Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation
John Siwiec is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation and Intellectual Property Law. John practices law in Ottawa, Ontario Best Lawyers has recognized John Siwiec since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John Siwiec is held by other lawyers.
Sarah Armstrong is the Chair of Fasken’s Ontario Litigation and Dispute Resolution Practice Group. An adept and strategic litigator, Sarah combines skilled courtroom advocacy and sound judgment to represent clients who are involved in business-critical disputes. Sarah navigates clients through complex commercial disputes and professional liability matters in both court and in arbitration. In the class action arena, Sarah has extensive experience managing and coordinating the defence of ...
Michael Cooper is a partner at Whelton Hiutin. His commercial litigation practice focuses on construction, real estate and leasing, shareholder disputes and employment law. In the areas of construction and real estate litigation, Michael has represented a number of large land developers and contractors in complex disputes. He has appeared before all levels of court in Ontario, representing clients at trials, applications and motions. He has also appeared before a number of administrative trib...
Eric Davis is an LSO Certified Specialist in Municipal Law (Local Government/Land Use Planning and Development) who acts for homeowners, businesses, developers, and other private sector clients. He also represents municipalities and other public bodies across Ontario, including school boards. Eric regularly assists clients with planning- and zoning-related matters, including re-zonings, plans of subdivision, site plans, minor variances, and severances, as well as Ontario Land Tribunal appeals...
Sara Erskine is a Toronto-based litigation lawyer at BE Law LLP who advises businesses, executives, and professionals on complex commercial and securities disputes. She brings more than 20 years of experience in trial and appellate advocacy, representing clients at every stage of the litigation process. Sara is recognized by Best Lawyers Canada in Corporate and Commercial Litigation and is listed as a Litigation Star in Commercial Litigation by Benchmark Canada. Before co-founding BE Law LLP,...
Frank is a senior litigator in Hicks Morley’s Toronto office. He is a strategic counsel for his clients, and has significant courtroom and hearing experience representing clients in complex and high-profile cases. Frank represents his clients as a close and long-term advisor, and as a highly skilled advocate on their most important and challenging cases. Frank has particular expertise in arguing judicial review and appeals, and in litigation relating to the following: employment dispute...
Christine (Chris) Muir's practice encompasses complex commercial litigation and high-profile administrative matters. She's skilled in complex litigation, including contract disputes, and public and appellate law. She also has experience advising on and managing defamation matters. She represents clients ranging from large corporations and institutions to small business owners and professionals in sectors including health, finance, construction and education. She has appeared as counsel before...
Kenneth T. Rosenberg is a top lawyer recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Alternative Dispute Resolution, Appellate Practice, Corporate and Commercial Litigation and Securities Law. Ken addresses litigation as strategic problem-solving to assist clients in resolving their disputes. He is recognized as a leading lawyer in corporate commercial litigation, insolvency litigation, administrative law, cross-border disputes, and mediation. Throughout h...
Jacqueline Armstrong Gates is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation and Insurance Law. Jacqueline practices law in Kitchener, Ontario Best Lawyers has recognized Jacqueline Armstrong Gates since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jacqueline Armstrong Gates is held by other lawyers.
Biography John Pirie leads the Firm's Litigation and Government Enforcement Group in Canada. He acts for clients in complex business disputes and white collar matters. John is widely recognized as a leading trial, arbitration and appellate lawyer. He is certified by the Law Society of Ontario as a Specialist in Civil Litigation, and ranked by Chambers as a leading individual in both the Corporate Litigation and White Collar categories. Clients interviewed by Chambers have said: "John Pirie ha...
Eric is a partner at Kushneryk Morgan LLP , a boutique firm specializing in dispute resolution with a particular focus on corporate governance. Eric acts as counsel in commercial and corporate disputes involving shareholders, directors and officers, securities, and contractual issues and in internal investigations. Eric also sits as an arbitrator and was selected as a member of the inaugural NextGen Roster of Arbitrators at Arbitration Place and has been appointed to the Vancouver Internation...
Cynthia Spry joined the partnership at Babin Bessner Spry LLP in 2010. Prior to joining Babin Bessner Spry LLP, Cynthia practiced in the litigation departments of two top-tier firms: Davies Ward Phillips & Vineberg LLP and Osler, Hoskin & Harcourt LLP. Cynthia practices commercial litigation, including in the areas of class actions, shareholder disputes, competition law, and contractual and securities litigation. She is often recommended as conflicts counsel by Seven Sister firms, and...
David is a founding partner in Roy O’Connor LLP, a litigation boutique in Toronto. He was previously a partner in a large national law firm. His practice is focused on commercial and class action litigation (both defence and plaintiff side). He was recognized as a finalist by Benchmark Canada for Class Action Litigator of the Year in 2015 and again in 2017, and for plaintiff counsel of the year in 2019, 2020 and 2021. He has been consistently recognized by Benchmark Canada as a litigati...
Andrew C. Lewis is a top lawyer recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation and Labour and Employment Law. Andrew is widely respected for his thoughtful and incisive work, expressed through clear, sharp writing and a meticulous attention to detail. He practices as a litigator in a wide variety of employment, civil, commercial and administrative matters. In employment law, Andrew is frequently consulted in contract ne...
Jordan has acted for clients before judges, juries and arbitrators throughout Ontario. He represents licensed professionals, professional associations, insurance companies, and both private and public corporations across issues spanning general commercial, tort, professional responsibility, administrative and public law litigation. In particular, Jordan: routinely advises corporations on all manner of disputes, including corporate governance and commercial litigation engagements; was lead cou...
Paul co-founded Pape Chaudhury LLP with Shantona Chaudhury in 2018. Paul has over 45 years of experience as both trial and appellate counsel and has acted in many cases of significance. Paul’s litigation practice focuses on complex commercial, securities,class action, professional negligence, and administrative matters, with special emphasis on appeals in these and other areas. Paul is a senior and leading member of the Ontario Bar. Paul has been described as an “outstanding appel...
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.