Nadia Campion

T 416 642 3134 F 416 598 3730
Nadia’s tenacity and extensive courtroom experience instill confidence in her clients. Unwavering in her commitment to delivering results, she identifies and implements effective and creative strategies to achieve her clients’ goals.

Nadia has a broad civil litigation practice that includes complex commercial disputes, shareholder oppression applications, director and officer liability, estates matters, class actions and professional liability. She has extensive trial experience, having acted as counsel in trials, arbitrations and administrative hearings involving a number of industries and subject-matters, including corporate and shareholder disputes, professional liability, regulatory matters and corporate fraud. She has appeared repeatedly before the Superior Court of Justice and the Ontario Court of Appeal, as well as the Ontario Securities Commission and the Investment Industry Regulatory Organization of Canada (IIROC). She has particular expertise in Toronto Commercial List proceedings and has an active land development and real estate litigation practice.

Nadia has both Canadian and U.S. law degrees and is also fluent in French, representing clients from Quebec and Montreal. In 2018, Nadia was ranked by Lexpert and by Benchmark Litigation as one of Canada’s leading lawyers under the age of 40. She has also been recognized in Best Lawyers Annual Guide for securities litigation for the last three years. Nadia is known in the community as a frequent speaker, writer and commentator on a variety of legal topics for the Law Society of Ontario, the Ontario Bar Association, the Advocates’ Society, The Lawyer’s Daily, the Law Times and Corporate Disputes Magazine. She was reelected to the OBA’s executive committees for class actions and civil litigation for a second term.

Community Involvement

  • L’Association des juristes d'expression française de l'Ontario, Frequent Speaker
  • Advocates’ Society, Frequent Speaker
  • Ontario Bar Association, Executive Committee Member
  • Trial Lawyers Association, Frequent Speaker
  • Women’s White Collar Criminal Defense Association
  • LPP Trial Advocacy Program, Instructor


  • Called to the Ontario Bar, 2006
  • B.A. (with Honours), McGill University (Top 5%)
  • LL.B, University of Ottawa (Magna Cum Laude)
  • JD, Michigan State University (Summa Cum Laude)
  • Certificate in Civil Law from Universidad de Panamericana in Mexico
  • Clerkship: Superior Court of Justice (Ottawa)
  • Lexpert Rising Stars, 2018
  • Benchmark Litigation 40 & Under Hot List, 2017-2018
  • Best Lawyers in Canada, Securities Litigation, 2015-2018