Best Lawyers in Canada for Professional Malpractice Law

Philippe Frère practices primarily in the areas of administrative and regulatory disputes. Over the years, he has acquired considerable experience in every aspect of administrative and regulatory law, with a focus on regulatory bodies. He regularly provides legal advice to a number of private and public sector clients, including professional orders, on administrative law, legislative drafting, constitutional law, judicial review and injunctions. Mr. Frère frequently acts in prof...

Audrey Gagnon practises primarily commercial litigation, civil liability and contractual liability. Audrey regularly provides legal opinions on the prevention and resolution of disputes in these areas. A seasoned litigator, Audrey also advises clients on the development and evolution of proceedings before the civil courts. She has specific expertise in professional liability and insurance companies trust Audrey to defend their clients, namely dentists, lawyers, surveyors and other professiona...

Brooke F. Smith is a lawyer recognized by Best Lawyers in the practice areas of Medical Negligence and Professional Malpractice Law. Brooke F. practices law in Ottawa, Ontario Best Lawyers has recognized Brooke F. Smith since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Brooke F. Smith is held by other lawyers.

Valérie Déziel represents and advises healthcare institutions, professionals, professional bodies, and trustees. She regularly appears before civil courts and disciplinary bodies. She has a keen interest in personal injury assessments. She is respected by her peers and stands out for her listening skills and the innovative solutions she offers.

Catherine Simard practises mainly in construction law and civil and professional liability. She also handles consumer law issues. She has represented various clients before the Court of Quebec and the Quebec Superior Court.

Partner at Woods, Bodgan Catanu’s practice focuses on complex commercial disputes. He has extensive experience in high-stakes contractual matters, class actions, and corporate litigation. He has pleaded before the first instance and appeal tribunals of the province of Québec. He acted as lead counsel in several commercial arbitrations, notably a $200 million supplier–distributor UNCITRAL arbitration. He was recently co-lead counsel for certain bondholders of Nemaska Lithium...

Ruba El-Sayegh is a lawyer recognized by Best Lawyers in the practice areas of Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. Ruba practices law in Ottawa, Ontario Best Lawyers has recognized Ruba El-Sayegh since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ruba El-Sayegh is held by other lawyers.

Shantona co-founded Pape Chaudhury in 2018. She represents both individual and institutional clients in civil and commercial disputes. Her practice includes commercial litigation, class actions, torts, professional discipline, professional negligence, administrative, constitutional, and public international law. Shantona has considerable expertise in appeals: she has been counsel in over 30 cases at the Ontario Court of Appeal and has successfully argued at the Supreme Court of Canada. She al...

Karen Pirie, KC is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law, Medical Negligence and Professional Malpractice Law. Karen practices law in Calgary, Alberta Best Lawyers has recognized Karen Pirie, KC since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Karen Pirie, KC is held by other lawyers.

One of Canada’s leading litigators, Gillian is renowned for her empathy, fearless advocacy, and dedication to her clients. Gillian maintains a diverse civil litigation practice involving administrative and public law, professional liability (as preferred counsel for LAWPRO), health law, employment law, and general commercial litigation. Most notably, Gillian is one of Canada’s leading experts in gender-based violence and frequently takes on cases involving sexual assault, abuse, h...

James M.O. Miller is a lawyer recognized by Best Lawyers in the practice areas of Medical Negligence and Professional Malpractice Law. James M.O. practices law in Ottawa, Ontario Best Lawyers has recognized James M.O. Miller since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which James M.O. Miller is held by other lawyers.

Jeffrey Feiner is a lawyer recognized by Best Lawyers in the practice areas of Administrative and Public Law, Alternative Dispute Resolution, Professional Malpractice Law and Corporate and Commercial Litigation. Jeffrey practices law in Toronto, Ontario Best Lawyers has recognized Jeffrey Feiner since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Je...

Martin Lapner is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law, Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. Martin practices law in Ottawa, Ontario Best Lawyers has recognized Martin Lapner since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Martin Lapner is held by other lawyers.

Tim Ryan is a partner in Gowling WLG's Calgary office. He practises actively in the area of health law, professional regulation and professional liability. Tim's practice includes class action proceedings, administrative law and the defence of medical, pharmacist and engineering malpractice cases. He also has an interest in public and private international law matters. While at Cambridge, Tim concentrated his studies in public and private international law, including studies at the Lauterpach...

François Marchand helps build a solid plan for your project. François Marchand focuses his practice on professional and insurance law, including professional liability and disciplinary law. He also works in commercial and construction litigation. His clientele consists mainly of SMEs in various industries, including construction, technology services, franchising, distribution and insurance. He also serves individual professionals and professional organizations, including the Ord...

Maureen Murphy is a partner in the firm’s Ottawa office. She practices in the areas of medical law and privacy law. She has experience representing clients before the Federal Court, Superior Court of Justice, as well as various administrative tribunals. Maureen has a particular interest in information technology and privacy law issues that affect medical professionals. Maureen provides businesses with advice on how to comply with Canada’s privacy laws. She assists clients in devel...