THE ARBITRATION ROUNDTABLE OF TORONTO
About the Roundtable The Members
Arbitration is better.

Barry Leon
Barry Leon

Direct Line: +1.416.865.7325
Email: bleon@torys.com 


Barry Leon is a partner in Torys LLP’s Toronto office. He practises business litigation and dispute resolution, with emphasis on corporate and commercial litigation, arbitration and mediation, acting on complex and significant matters for a wide variety of clients. He has appeared as counsel at every level of trial and appellate court in Ontario, in the Federal Court of Canada, before commercial arbitration panels and before administrative tribunals. Barry’s practice includes international and domestic commercial disputes; the defence of class actions; intellectual property and technology litigation; and business breakups and corporate disputes. 

Barry is recognized as a leading lawyer in international arbitration and in alternative dispute
resolution in Woodward White’s Best Lawyers in Canada 2006. He is a consistently
recommended practitioner in international commercial arbitration in Lexpert/Thomson Canada’s
Canadian Legal Lexpert Directory 2006. Barry is also recognized as a leading litigator in Canada
in Legal Media Group’s Guide to the World’s Leading Litigation Lawyers 2005 and he was
featured in “The Experts: Update on Cross-Border Litigation” in Canadian Lawyer in May 2005. 

He was co-chair of the 72nd Biennial Conference of the International Law Association (ILA
2006) held in Toronto.

Barry is a member of the Ontario Bar. He obtained his LL.B. from the University of Toronto, and
his M.B.A. from the Richard Ivey School of Business, University of Western Ontario. 

Barry has written on numerous issues related to international disputes, including
  • “International Arbitration Should Continue to Grow as It Did in 2006,” The Lawyers Weekly, February 2007. 
  • “Picking Your Judge is Not So Radical,” The Lawyers Weekly, December 2006.
  • “Report from Canada,” co-author, The Arbitration Review of the Americas 2007, November
    2006
  • “Court Misses Opportunity to Confirm That Patent Disputes are Arbitrable,” co-author, The
    Lawyers Weekly, September 2006
  • “A Road Not Taken: Canadian Court Misses Opportunity to Confirm That Patent Disputes
    Are Arbitrable,” co-author, International Bar Association’s (IBA) Arbitration Committee
    Newsletter, September 2006
  • “Safe to Apologise: New Law in British Columbia,” co-author, IBA’s Mediation Committee
    Newsletter, September 2006
  • “Canada on the World Stage in International Arbitration,” Chartered Institute of Arbitrators’
    Arbitration, vol. 72, no. 2, May 2006
  • “Special Considerations When a State is a Party,” co-author, American Arbitration
    Association’s (AAA) Dispute Resolution Journal, February–April 2006 (based on a paper
    presented at the Canadian Bar Association (CBA)/International Chamber of Commerce
    International Court of Arbitration (ICC) International Commercial Arbitration Conference
    on Natural Resources, Environment and Technology Disputes, Vancouver, June 2005)
  • “Arbitration of Patent Infringement and Validity Issues Worldwide,” co-author, Harvard
    Journal of Law & Technology, vol. 19, spring 2006
  • “Canada a Major Player in 2006 for International Arbitration,” The Lawyers Weekly, January 2006
  • “A Canadian Perspective: Choice of Law and Choice of Forum,” co-author, New York State Bar Association’s International Law Practicum, Autumn 2005. 
  • “New Swords and Shields: The Canadian Regulatory Approval Process and Novel Claims
    and Defenses in Product Liability Litigation,” co-author, Journal of Biolaw and Business,
    vol. 8, no. 2, 2005
  • “Expert Evidence Checklist,” The Advocates’ Society E-Brief, vol. 16, no. 2, winter 2005
  • “A Canadian Perspective: Choice of Law and Choice of Forum,” co-author, ADR Forum,
    no. 41, December 2004. Also published in Arbitration and ADR, vol. 9, no. 2, October 2004
  • Scope of Arbitrable Disputes under Arbitration Clauses,” IBA’s Arbitration and ADR
    Committee Newsletter, October 2004 (republished in ADR Forum, December 2004)
  • “Be Careful What You Wish For: A Canadian Perspective on Direct-to-Consumer
    Advertising and the ‘Learned Intermediary’ Rule,” co-author, Andrews Litigation Reporter’s
    Drug Recall, vol. 2, issue 12, June 2004, and Pharmaceutical, vol. 20, issue 8, October 2004
  • “Regulatory Trends in the Courts: What’s New and What’s Coming,” co-author,
    BIOTECanada Insights, spring 2004
  • “Managing Cross-Border Pharmaceutical Class Actions in Canada,” co-author, Drug Recall Litigation Reporter, May 2004

Barry regularly chairs conferences and panels and speaks on various international disputes
and related topics, including


  • “Negotiating Through Deadlocks and Impasses,” Federated Press’ Advanced Legal
    Negotiation course, 2006 
  • “Selection and Appointment of Arbitrators,” ICDR’s The Common Law / Civil Law Gap:
    Issues and How International Arbitrators May Resolve Them, New York, 2006
  • “Mediation in the Court Process” (co-chair), IBA conference, Chicago, 2006
  • “Making Effective Use of Expert Evidence,” Infonex’s Critical Issues in Insurance
    Litigation conference, 2006
  • “Leveraging the Strength of Your Brand to Win a Litigation,” IP Litigation Summit, World
    Research Group, New York, 2006
  • “Judges in the Boardroom: When Courts Review Directors’ Decisions,” Ontario Bar Association’s Litigating Under the OBCA/CBCA conference, 2006
  • Canadian Institute’s Managing Complex Litigation conference (conference co-chair), 2006
  • “Valuation in Oppression Proceedings,” LexisNexis’ Litigating Shareholder Disputes
    conference, 2006 
  • “Leading a National Pharma Defense Team in Canada,” Insight’s Drug Safety conference,
    2006
  • “International Arbitration,” ADR Institute of Canada’s Gold Standard ADR conference,
    2005
  • “Special Considerations When a State is a Party” (panel chair), CBA/ICC Arbitration
    Conference, Vancouver, 2005
  • The Advocates’ Society’s Expert Evidence program (conference co-chair), 2004
  • “Appointment, Challenge and Replacement of Arbitrators: The Role and Importance of
    Appointing Authorities” (panel chair), CBA/UNCITRAL Arbitration Conference, Ottawa,
    2004
  • “Enforcement of Awards Resulting from Energy Disputes” (panel chair), CBA/ICC
    Arbitration Conference, Calgary, 2003
  • “Global Patent Enforcement Strategies,” IBA conference, San Francisco, 2003
  • Osgoode Professional Development Program’s Cross Border Litigation (conference co-chair and panel chair), 2003
  • The Advocates’ Society’s Simplifying Complex Litigation (conference chair), 2001
  • New York State Bar Association’s Commercial and Federal Litigation Section’s Litigation
    Without Borders (conference co-chair), Niagara on the Lake, 2000
  • IBA conferences in 2004 in Auckland, in 2004 in Madrid, in 2003 in San Francisco, in 2002 in South Africa, in 2001 in Mexico, in 2000 in the Netherlands and in 1997 in India

Barry participates in numerous international and Canadian arbitration and litigation
organizations, including

  • Executive Committee, Canadian National Committee, ICC
  • Commission on Arbitration, ICC
  • Panel of Arbitrators, International Centre for Dispute Resolution (ICDR, AAA’s
    international division)
  • Canadian Advisory Committee, ICDR
  • Arbitration Roundtable of Toronto
  • Canada chair, Litigation Committee, IBA
  • Advisory Board, Institute for Transnational Arbitration
  • Arbitration Committee, International Bar Association
  • International Commercial Arbitration Committee, ILA
  • Vice-president and director, ILA Canadian Branch
  • Arbitration Committee and Task Force on Diversity in ADR, CPR International Institute for
    Conflict Prevention & Resolution
  • AAA
  • ADR Institute of Canada
  • London Court of International Arbitration (LCIA) 
  • Advisory Board, Institute for Transnational Arbitration
  • American Intellectual Property Law Association
  • Licensing Executives Society (U.S. and Canada) 
  • The Advocates’ Society
  • New York State Bar Association
  • International Commission of Jurists
  • Commonwealth Lawyers Association