Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation
Sean M. Sullivan is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insurance Law. Sean M., who practices law in Kitchener, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sean M. is held by other top lawyers in the same geographic and legal practice area.
Andre is a partner in Ottawa and practices in both official languages. Andre’s practice primarily encompasses banking, insolvency and restructuring litigation, representing major financial institutions, including chartered banks, credit unions and trust companies, as well as licensed insolvency trustee firms. Andre has extensive experience in complex insolvencies, receiverships and restructurings, and has appeared at all levels of Court in Ontario in such matters, including Commercial L...
Ren Bucholz is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Ren, who practices law in Toronto, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ren is held by other top lawyers in the same geographic and legal practice area.
Linda R. Rothstein is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Alternative Dispute Resolution, Appellate Practice, Bet-the-Company Litigation, Class Action Litigation, Corporate and Commercial Litigation, Health Care Law and Labour and Employment Law. Linda R., 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 Linda ...
Lisa Spiegel is a Partner with an advocacy practice in the health industry. Lisa works with public and private hospitals as well as other health care facilities on a broad range of professional staff matters, advising hospital Boards, Chiefs of Staff and Medical Advisory Committees. Lisa provides counsel on matters pertaining to, among other areas, professional staff credentialing, privileging and governance. She appears regularly before courts and administrative and regulatory tribunals, eng...
Fahad Siddiqui leads our public strategy group. He advises clients on bet-the-company litigation, regulation, and reputational problems. Fahad has successfully brought and defended cases involving contested legislation and regulatory decisions, M&A transactions, commercial claims, shareholder claims, proxy contests, board disputes, contract claims, insolvency disputes, and defamation. His recent work includes acting for international streaming services in a challenge to new internet regul...
Mark Polley is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation and Criminal Defence. Mark, 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 Mark 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.
David M. Golden is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Health Care Law. David M., 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 David M. is held by other top lawyers in the same geographic and legal practice area.
David Ziegler’s robust civil litigation and arbitration practice encompasses business-critical commercial and financial disputes, class actions, product liability matters, construction matters (including adjudications), and disputes requiring international arbitration. His vast experience acting for both Canada- and US-based companies is sought after for domestic and cross-border disputes, spanning a broad range of industries including mining, rail, professional services, insurance, ban...
Brian N. Radnoff is a partner at Lerners LLP in Toronto, in its Commercial Litigation Group. He is the practice group leader of the Appellate Practice Group. Mr. Radnoff’s practice involves work in many facets of commercial and complex litigation. He acts as counsel for clients in a wide variety of commercial disputes, including securities litigation, shareholder disputes, contractual disputes, professional liability, employment claims, administrative law, defamation claims, estate liti...
Executive Summary Gavin Tighe is a senior partner with Gardiner Roberts LLP and a member of the firm’s Executive Committee. Mr. Tighe is certified by the Law Society of Upper Canada as a Specialist in Civil Litigation and has appeared as lead counsel at all levels of Canadian Courts including the Supreme Court of Canada. He has significant experience successfully representing clients before securities industry tribunals in both Canada and the United States. Mr. Tighe also acts as counse...
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.
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.