Best Lawyers in Canada for Class Action Litigation
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Province
Peter Jervis is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation. Peter, who practices law in Toronto, Ontario, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.
Sophie Melchers practises mainly in the areas of commercial, corporate and securities litigation. She has represented clients before the Quebec courts and the Supreme Court of Canada in connection with disputed take-over bids, dissenting shareholder remedies, plans of arrangement, insider trading and market manipulation. Her broad experience in securities litigation also encompasses representation of reporting issuers and their officers in connection with investigations conducted by the AMF, ...
Malcolm Ruby is a partner in Gowling WLG's Toronto office and former head of the firm's National Class Action Practice Group. Malcolm's practice focuses on class actions, securities litigation, and trans-border disputes. He has defended class proceedings — many of which are national or international in scope — relating to drug and medical device product liability, banking, consumer protection, and pensions. He has acted on behalf of the Ontario Securities Commission and the United...
Patrick Flaherty is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation, Corporate and Commercial Litigation and Director and Officer Liability Practice. Patrick, who practices law in Toronto, Ontario, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick is held by other top lawyers in the same geographic and legal practice area.
Daniel Bach is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation. Daniel, who practices law in Toronto, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.
An award-winning and highly sought-after lawyer, Guy has experience in complex commercial litigation (including class actions), administrative law and constitutional law cases. Guy frequently appears before the Supreme Court of Canada (SCC), the Superior and Appeal Courts of Ontario and Québec, the Federal Court (FC) and Federal Court of Appeal (FCA). Guy was named to the Order of Canada in 2022, recognizing his contributions as a lawyer, notably to pro bono work, and for his volunteer...
Jean Bertrand focuses on commercial and corporate litigation, including class actions and arbitration, and on administrative law, with emphasis on regulated activity such as competition, transportation, international trade and energy. He has appeared frequently before Quebec and federal courts, including the Supreme Court of Canada, as well as before regulatory boards such as the Commission des transports du Québec, the Régie de l’énergie, the Competition Tribunal, ...
Robert has extensive experience in oil and gas litigation and arbitrations, construction litigation, contract breach cases, First Nations governance, pension litigation and defamation actions, and he has represented clients in professional disciplinary matters before the Alberta Securities Commission, APEGGA, CREB and the Professional Conduct Committee of the Canadian Institute of Actuaries. He acts for a range of clients, from large corporations, pension funds and public institutions to indi...
Seasoned litigator Marc Beauchemin is a key player on Montréal’s municipal and legal scene. As Chair of De Grandpré Chait's Board of Directors and Executive Committee, Marc Beauchemin plays a central role within the firm. His legal practice has two foci. In his first area of practice, municipal law, he represents the private interests of his clients, particularly major property owners, in the context of real estate developments throughout Québec. He and his speciali...
Vincent de l’Étoile is a partner of the litigation group and he is a member of the firm’s Board of Directors. He has specialized mainly in the fields of civil and commercial litigation, class actions, product liability, consumer law and competition law. Vincent is a creative and dedicated lawyer combining pragmatism and depth to satisfy clients’ needs. He is leading cases, advises and assists his clients in various fields. His practice is mainly characterized by the d...
Karim Diallo is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation. Karim, who practices law in Québec, Quebec, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karim is held by other top lawyers in the same geographic and legal practice area.
Doug founded IMK in 1997 with the late Colin K. Irving. In the course of his career, he has acted as lead counsel in many complex cases, participated in trials covered by the media, advised clients on delicate issues and played key roles in crisis management to avoid or settle disputes. His career and his way of intervening in cases have earned him the respect of all the courts before which he has pleaded. He has acted for the Chief Justice of Quebec and the Canadian Judicial Council and has ...
Josée Cavalancia is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation and Corporate and Commercial Litigation. Josée, who practices law in Montréal, Quebec, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Josée is held by other top lawyers in the same geographic and legal practice area.
Pavel Sergeyev is a partner in the firm’s litigation and dispute resolution group. His practice focuses primarily on the defence of complex, multijurisdictional class action proceedings. Pavel routinely represents clients in significant and precedent-setting litigation matters. As part of his practice, Pavel frequently works with expert witnesses and is well-versed in managing large and complex documentary productions.
Katherine Shapiro is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation. Katherine, who practices law in Vancouver, British Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine 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.