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Best Lawyers in Ontario, Canada for Professional Malpractice Law
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Contact UsDescribed 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...
Stephen Ronan is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law and Professional Malpractice Law. Stephen, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen is held by other top lawyers in the same geographic and legal practice area.
Practices in the area of health law including extensive trial experience in the medical malpractice area. Regularly represents physicians in proceedings involving the College of Physicians of Ontario and in Hospital privilege matters. Also practices insurance defence law including extensive trial experience in the defence of negligence claims against municipalities involving road design, road signage, construction and occupier's liability. Experience defending municipal police forces against ...
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 ...
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.
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.
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...
François Baril is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. François, who practices law in Ottawa, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which François is held by other top lawyers in the same geographic and legal practice area.
Lionel Tupman is a top attorney recognized by Best Lawyers in the practice area(s) of Professional Malpractice Law and Trusts and Estates. Lionel, who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lionel is held by other top lawyers in the same geographic and legal practice area.
Karen 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.
Elizabeth is a partner of Lerners LLP who has practiced civil litigation since being called to the bar in 1995. Her work focuses on claims arising out of sexual and physical abuse. Her experience also extends to discrimination and harassment claims, professional negligence, health and employment-related matters, and commercial disputes. She has acted in a number of significant cases, including the public inquiry into water safety in Walkerton, Ontario on behalf of the Medical Officer of Healt...
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.