Best Lawyers in Canada for Professional Malpractice Law

Dara M. Lambe is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Dara M., who practices law in London, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dara M. is held by other top lawyers in the same geographic and legal practice area.

Mario Welsh is a recognized leader in the field of civil and commercial litigation, construction law and professional liability. He has appeared before every level of federal or provincial court - from the Court of Québec to the Supreme Court of Canada as well as before various administrative tribunals. He joined BCF in 2014, and has since been managing partner of the Québec office. Mario excels in several other areas of law, including class actions. He has been involved in some...

James M.O. Miller is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence and Professional Malpractice Law. James M.O., who practices law in Ottawa, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James M.O. is held by other top lawyers in the same geographic and legal practice area.

Gavin Cameron is a litigator in Vancouver with a focus on commercial disputes and white-collar criminal investigations. Appearing as successful counsel in more than 100 reported decisions, including more than thirty appeals, he advises on contractual disputes, shareholders’ remedies, defamation, commercial fraud, and regulatory prosecutions. A significant part of Gavin’s practice involves acting for individuals and corporations subject to criminal and quasi-criminal investigations...

Tim Goepel is a Partner in the Litigation & Dispute Resolution Group at Watson Goepel LLP. He conducts a broad civil litigation practice that focuses on commercial litigation, claims involving professional negligence, partnership/shareholder disputes, and employment matters. A committed advocate, Tim places a high value on responsiveness and clear communication throughout the dispute-resolution process, ensuring that his clients remain well-apprised each step of the way. Tim has experienc...

Kim Wigmore's practice involves a broad range of insurance litigation with a focus on casualty, professional liability, and transportation-related insurance issues. He appears frequently in the Supreme Court of British Columbia, the Federal Court of Canada, and the British Columbia Court of Appeal. Kim also has extensive experience in mediations. Kim's particular areas of experience include: acting for defendants in all types of transportation-related accidents. including bodily injury and wr...

Practices in the areas of health law, appellate litigation and commercial litigation with focuses on commercial arbitrations, business and contractual disputes, shareholder disputes, administrative and public law, tribunals and commissions, professional negligence discipline, employment disputes, and appeals Professional Achievements and Recognition Certified as a Specialist in Civil Litigation by the Law Society of Upper Canada Recognized and recommended by Lexpert as a leading lawyer in the...

Robert Sheahan is a partner in Gowling WLG's Ottawa office. Robb's practice focuses primarily on health law and medical defence, including acting as counsel to the Canadian Medical Protective Association (CMPA) and to physicians in the context of professional discipline matters and professional negligence. Robb has appeared before the Ontario Provincial Court, Superior Court of Justice, Court of Appeal, as well as various administrative boards and tribunals, such as health professions boards ...

Susan Gunter, partner since 2002 at Dutton Brock LLP, holds an LLM in Civil Litigation (Osgoode), an LLB (UNB) and was called to the Ontario Bar in 1996. Susan is recognized in The Best Lawyers in Canada (Products Liability Law, Insurance Law, Personal Injury Litigation, Professional Malpractice Law and ADR) and in the Canadian Legal Lexpert Directory as Most Frequently Recommended Personal Injury - Represents Defendants . Her litigation practice in defence of domestic and international corpo...

As a shareholder and senior lawyer at Foster & Company, my broad-based litigation practice includes insurance defense, commercial litigation, complex multi-party actions, product liability, medical and professional malpractice and personal injury cases throughout the Maritimes. I have appeared at all levels of Court in New Brunswick as well as a number of administrative tribunals. After graduating from the University of New Brunswick with my Bachelor of Arts (1992) and Bachelor of Laws (1...

Kelly Murray joined Whitelaw Twining in 2017. Prior to joining the firm, Kelly worked for over 17 years with boutique litigation firms in Vancouver and focussed her practice on professional liability claims. Before that she gained early trial experience as an Assistant Crown Attorney in Ontario for four years. She now continues her professional liability practice at Whitelaw Twining defending real estate agents and lawyers against claims made against them in their professional capacity. Kelly...

Stuart Zacharias is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law, Medical Negligence and Professional Malpractice Law. Stuart, 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 Stuart is held by other top lawyers in the same geographic and legal practice area.

Marie-Louise Delisle is a partner at Woods LLP, a leading Montreal litigation boutique. She has near twenty years of experience in the fields of commercial and civil litigation. She is involved in several major cases, more specifically in matters relating to securities, class actions, and professional liability, including that of accountants and stockbrokers. She is recognized as having a vast trial experience in addition to handling countless matters relating to injunctions, including Anton ...

Nadia Marotta is a top attorney recognized by Best Lawyers in the practice area(s) of Director and Officer Liability Practice, Health Care Law, Insurance Law and Professional Malpractice Law. Nadia, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nadia is held by other top lawyers in the same geographic and legal practice area.

Jean-François Gagnon is the Chief Executive Officer of Langlois Lawyers. He is also a member of the firm’s Executive Committee and Board of Directors. His practice focuses on complex commercial litigation, corporate governance, strategy, crisis management, ethics and deontology. He has wide-ranging experience in matters involving directors’ and officers’ liability, the management of not-for-profit organizations, construction law and insurance law. Jean-François...

Donald Dow is a partner in the firm's Ottawa office practising in the advocacy department. Donald’s practice is focused in the area of medical defence litigation, health law and professional disciplinary proceedings. Donald has over 17 years of experience in malpractice litigation, medical device/instruments liability claims, class actions and has handled numerous civil trials. He has appeared as counsel at the Ontario Court of Appeal and the Supreme Court of Canada. Donald heads our Ot...