - Present
  • Women's Caucus Representative, AAJ Board of Governors, 2008 to present
  • National Finance Council Member, American Association for Justice, 2006- Present
  • AAJ Executive Committee, 2012 - Present
  • Massachusetts Academy of Trial Attorneys, Executive Committee, 2006 - Present
  • Member, Boston Bar Association
  • Board of Governors, Massachusetts Academy of Trial Attorneys, 1999 - Present
  • Member, Board of Directors, New England Bar Association, 2002 - 2008
  • Chair, Massachusetts Bar Association, Civil Litigation Section, 2001 - 2002
  • Massachusetts Bar Association, Member 1993 - Present


  • Boston College Law School, Boston, Massachusetts, 1993
  • Wellesley College, 1990

Pro Bono Activities

  • Board, Women’s Bar Foundation
  • President, Women's Bar Foundation of Massachusetts, 2007 - 2008
  • Chairman, Town of Westwood Finance and Warrant Commission
  • Board of Trustees, Ursuline Academy, 2003 - Present
  • Life Fellow, Massachusetts Bar Foundation, Grant Advisory Committee, 2008 - Present

Classes and Seminars

  • Trends in Jury Selection and Trial Techniques in Criminal and Civil Trials: A View from the Bench and Bar, Norfolk Superior Court Bench-Bar Committee Continuing Legal Education, 2008
  • Navigating Law Practice in a Private Firm, National Women Law Students’ Association, Suffolk University Law School, 2008
  • Litigating Medical Malpractice Claims, ALI-ABA Seminar, 2008
  • 2007 Criminal Law - View From the Bench, Norfolk Superior Court Bench Bar Committee, Continuing Legal Education Seminar, 2007
  • Introducing and Excluding Evidence at Trial, Massachusetts Continuing Legal Education, 2007
  • Mediating Any Personal Injury Case, Massachusetts Academy of Trial Attorneys, Continuing Legal Education Seminar, 2007
  • The Impact of Women on Elections: 2004, 2006 and Beyond, Westwood-Walpole League of Women Voters, 2006
  • Cutting Edge Technology in the Courtroom, Massachusetts Continuing Legal Education, 2006
  • The College of Criminal Justice Annual Senior Celebration, Northeastern University, 2005
  • Mock Trial: Peter O'Toole vs. Dram Shop Tavern Realty Trust, Massachusetts Academy of Trial Attorneys Annual Convention Program, 2004
  • Where Women Stand Today and How They Will Affect the 2004 Election, Martha's Vineyard League of Women Voters, 2004
  • The Intersection of Women's Rights and Race Civil Rights Issues, Lawyers' Committee for Civil Rights Under Law of the Boston Bar Association, 2004
  • Women in the Law: Opportunities & Options, Women's Bar Association of Massachusetts, 2003
  • Mock Trial: Barry Vincent, et al. vs. Saturn Industries, Massachusetts Academy of Trial Attorneys, Annual Convention Program, 2003
  • Guest Speakers, New Theories of Tort Recovery, (Co-author with W. Thomas Smith) 5th Annual Thomas F. Lambert, Jr. Conference, April 01, 2011
  • Recent Front Page 1.2 Million Dollar District Court Verdict in Medical Malpractice Case, Massachusetts Trial Lawyers Association Luncheon, 2002
  • Faculty Panelist, Massachusetts Academy of Trial Attorneys (MATA), November 30, 2010
  • Emerging Topics in Complex Tort Litigation Topic: Emerging Topics in Medical Malpractice Law, Massachusetts Bar Association, Continuing Legal Education Seminar, 2001
  • Sheehan v. Roche Bros. Supermarkets, Inc. and Papadopoulos v. Target Corp. – The Plaintiff’s Perspective, Thomas Lambert, Jr. Tort Law Conference, 2011
  • Daubert, Kumho, Lanigan and Gordon: Testing the Admissibility of Scientific and Forensic Evidence, Massachusetts Bar Association, Continuing Legal Education Seminar, 2000
  • Forensic Evidence in Criminal and Civil Cases, Norfolk Superior Court Bench-Bar Committee’s Practical Skills Seminar, 2011
  • Canavan’s Case: Where is the Daubert/Lanigan Line Drawn?, Massachusetts Bar Association, Continuing Legal Education Seminar, 2000
  • New England Civil Trial Advocacy, Massachusetts Continuing Legal Education, 2011
  • Top Verdicts of 1999: A Lawyers Weekly Review, Massachusetts Bar Association, Annual Conference, 2000
  • Advocacy Track: Critical Thinking and Building Your Case from the Ground Up – Building Blocks, American Association for Justice program, 2011
  • Liquor and Premises Liability: The Plaintiff’s Perspective: Is Liability Expanding Within the Industry?, CLE International, Wine, Beer & Spirits Law Conference, 2000
  • The Impact of the Internet and Online Social Networking in the Courtroom: What Attorneys Need to Know, Norfolk Superior Court Bench-Bar Committee Continuing Legal Education Seminar, 2010
  • Dram Shop Liability, Massachusetts Continuing Legal Education - Personal Injury Law Conference, 1999
  • Liquor and Premises Liability: A Case Study: $28 Million Verdict Against Bar, CLE International, Wine, Beer & Spirits Law Conference, 1999
  • Winning Before Trial, 2010
  • Obtaining and Using Medical Records, Topic: Gathering Medical Evidence, Massachusetts Continuing Legal Education Seminar, 1998
  • Massachusetts Courtroom Advocacy, Massachusetts Continuing Legal Education, 2010
  • Recent Case Law Underscores the Necessity of Early, Complete Disclosure of Plaintiff's Prior Medical History, Boston Bar Journal, 2004
  • Personal Injury Law Conference 2010, Massachusetts Continuing Legal Education, 2010
  • Health Care: Bill Seeks Awards Cap, Women's Business, 2003
  • Abusive Discovery Tactics & How to Effectively Respond to Them, Massachusetts Continuing Legal Education, 2010
  • Recent Developments in the Admissibility of Expert Testimony, Lorman Education Services: Auto Insurance Law and Accident Litigation in Massachusetts, 1999
  • Trial Success Stories, Mass. Academy of Trial Attorneys program, 2010
  • Use of Criminal Depositions in Civil Actions, Mass. Bar Association Lawyers’ Journal, 1995
  • Trials Facing Women Litigators and Tips for Success, Mass. Academy of Trial Attorneys and Women’s Bar Association of Massachusetts program, 2010
  • Of Sunlight and Secrets: The Imperative for Public Disclosure of Discovery, MATA Journal, 1994
  • Networking, Marketing and Rainmaking, AAJ Women Trial Lawyers Caucus Leadership Summit program, 2010
  • Marketing Yourself in a Down Economy, Women's Bar Association of Massachusetts, 2009
  • Personal Injury Law Conference 2009, Massachusetts Continuing Legal Education, 2009
  • Practice Perspectives: Plaintiff's Litigation Program, Harvard Law School, 2009
  • How to Make Voir Dire Work for Your Case, The 4th Thomas F. Lambert, Jr. Conference: Successful Strategies for Jury Trials, 2008


Other Sources of Feedback About Marianne C. LeBlanc

Included on the 2023 Massachusetts list

Past Lists

  • 2022 Massachusetts Super Lawyers list
  • 2021 Massachusetts Super Lawyers list
  • 2020 Massachusetts Super Lawyers list
  • 2019 Massachusetts Super Lawyers list
  • 2018 Massachusetts Super Lawyers list
  • 2017 Massachusetts Super Lawyers list
  • 2016 Massachusetts Super Lawyers list
  • 2015 Massachusetts Super Lawyers list
  • 2014 Massachusetts Super Lawyers list
  • 2013 Massachusetts Super Lawyers list
  • 2012 Massachusetts Super Lawyers list
  • 2011 Massachusetts Super Lawyers list
  • 2010 Massachusetts Super Lawyers list
  • 2009 Massachusetts Super Lawyers list
  • 2008 Massachusetts Super Lawyers list
  • 2007 Massachusetts Super Lawyers list
  • 2006 Massachusetts Super Lawyers list
  • 2005 Massachusetts Super Lawyers list
  • 2004 Massachusetts Super Lawyers list

View the profile for Marianne C. LeBlanc on Super Lawyers


  • Advocate, American Board of Trial Advocates
  • “The Best Lawyers in America”, 2005-2019
  • Boston College Law School 75th Anniversary Alumni Award, 2006
  • “Massachusetts Super Lawyers”, Law and Politics, 2004-2018
  • “Top 100 Massachusetts Super Lawyers”, 2004; 2008; 2010-2018
  • "Top 50 Female Super Lawyers in New England", 2018
  • “Top 50 Women Massachusetts Super Lawyers”, 2004-2005; 2007-2018
  • "Top 500 Leading Lawyers in America", Lawdragon 500, 2015
  • "Top Women of Law", Massachusetts Lawyers Weekly, 2018
  • Distinguished Service Award, American Association for Justice, 2010
  • Wiedemann Wysocki Citation of Excellence, American Association for Justice, 2006; 2011
  • “40 Under 40 Award”, Boston Business Journal, 2002
  • “Lawyers of the Year”, Massachusetts Lawyers Weekly, 1999
  • “Best Lawyers in Boston”, Boston Magazine, 2002
  • “100 Women of Distinction in Law and Public Service”, The Massachusetts Association of Women Lawyers, 2005

Video & Photo


Office Information


31 St. James Avenue10th Floor Boston, MA 02116


  • 617-542-1359


Representative Cases

  • Christopher v. Father’s Huddle Cafe, Inc., et al., 57 Mass. App. Ct. 217 (2003)
  • Assetta, et al. v. Safety Ins. Co., 43 Mass. App. Ct. 317 (1997)

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