Antonietta Melchiorre


Antonietta Melchiorre, a partner of the firm since 2000, has been practicing with Lapointe Rosenstein Marchand Melançon since her admission to the Bar in 1992.

She is an administrative judge, on a part-time basis, at the Financial Markets Administrative Tribunal (“Tribunal administratif des marchés financiers”).

Antonietta is an Arbitrator and an accredited mediator in civil, commercial and labour law matters.

Since February 2019, on a regular basis, she volunteers at the Palliative Care Unit of Hôpital Marie-Clarac.

She is also a member of the firm’s Ethics Committee and LRMM au féminin.

Prior to her appointment as an administrative judge at the Financial Markets Administrative Tribunal, she led the Securities Litigation Team.

Antonietta represents clients in significant civil and commercial litigation matters. Over the years, she has acquired extensive experience in disciplinary law, ethics and professional liability litigation, real estate litigation, banking litigation, matters pertaining to civil and professional liability, franchising disputes, construction, litigation in insurance law, estate litigation and securities litigation.

In connection with disciplinary law, ethics and professional liability litigation, Antonietta represents various professionals who are the object of a disciplinary investigation or an inspection from its professional orders. She pleads regularly before the disciplinary committees.

Antonietta represents clients in a full range of securities-related matters, including defense of brokerage firms and their representatives before the Courts and administrative tribunals in penal and disciplinary proceedings. More particularly, she represents financial advisors in the context of disciplinary proceedings instituted before the Disciplinary Committee of the Chambre de la sécurité financière and the Investment Industry Regulatory Organization of Canada (IIROC).

Prior to her appointment at the Financial Markets Administrative Tribunal, she regularly represented clients who were under investigations conducted by the Autorité des marchés financiers and witnesses in connection with such investigations. She also represented clients facing civil or penal proceedings instituted by the Autorité des marchés financiers before the Court of Quebec or before the Tribunal administratif des marchés financiers in relation to illegal practises of the profession, the sale of “offshore investments”, non-compliance with public filing obligations, market manipulation, insider trading, and other violations of securities legislation of this nature.

Antonietta has also developed substantial experience with Commissions of Inquiry, having represented several clients in connection with the Commission of Inquiry on the Awarding and Management of Public Contracts in the Construction Industry.

Best Lawyers Award Badge

Areas of Expertise
  • Civil and Commercial Litigation
  • Securities
  • LL.B., Université du Québec à Montréal, 1991
  • B.Sc. (Political Science), Université de Montréal, 1988
Affiliations and Activities
  • Member of the Quebec Bar Association
  • Part-time administrative judge of the Financial Markets Administrative Tribunal
  • Volunteer at the Palliative Care Unit of Hôpital Marie-Clarac
  • Member of the Canadian Bar Association
  • Member of the Association of Québec Women in Finance (AFFQ)
  • Member of the Canadian Italian Business and Professional Association (CIBPA)
  • Member of the Association of Italian-Canadian Jurists of Québec (AJICQ)
  • Member of the East End of Montreal Chamber of Commerce and Industry (EEMCCI)
  • Member of the Conseil de la justice administrative
  • President of the LRMM au féminin Committee
  • Member of High Net Worth, a businesswomen’s network (2011-2018)
  • Member of the Board of Directors of the Montreal SPCA (2014-2017)
  • Member of “la Sphère II”, a businesswomen’s network in Montreal (2010-2017)
  • Member of the Conseil de diplômés de la Faculté de science politique et de droit de l’UQÀM (2014 2016)
  • Governor of the Quebec Bar Foundation (2013-2016)
  • Recognized by Who’s Who Legal, 2018 and 2019 editions, as one of the best litigation attorneys in Canada
  • Recognized by Best Lawyers in Canada, 2021 edition, as one of the best attorneys in the Civil and Commercial Litigation sector
  • Named one of the 30 most promising women in Quebec in “30 Québécoises de l’an 2000”, an article written by Johanne Ménard for Châtelaine magazine, vol. 31, No. 10, October 1990
  • Recipient of the Fondation UQÀM’s Award for Excellence, 1988-1989


Photo Antonietta Melchiorre
Telephone 514 925-6355 Facsimile 514 925-5055 Email
VCard VCard
Year of Call to the Bar

Quebec, 1992


French, English, Italian