Éloïse Gratton Ad. E.

Éloïse Gratton

Ad. E.

Partner and National Co-leader, Privacy and Data Protection

[email protected]
416.367.6225  514.954.3106

Éloïse is recognized internationally as a pioneer in the field of privacy. She co-leads the firm's national Privacy and Data Protection practice and is a member of the Partnership Board. She offers strategic advice relating to best business practices relevant to the monetization of big data and the use of artificial intelligence, in addition to providing support in crisis management situations (e.g. security breaches, privacy commissioners’ investigations, class actions) both nationally and internationally. She also advises companies and their board of directors on the management of personal information and the protection of privacy, including on issues relating to compliance, risk management, ethics and data governance.

Éloïse’s publications are consulted in Canada and abroad, used in law courses and cited in academic journals as well as in landmark privacy decisions by the Supreme Court of Canada. She authored Internet and Wireless Privacy: A Legal Guide to Global Business Practices, one of the first technology and privacy book in Canada (CCH, 2003). Her recent works include Managing Privacy in a Connected World (LexisNexis 2020), Privacy in the Workplace, 4th edition (LexisNexis, 2017), Practical Guide to e-Commerce and Internet Law (LexisNexis 2015) and Understanding Personal Information: Managing Privacy Risks (LexisNexis, 2013). In addition to being a sought-after lecturer and speaker, she is a regular commentator on current issues that affect privacy in Canada and the United States (Wall Street Journal, Fast Company). She is recognized as a leading expert in her field by privacy commissioners as well as by the federal and provincial governments. She has testified before the House of Commons’ Standing Committee on Access to Information, Privacy and Ethics (ETHI) and Standing Committee on Industry, Science and Technology (INDU).

She is nominated by her peers in the IT law and privacy category of Best Lawyers in Canada and recognized by Chambers as a leading lawyer (Band 1) in the area of privacy and data protection year after year. She was recently honored by Canadian Lawyer magazine as a forward thinker and selected twice as one of the country’s 25 most influential lawyers, as well as selected as one of Canada’s Top 100 Most Influential Women by the Women's Executive Network (WXN) in the “CIBC Trailblazers & Trendsetters” category.



  • Advised a consumer credit company in the response to a global security breach, including providing assistance relating to privacy regulators’ investigation.
  • Conducted global compliance assessments and implementation programs for Fortune 300 clients in the technology, media, financial services.
  • Assisted a Fortune 300 in the management of a large security incident involving ransomware.
  • Developed a framework for SOQUIJ to manage privacy risks when developing new solutions and products relying on Artificial Intelligence (referenced in the recent 2018 Quebec AI Committee report).
  • Conducted a comprehensive review of the client data privacy and security practices for one of Canada’s largest retailers.
  • Provided a legal opinion for a Fortune 300 financial institution business practice involving big data analytics and the development of consumer scores.
  • Led investigation of sophisticated cyberattack for a financial services company and its board of directors.
  • Defended a global technology company that specializes in Internet-related solutions relating to privacy class actions.
  • Assisted a large media company to comply with privacy law when deploying cutting-edge marketing strategies.

Beyond Our Walls

Professional Involvement

  • Board Member, Fédération de natation du Québec (FNQ)
  • Member, Canadian Chamber of Commerce, Digital Economy Committee
  • Member, International Association of Privacy Professionals

Awards & Recognitions

  • Recognized in the 2023 and previous editions of Chambers Canada — Canada's Leading Lawyers for Business (Band 1 - Privacy & Data Protection (Nationwide - Canada))
  • Recognized in the 2023 edition of Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada (Data & Privacy Protection).
  • Recognized in the 2022 and 2020 edition of Who's Who Legal (Data & Privacy Protection).
  • Honored by Canadian Lawyer magazine as a one of the 25 most influential lawyers (in 2016 and in 2021).
  • Recognized in the 2022 edition (and since 2020) of Lexpert Special Edition: Technology
  • Recognized in the 2022 edition of The Canadian Legal Lexpert® Directory (Advertising & Marketing Law; Computer & IT Law; Data Protection & Privacy; Technology Transactions), 2021 edition (Advertising & Marketing Law) and in 2021 and previous editions (Computer and IT Law)
  • Recognized in the 2016-2023 editions of The Best Lawyers in Canada®- (Privacy and Data Security Law) and as "Information Technology and Privacy and Data Security Lawyer of the Year — Montréal" in the 2019, 2021 and in the 2023 editions and recognized in 2023 as 'Lawyer of the Year'.
  • 2019 Québec Businesswoman Award (Prix Femmes d’affaires du Québec) in the Executive, Manager or Professional, Private Company category
  • Recognized in Acritas Stars 2019: Independently Rated Lawyer (Nominated as a stand-out lawyer by senior in-house counsel)
  • Selected as one of Canada’s Top 100 Most Influential Women in Canada by the Women's Executive Network (WXN) in the “CIBC Trailblazers & Trendsetters” category for 2018
  • Recognized by Lexpert® with a 2017 Zenith Award — Celebrating Women in Law

Bar Admission & Education

  • Québec, 1998
  • Ontario, 2022
  • LLD (Hons.), Université Paris 2 Panthéon-Assas and Université de Montréal, 2012
  • LLM, Université de Montréal (IT law), 2002
  • LLB, Université de Montréal, 1997
  • ICD.D., Corporate Governance, Institute of Corporate Directors, 2022