Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation

Jessica Warwick is a litigator with a wide-ranging dispute resolution, investigations, and regulatory practice. In her litigation practice, Jessica acts for businesses, institutions, and professionals in a broad spectrum of corporate and commercial disputes, insurance matters, and professional liability claims. She has appeared before all levels of court in Ontario. Jessica's investigations practice involves conducting internal investigations into alleged statutory violations and providing ad...

Phedely is an associate in Gowling WLG's Ottawa office. He represents individuals, professionals, public entities, not-for-profit organizations and private companies in both English and French. His litigation practice focuses on medical defence, health law, professional liability and administrative law. His practice also includes general commercial disputes and sports law matters. Phedely received his law degree from the University of Ottawa, where he graduated Magna Cum Laude. He was a membe...

Mitchell Fournie is a litigator with a focus on corporate and commercial disputes. He acts for both plaintiffs and defendants in a wide range of business disputes, including breach of contract claims, shareholder rights, professional negligence, fraud, defamation, investment loss, and insurance coverage litigation. Mitchell has represented clients in trials and appeals at all levels of court in Ontario, the trial courts of British Columbia, Saskatchewan, Newfoundland and Labrador, several adm...

Natalie E. Carrothers is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Health Care Law. Natalie E., who practices law in London, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Natalie E. is held by other top lawyers in the same geographic and legal practice area.

Neil Abraham is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Corporate and Commercial Litigation. Neil, who practices law in Ottawa, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Neil is held by other top lawyers in the same geographic and legal practice area.

Kartiga Thavaraj is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Corporate and Commercial Litigation. Kartiga, 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 Kartiga is held by other top lawyers in the same geographic and legal practice area.

Michael Tersigni is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Michael, who practices law in Toronto, Ontario, has been recognized since 2025. 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.

Daniel Goudge is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Corporate and Commercial Litigation. Daniel, who practices law in Toronto, Ontario, has been recognized since 2026. 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.

Heather Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insolvency and Financial Restructuring Law. Heather, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heather is held by other top lawyers in the same geographic and legal practice area.

Robert maintains a broad litigation practice focused on commercial disputes, securities litigation, employment claims, and public law matters. He has acted as lead counsel at all levels of court in Ontario, as well as at the Capital Markets Tribunal. Robert’s passion for sport has developed into an active sports law practice, representing athletes and organizations in sports disputes, as well as acting as investigator, mediator, and arbitrator for a number of National Sport Organization...

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.

Mitchell C. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Medical Negligence. Mitchell C., who practices law in London, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mitchell C. is held by other top lawyers in the same geographic and legal practice area.

Glynnis Hawe 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 and Labour and Employment Law. Glynnis, 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 Glynnis is held by other top lawyers in the same geographic and legal practice area.

Simon Gollish is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insurance Law. Simon, 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 Simon is held by other top lawyers in the same geographic and legal practice area.

Spencer is part of the Restructuring and Insolvency, Appeals, and Commercial Litigation groups at Lerners LLP. He advises lenders and borrowers on insolvency matters, taking a practical, business-minded approach to maximize outcomes and resolve disputes efficiently.

Madeleine Dusseault is a commercial litigator, and regularly achieves positive and cost-effective results for her clients. Madeleine has appeared before the Ontario Superior Court of Justice (including the Commercial List), the Divisional Court, the Ontario Court of Appeal, and in private arbitrations. Her areas of focus include commercial contract disputes, fraud claims, debt recovery, real estate litigation, shareholder disputes, defamation and professional liability. She also has considera...