Best Lawyers in Canada for Privacy and Data Security Law
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Lonny Rosen is a founding partner of the Toronto, Ontario health and regulatory law firm Rosen Sunshine LLP. He has been certified by the Law Society of Ontario as a Specialist in Health Law. Lonny advises on a wide variety of health and regulatory law issues. His clients include health care professionals, administrators of health care facilities, professional associations, and individuals. He represents clients in a range of civil and administrative proceedings, including in complaint and di...
As a member of the administrative law team, Raymond Doray heads the information law practice and, more particularly, is involved in issues pertaining to access to information, privacy and defamation, as well as the application of the Canadian and Quebec charters of rights and freedoms. He is also specialized in constitutional law. Over the past few years, Mr. Doray has represented many public, private and media organizations before the courts in cases involving the confidentiality of document...
Marcel Naud is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Privacy and Data Security Law. Marcel, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcel is held by other top lawyers in the same geographic and legal practice area.
Nader R. Hasan is a top attorney recognized by Best Lawyers in the practice area(s) of Aboriginal Law / Indigenous Practice, Administrative and Public Law, Appellate Practice, Criminal Defence and Privacy and Data Security Law. Nader R., who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nader R. is held by other top lawyers in the same geographic and legal practice area.
Daniel is a leading practitioner in the areas of defamation, privacy and media law. Daniel maintains a robust practice focused on defamation and privacy law, with a particular focus on online defamation and breaches of privacy. In addition, Daniel practices in insurance and professional negligence cases. Dan has more than fifteen years of experience advising clients and serves as co-chair of our privacy and data protection group. In this area of practice, Daniel has acted in high profile defa...
Antoine Guilmain is a partner in Gowling WLG's Montréal office where he co-leads the firm's national Cyber Security and Data Protection Law Group. He holds two PhD's in Information Technology Law from the University of Paris 1 Panthéon-Sorbonne and the University of Montréal. He has published multiple monographs and articles, frequently gives conferences, and teaches at several universities.
Nareg is a technology lawyer with Fasken's Privacy and Cybersecurity group. He provides practical and actionable advice to some of Canada’s leading institutions and startups. His practice focuses on data protection issues, with a particular penchant for cybersecurity breach preparation and response (incl. bespoke advisory work, gap assessments, crisis simulation, and holistic breach response). His breach response work has helped organizations navigate complex cybersecurity events in a v...
Soleïca Monnier is a lawyer in our Privacy and Cybersecurity practice group whose practice is focused on information technology law and personal information protection. She regularly shares her experience with lawyers and other stakeholders in this sector at conferences, and has authored numerous publications in this area. Soleïca provides strategic advice to companies, start-ups, and government departments and agencies on complex issues concerning privacy laws, such as in sensitive...
Aya Barbach is a lawyer within the Data Protection, Privacy and Cybersecurity Group. She practises in the areas of data protection, privacy, access to information, cybersecurity, and online marketing. Aya advises and supports both private businesses and public bodies on all matters relating to information technology and to data protection. In particular, Aya practices in the area of all legal and governance issues concerning the protection of personal information and privacy, including the ma...
Nathaniel is an Associate with Harper Grey and a member of our Health and Privacy Law Groups. In his privacy practice, Nathaniel assists professionals and private organizations in responding to privacy breaches and requests for personal information under the provincial Personal Information Protection Act and Freedom of Information and Protection of Privacy Act , as well as the federal Personal Information Protection and Electronic Documents Act . He also helps organizations draft and implemen...
Katie is an associate in the McKercher LLP Saskatoon office. Katie maintains a general civil litigation practice with a primary focus on insurance defence and health law. She has appeared before all levels of court in Saskatchewan, as well as various administrative tribunals. As part of her practice, Katie has a particular focus in privacy law, advising clients from a broad range of industries on information privacy, access to information, data sharing, privacy law interpretation and complian...
Antoine Rancourt is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Antoine, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antoine is held by other top lawyers in the same geographic and legal practice area.
Nayla El Zir is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Nayla, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nayla is held by other top lawyers in the same geographic and legal practice area.
Roxanne Caron is a privacy and technology lawyer. Her practice focuses on information governance, data privacy, cybersecurity and commercial intellectual property. She advises clients on compliance with all Canadian federal and provincial privacy, data protection and data management laws, cybersecurity breaches and reporting. She also regularly assists in corporate mergers and acquisitions, with respect to intellectual property, IT, privacy and various technology aspects.
Geneviève is a member of the Intellectual Property and Life Sciences Groups at the Québec City office. In intellectual property, she advises clients in both litigation and in contract matters in various fields of intellectual property law, including trademarks. As part of her practice, she also drafts and negotiates different types of contracts such as contracts for services, licensing and distribution, and participates in due diligence of intellectual property assets as part of...
Iara Griffith is a lawyer in the Privacy and Cybersecurity group at our Montreal office. In her practice, she advises clients from various industries on issues related to Canadian privacy laws, health information, and other related laws. She is interested in the intersection of privacy, emerging technologies, and the ethical aspects of artificial intelligence. Iara provides services to organizations across various sectors, both private and public, to ensure compliance with ever-evolving priva...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.