Zain Naqi

T 416 645 3789 F 416 598 3730

Zain is a business-minded litigator who combines smart advocacy with practical problem-solving. Clients count on Zain’s sharp focus and strategic insight to guide them through their most challenging situations.

Zain’s practice covers all aspects of business litigation including contract and shareholder disputes, director and officer liability, enforcement of indemnities and guarantees, administrative and regulatory matters, negligence and tort claims, arbitrations, appeals, and injunctions. He is a consummate problem-solver and prides himself on giving practical, results-oriented advice and representation. 

Zain’s track record includes high-profile appeals and multi-week commercial trials and hearings. He has obtained significant judgments for clients in precedent-setting cases, appearing at all levels of court in Ontario, the Federal Court, the Competition Tribunal, and the Supreme Court of Canada.

In addition to commercial disputes, Zain has an extensive public law practice. He has advised local and regional municipalities, aboriginal groups, individuals, Crown corporations, and other corporate clients in administrative and constitutional litigation across a wide range of industries and regulatory regimes. He has developed considerable expertise in judicial review proceedings before the Divisional Court, obtaining extraordinary remedies against public authorities. 

Zain also maintains an active pro-bono practice and has represented public interest organizations, including the Canadian Civil Liberties Association. For several years, he coached Osgoode Hall Law School’s Laskin Moot team. 

Zain has been consistently recognized by his peers in The Best Lawyers in Canada “Ones to Watch”. He is a co-author of the Chambers Global Practice Guide for Litigation in Canada. 

Prior to joining the firm, Zain clerked for the Honourable Justice Michael Moldaver at the Supreme Court of Canada and worked at a leading New York firm on class actions and regulatory investigations.


  • Called to the Ontario Bar, 2015

  • Clerkship: Justice Michael J. Moldaver of the Supreme Court of Canada

  • B.C.L. and LL.B. (Aimé Geoffrion Medal), McGill University, 2014   

  • B.A. (Honours with distinction) in Economics, Queen’s University, 2009

  • Osgoode Hall Law School Mooting Program, Coach and Instructor
  • Benchmark Litigation, 2024: Future Star
  • Canadian Legal Lexpert® Directory, 2024: Litigation - Corporate Commercial
  • The Best Lawyers™ in Canada: Ones to Watch, 2022-2024: Administrative and Public Law; Corporate and Commercial Litigation
  • McGill University Faculty of Law, Aimé Geoffrion Medal (silver medallist); F.R. Scott Prize in Constitutional Law; J.S.D. Tory Writing Award; numerous prizes for individual courses and academic achievement
  • Laskin Moot Competition, first-place oralist