Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation
Crawford combines expertise with strategy to represent clients in corporate and commercial litigation, regulation, securities, professional liability, energy proceedings, insurance, competition litigation, public and administrative law, with substantial expertise in class actions. He has significant experience engaging complex disputes that demand subject-matter experience involving specialized and highly regulated industries in the energy, infrastructure, telecommunications, and financial se...
Melissa MacKewn has been widely and repeatedly recognized within the profession as one of Canada’s leading securities and corporate commercial litigation lawyers. Among other recognitions, Melissa has been twice voted by her peers as Best Lawyers Securities Lawyer of the Year and is part of a small and prestigious group of litigation lawyers in Canada selected by Best Lawyers, based on peer review, as “bet the company” litigation counsel. Melissa has one of the deepest and m...
Ellen Bessner is an experienced, tough-minded commercial litigator, known for her determination and common sense advice. After 25 years of practice on Bay Street at prominent Canadian law firms, Cassels Brock & Blackwell LLP and Gowling WLG, Ellen joined Babin Bessner Spry LLP in 2014, where she is a leader in commercial and securities litigation, employment litigation, insurance defence, directors’ and officers’ liability, professional negligence, class actions, and regulator...
Ian J. Roland is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation and Labour and Employment Law. Ian J., 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 Ian J. is held by other top lawyers in the same geographic and legal practice area.
Sean S. Carter is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Sean S., 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 Sean S. is held by other top lawyers in the same geographic and legal practice area.
Keith A. MacLaren is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Keith A., who practices law in Ottawa, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith A. is held by other top lawyers in the same geographic and legal practice area.
John F. Rook KC is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation, Competition / Antitrust Law and Corporate and Commercial Litigation. John F., 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 John F. is held by other top lawyers in the same geographic and legal practice area.
Michael Crichton is a partner in Gowling WLG's Ottawa office and the Canadian leader of Gowling WLG's Intellectual Property Litigation & Strategy Group. Michael has well over a decade of experience as an intellectual property litigator and strategic adviser. Both his domestic and international clients consist of companies engaged in a wide range of technologies, including mechanical, electrical, computer hardware and software, manufacturing/fabrication, communications, and related technol...
M. Scott Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. M. Scott, 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 M. Scott is held by other top lawyers in the same geographic and legal practice area.
Paul practice focuses on corporate commercial litigation and arbitration, shareholder and fraud litigation, appellate litigation and judicial review with particular expertise in complex cases with a regulatory or cross-border dimension. He has litigated cases involving failed hedge funds, derivatives, fraud and Ponzi schemes, arbitration-related court proceedings, shareholder disputes, construction and infrastructure, defamation and employment law. A highly experienced and versatile litigator...
David Rosenbaum practices in the areas of civil litigation and health law. He has assisted clients in all types of commercial litigation, as well as estate litigation and insurance litigation and he provides advice on health regulatory matters. David represents clients in commercial disputes, including large commercial fraud cases. His extensive experience dealing with complex legal and factual issues includes acting in several large cases involving disputes arising from commercial lease fina...
Edward Babin has practiced complex litigation in Canada for over 30 years. He was for many years a senior partner in the highly ranked litigation departments of both Torys LLP and Davies Ward Phillips & Vineberg LLP. He has appeared at all levels of court in Ontario, as well as before the Superior Courts and Courts of Appeal of several Canadian provinces, and the Yukon, as well as the Federal Court and the Supreme Court of Canada. He has also appeared before a wide variety of administrati...
Danielle Marks is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Danielle, who practices law in Guelph, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle 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.
Michael Fenrick is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice, Corporate and Commercial Litigation and Labour and Employment Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.
A former Bay Street law firm partner, Marlon formed and built the firm’s platform for delivering e-discovery and information governance services. Motivated by his keen interest in meaningful legal innovation and recognizing a gap in the market for a seamless platform designed to deliver flexible, sophisticated legal and technology expertise, innovative technology and resourcing models all in one place, Marlon founded INNOV-8 Data Counsel & INNOV-8 Legal Inc. INNOV-8 is a law firm an...
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.