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Contact by email at [email protected]

t. +1 416-601-7807


Law School

University of Western Ontario

Bar Admission

Ontario, 2018

Natalie V. Kolos is an associate in our Litigation Group in Toronto. She maintains a general litigation practice, with a focus on commercial disputes, professional liability, white collar defence and investigations, and criminal and constitutional law.

Natalie has appeared before all levels of court in Ontario as well as the Supreme Court of Canada. She served as co-counsel in Christine DeJong Medicine Corporation v. DBDC Spadina Inc, 2019 SCC 30, a leading case on corporate liability for wrongdoing of their officers and directors. In that case, the Supreme Court of Canada expressly adopted the Chamber of Commerce’s proposed clarification to the Canadian Dredge & Dock Co. v. The Queen, [1985] 1 S.C.R. 662 criteria for attributing criminal and civil liability to corporations.

Natalie’s criminal defence experience includes defending clients in criminal fraud investigations and challenging regulatory and state practices for violating the Canadian Charter of Rights and Freedoms. Natalie also represents clients in criminal trials and appeals through McCarthy Tetrault’s pro bono criminal defence program in partnership with the University of Toronto’s Downtown Legal Services.

Natalie received her JD from Western Law, where she graduated on the Dean’s Honor List and received the J.S.D. Tory Writing Prize for excellence in writing and legal research. While in law school, Natalie was a research and editing assistant to two leading tort-law scholars and served as Deputy Editor-in-Chief of the Western Journal of Legal Studies.

Natalie was also extensively involved in mooting, earning awards for her oral and written arguments on criminal and constitutional law, ethics, and public international law. She earned First Place Factum at the Lerners LLP Moot and Second Place Team at the Lenczner Slaght Moot. She represented Western Law at the Philip C. Jessup Public International Law Moot, where she was recognized as a Top Oralist and earned Third Place Team at the Canadian rounds. Most recently, Natalie represented the University of Ottawa’s Faculty of Law at the Willem C. Vis International Commercial Arbitration Moot, where she was awarded the Martin Domke Award for Best Individual Oralist and the Eric Bergsten Award for Winner of the Moot at the international rounds in Vienna, Austria.

Before law school, Natalie obtained a BA (with High Distinction) in Political Science and an Honours BA in Law from Carleton University.

Natalie was called to the bar in 2018. She is a member of the Law Society of Ontario, the Ontario Bar Association, the Canadian Bar Association, the Criminal Lawyers’ Association, and the Advocates’ Society.


o F. Paul Morrison, Claire Seaborn, & Natalie V. Kolos, “Consolidated Contractors Group v. Ambatovy Minerals: Ontario Court of Appeal Reinforces Deference to Arbitration” (2018) Commercial Litigation and Arbitration Review

o James Plotkin & Natalie V. Kolos, Canada, ch., Nikolaus Pitkowitz, eds., Handbook on Third-Party Funding in International Arbitration (New York: Juris, 2018)

o Natalie V. Kolos, “Discretionary Coherence: Excluding the Private Law Liability of Public Authorities in Paradis Honey v. Canada” (2017) Cambridge Law Review

o Natalie V. Kolos, “Deterring Compensation: Class Action Litigation and Damage Awards Against Corporate Defendants” (2017) Canadian Class Action Review