Cynthia Chassigneux

Lawyer, Partner - Montréal

Québec Bar 2011
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Cynthia Chassigneux is a partner at Langlois Lawyers’ Montréal office. She has particular interest in personal information protection. Her vast experience not only allows her to understand the various issues that may arise throughout the life cycle of personal information, but also those related to biometrics, artificial intelligence, confidentiality incidents, governance, health research, cross-border data flows and video surveillance. Her practice covers both public bodies and businesses.

Prior to joining the firm, Cynthia worked for more than ten years at the Commission d’accès à l’information du Québec, including six years during which she was assigned to the monitoring section.

Cynthia holds a doctorate and a post-doctorate in law and holds the CIPP/E (Certified Information Privacy Professional/Europe) certification awarded by the International Association of Privacy Professionals. She is the author of several publications (books, articles) and has participated in several conferences in Europe, Asia, Africa and Canada. She has also been a lecturer at both Université de Montréal and Université de Sherbrooke.


Post-doctorate, Université de Montréal, 2008

Bachelor of laws, LL.B., Université de Montréal, 2008

Doctorate (LMD), Université de Montréal and Université Panthéon-Assas (Paris II), 2003

Postgraduate Diploma (DEA), Civil and Commercial Law, Université René-Descartes (Paris V), 1997

Master’s degree in private law, Université Panthéon-Assas (Paris II), 1996

Rankings & Recognitions

Post-doctoral scholarship, Université de Montréal Ethical Research Centre (CRÉUM), 2005-2006

Recipient of the Excellence Award of the Association des Professeurs et Professeures en droit du Québec (APDQ), 2005

Research Scholarship, Institut international de Recherche en Éthique Biomédicale (IIREB), 2005

Award for the best thesis in the “social sciences” law category of Faculté des Études supérieures at Université de Montréal, 2004

Doctoral scholarship, Université de Montréal Ethical Research Centre (CRÉUM), 2002-2003





Other Publications

2021 – “Legal framework applicable to the transfer of personal information outside Québec”, Lexing Insights, Special international issue #30, International data transfers, pp. 16-17.

2021 – Contributed to the DataGuidance “Québec – Data Protection Overview | Guidance Note” with co-author Caroline Deschênes.

2008 – Guide pour l’élaboration d’une politique de confidentialité, Montréal, Chaire L.R. Wilson sur le droit des technologies de l’information et du commerce électronique 

2005 – Vie privée et commerce électronique, Montréal, Thémis


External Conferences


2019 – Rencontre HumanIA en Avignon, symposium organized by HumanIA (UQAM), Laboratoire Informatique d’Avignon, Avignon, November 26-28, 2019

2019 – Algorithme et État de droit, Symposium organized by Laboratoire de cyberjustice, Montréal, October 9, 2019

2019 – Développements récents en droit des renseignements personnels, symposium organized by Association des conseillers juridiques d’entreprises, Montréal, October 9, 2019

2018 – Loi + Vie privée dans 10, 20, 30 ans, symposium organized by the L.R. Wilson Chair, Montréal, November 5, 2018


2006-2008 – Lecturer, Université de Sherbrooke

2003-2007 – Lecturer, Université de Montréal

Professional Associations

Since 2019 – International Association of Privacy Professionals (IAPP) – CIPP/E

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