Éloïse is a partner and Co-Chair of Osler’s national Privacy and Data Management practice. Recognized nationally as a pioneer in the field of privacy, she advises corporations and their boards on compliance, crisis and risk management, cyber incidents, ethics and data governance matters, including in the evolving area of artificial intelligence. Éloïse also represents clients on privacy regulatory investigations.
Ranked Band 1 by Chambers Canada in Privacy & Data Management, Éloïse offers strategic support to Canadian and international clients. She has authored several books in the privacy law area used in law courses and cited by academic journals and landmark privacy decisions of the Supreme Court of Canada. Éloïse serves as a member of the Canadian Chamber of Commerce Innovations & IP Committee and has testified before parliamentary committees on information, privacy and technology. She is a member of the Institute of Corporate Directors and is a board member of Canada Health Infoway.
Éloïse was recently honoured by Canadian Lawyer magazine as a forward thinker and selected twice as one of the country’s 25 most influential lawyers. She has also been named one of Canada’s Top 100 Most Influential Women by the Women’s Executive Network (WXN) in the “CIBC Trailblazers & Trendsetters” category.
Areas of Expertise
Representative Work
- Medici Technologies Inc.
Medici Technologies Inc. (dba Livewell) in its sale to Hims & Hers
Medici Technologies Inc. (dba Livewell) in its sale to Hims & Hers
Prior to joining Osler:
- assisted an American computers and information technology company in relation to an investigation from the Office of the Privacy Commission of Canada pertaining to its AI tool.
- assisted a Canadian chain home improvement retailer in relation to an investigation from the Office of the Privacy Commission of Canada pertaining to its use of offline conversion tools.
- assisted an American multinational technology company to support its launch of new product features or services, such as enhanced search capabilities on its e-commerce website, real-time package delivery tracking and personalized features on its digital streaming service.
- retained by a multinational pharmaceutical company to advise on privacy compliance issues in connection with various business activities, such as patient support programs and digital marketing initiatives, as well as facilitating global cross-border data transfers.
- retained by a central bank to advise on the creation and implementation of a blockchain-based Central Bank Digital Currency (CBDC), which included advising on the legal and regulatory framework governing CBDC and assisting the client in implementing privacy by default and by design principles.
Latest Insights
-
Osler Update November 28, 2025
The privacy officer’s changing role in the age of innovation and AI
A panel discussion on emerging privacy risks and the changing role of in-house counsel was an important part of the second annual Privacy Conference...
Read more -
Osler Update November 21, 2025
Cybersecurity and privacy: key takeaways from our second annual conference
In October, Osler’s Montréal office hosted the firm’s second annual Privacy Conference, organized by the Privacy and Data Management team.
Read more -
Webinar October 27, 2025
AccessPrivacy Workshop: On Safe AI Systems and Public Trust
AccessPrivacy interactive and online workshop focused on Canada's renewed AI Strategy, in response to the public engagement "sprint" launched...
Read more -
Webinar July 29, 2025
AccessPrivacy Workshop: the OPC’s Exploratory Consultation on the Development of a Children’s Privacy Code
A public consultation has been commenced by the Office of the Privacy Commissioner of Canada (OPC) to solicit stakeholder input on the OPC's...
Read more
Awards and Recognition
-
Recognized in Privacy and Data Protection (Band 1)
—Chambers Canada: Canada’s Leading Business Lawyers -
Recognized in Advertising & Marketing Law; Computer & IT Law; Data Protection & Privacy; Corporate Commercial Law; Technology Transactions
—The Canadian Legal Lexpert Directory -
Recognized in the 2025 edition (and since 2020) in Technology
—Lexpert Special Edition -
Recognized in Data & Privacy Protection
—Lexpert’s Leading 500 Cross-Border Lawyers: A Guide to Doing Business in Canada
-
Recognized in the 2025 editions (and since 2016) — (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 and 2025 as “Lawyer of the Year”
—Best Lawyers in Canada -
Recognized in the 2023 Women in Law Leadership Stronger Together Award
-
Recognized as a 2023 Thomson Reuters Stand-out Lawyer
-
Honoured as one of the 25 most influential lawyers (in 2016 and in 2021)
—Canadian Lawyer magazine
Media Mentions
-
Osler News June 4, 2025
25 Osler lawyers recognized in Lexpert Special Edition: Technology 2025
Osler is proud to announce that 25 of our lawyers are recognized in the Lexpert Special Edition: Technology 2025. This prestigious edition...
Read more -
Osler News May 21, 2024
Prominent privacy lawyers Éloïse Gratton and François Joli-Coeur join Osler’s market-leading national Privacy and Data Management practice
Osler is pleased to welcome prominent privacy law practitioners Éloïse Gratton and François Joli-Coeur to the firm’s market-leading national...
Read more
Community Involvement
- Canada Health Infoway, Board Member
Speaking and Writing
Speaking Engagements
AccessPrivacy Workshop: the OPC’s Exploratory Consultation on the Development of a Children’s Privacy Code
Read moreAccessPrivacy Monthly Call: Legislative Reform in the Canadian Privacy and Data Arena
Read morePublished Work
- “Québec’s Anonymization Requirements One Year Later: Lessons and Lingering Questions for Businesses”, Canadian Privacy Law Review, Vol. 22, no. 9, August 2025 (with Katelyn Smith, Andy Nagy and Catherine Hart)
- “An Update on New Québec Confidentiality Incidents and Record-Keeping Requirements,” Electronic Healthcare Law Review, Vol. 12, no. 2, November 2022 (with Daniel El Khoury and Eric Charleston)
- “Les mutations causées par l’intelligence artificielle (IA),” Droit-Montréal, no. 28, p. 44, October 2021 (with Nicolas Vermeys)
- “The Right to Erasure of Personal Information in Canada: Between Fact and Fiction,” Canadian Privacy Law Review, Vol. 18, 10, September 2021 (with Simon Du Perron and Andy Nagy)
- “Canada’s Consumer Privacy Protection Act: Impact for Businesses,” Canadian Privacy Law Review, Vol. 18, no. 2, January 2021 (with Elisa Henry, Daniel Michaluk, Ira Parghi, François Joli-Cœur, Max Jarvie, Katherine McNeill and Andy Nagy)
- “OPC Lays Groundwork for a Canadian Right to Be Forgotten in Recent RateMDs Privacy Decision,” Canadian Privacy Law Review, Vol. 18, no. 1, December 2020 (with Andy Nagy)
- “Anonymous Video Analytics’ Future Uncertain After Canadian Privacy Regulators’ Investigation,” Canadian Corporate Counsel, Vol. 29, November 2020 (with Andy Nagy)
- “Manufacturers of Internet of Things: Guidance from the Canadian Federal Privacy Commissioner,” Canadian Privacy Law Review, Vol. 17, 2020 (with Edona C. Vila and Max Jarvie)
- “Proposed Amendments to Québec Privacy Law: Impact for Businesses,” Canadian Privacy Law Review, Vol. 17, no. 9, August 2020 (with Elisa Henry, François Joli-Coeur, Max Jarvie and Andy Nagy)
- “Privacy Commissioners’ Report of Findings on Aggregate IQ: Challenges with Position on Service Providers’ Obligations,” Canadian Privacy Law Review, Vol. 17, 2020 (with Max Jarvie)
- “When is it legal to repurpose publicly available information for commercial purposes?” Canadian Privacy Law Review, Vol. 17, 2019 (with Andy Nagy)
- “La protection des renseignements personnels dans le secteur privé au Québec : rétrospectives et perspectives, ”Développements récents en droit de la vie privée, Vol. 465, Thomson Reuters Canada Limitée, 2019 (with Antoine Guilmain)
- “Frequently Asked Questions—PIPEDA’s Security Breach Obligations,” Canadian Privacy Law Review, Vol. 16, 2019 (with Bradley Freedman and Elisa Henry)
Credentials
Education
- University of Montréal, LL.M
- University of Montréal, LL.B.
- Université Paris 2 Panthéon-Assas and University of Montréal, LL.D (Honours)
- Institute of Corporate Directors, ICD.D., Corporate Governance
Languages
- English
- French
Professional Affiliations
- Canadian Chamber of Commerce, Digital Economy Committee, Member
- International Association of Privacy Professionals, Member