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Best Lawyers in Ontario, Canada for Professional Malpractice Law
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Contact UsKaren Hamway is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Professional Malpractice Law. Karen, who practices law in Ottawa, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karen is held by other top lawyers in the same geographic and legal practice area.
Yola S. Ventresca is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation, Health Care Law, Medical Negligence and Professional Malpractice Law. Yola S., who practices law in London, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yola S. is held by other top lawyers in the same geographic and legal practice area.
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.
Brooke F. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence and Professional Malpractice Law. Brooke F., who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brooke F. is held by other top lawyers in the same geographic and legal practice area.
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...
Scott W. Beattie is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Legal Malpractice Law and Professional Malpractice Law. Scott W., who practices law in Hamilton, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott W. is held by other top lawyers in the same geographic and legal practice area.
William Pepall has, for over 30 years, specialized in the field of civil and commercial litigation. He has pleaded cases before all levels of court in Ontario and before the Supreme Court of Canada and the Federal Court. Special appearances have been made before the SEC, the OSC, the Estey Inquiry into Banking, and courts in Manitoba, South Carolina, California and British Columbia. Mr. Pepall has broad and diverse experience in the civil litigation field. He has developed particular expertis...
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...
Shannon Gaudet is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Shannon, 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 Shannon is held by other top lawyers in the same geographic and legal practice area.
Josh Koziebrocki is the principal lawyer and founder of Koziebrocki Law. Josh is an experienced litigation lawyer and advocate who has appeared extensively before courts, tribunals, and regulatory bodies. His practice focuses on defending professionals in regulatory and disciplinary proceedings. He works with professionals in difficult and challenging situations involving their license to practice. Josh has represented countless professionals before licensing bodies from the complaint process...
Described by his peers as ‘the gold standard in this space, a phenomenal litigator’, for more than thirty years Jonathan has won landmark decisions across a broad variety of subject matter including competition law, constitutional law, liability of public authorities, professional liability, criminal law, financial services, franchise law and contract disputes. He has tried over 90 cases to judgment and argued over 55 appeals in provincial appellate courts and the Supreme Court of...
Ruba El-Sayegh is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. Ruba, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ruba is held by other top lawyers in the same geographic and legal practice area.
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.