Skip to content
  • Barry Leon
  • Head, International Arbitration Group
  • Direct Line: +1.613.566.2843
  • Email: bleon@perlaw.ca

Barry Leon is a Partner and Head of the International Arbitration Group at Perley-Robertson, Hill & McDougall LLP/s.r.l. Barry has more than 30 years of experience as counsel, acting on many complex and significant cases for a wide variety of clients and involving many different industries. His industry experience includes financial services, natural resources and energy, technology and intellectual property, manufacturing, construction and projects, and consumer products.

He is an active member of numerous international arbitration and dispute resolution organizations and institutions, serving in executive positions, and on special task forces and commissions, and organizing international conferences and events. While Barry primarily acts as counsel in disputes, he also serves as an arbitrator and mediator on international and domestic cases. He is a member of ADR Chambers (commercial arbitrator and mediator) and the International Centre for Dispute Resolution’s Panel of Arbitrators. 

Barry regularly chairs conferences and panels, and speaks and writes extensively on various international disputes and related topics, including international and domestic arbitration, litigation, mediation and negotiation. He is regularly referred to and quoted in the media on arbitration, mediation and other legal topics. 

  • Selected Experience:

    Barry has received numerous professional recognitions over the course of his career, most recently:

    • Law Business Research’s The International Who’s Who of Commercial Arbitration 2009 - Leading Lawyer in Canada
    • Woodward White’s The Best Lawyers in Canada 2008/2009 - international arbitration, alternative dispute resolution, class action litigation, corporate and commercial litigation, and international arbitration
    • Lexpert/Thomson Canada’s Canadian Legal Lexpert Directory 2008/09 -Most frequently recommended practitioner in international commercial arbitration
    • Legal Media Group’s Guide to the World’s Leading Experts in Commercial Arbitration 2008 - Leading Lawyer in Canada
    • Lexpert/American Lawyer’s Guide to the Leading 500 Lawyers in Canada 2009 - Leading lawyer in international arbitration
    • Lexpert’s 2008 Guide to the Leading US/Canada Cross-Border Litigation Lawyers in Canada - Leading Lawyer in International Commercial Arbitration.

    Disputes in which Barry has represented clients include:

    • Counsel for major international computer services and software company in software licensing dispute with a European software company. 
    • Co-counsel for North American manufacturer in an ICC arbitration against a South-East Asian natural resources company for breach of a long term supply agreement.
    • Member of Disputes Oversight Committee for owner of a major energy construction project. 
    • Co-counsel for American company and its Latin American affiliate in an international arbitration against Latin American country based on contractual claims.
    • Counsel for Canadian film and entertainment company involved in an international arbitration and related court jurisdictional challenges with US production company and an international entertainment company.
    • Counsel for Latin American energy company in dispute with Canadian equipment supplier.
    • Counsel for minority shareholder in two regional airlines in ad hoc commercial arbitration to value the airlines and the minority interest, following a corporate oppression action against the majority shareholder, a major international airline. 

    Disputes in which Barry has served as arbitrator or expert include:

    • Arbitrator in ICDR shareholder oppression arbitration between American and Canadian parties.
    • Arbitrator in ad hoc arbitration concerning a commercial partnership break-up. 
    • Arbitrator in ADR Chambers arbitration of a contract dispute between Australian and Canadian parties.
    • Expert witness in opposition to an anti-arbitration injunction in Latin America.
    Credentials:
    • Admitted to Bar (Ontario), 1976
    • LL.B., University of Toronto, 1974
    • MBA, Richard Ivey School of Business, University of Western Ontario, 1971
    • BA, Political Science and Economics, University of Alberta, 1969
    Memberships/Affiliations:
    • Arbitration Roundtable of Toronto
    • Institute for Transnational Arbitration
    • International Bar Association
    • International Commission of Jurists
    • International Law Association
    • London Court of International Arbitration
    • New York State Bar Association 
    • The Advocates' Society
    Professional Activities:
    • International Arbitration and Dispute Resolution Organizations and Institutions 
      • Chair, Executive Committee, Canadian National Committee (Arbitration Committee of Canadian Chamber of Commerce); Commission on Arbitration – ICC International Court of Arbitration.
      • Vice-President and Director, Canadian Branch; International Commercial Arbitration Committee – International Law Association.
      • Canada Chair, Litigation Committee – International Bar Association.
      • Task Force on Diversity in ADR – CPR Institute for Conflict Prevention & Resolution.
      • Canadian Advisory Committee; Panel of Arbitrators; Steering Committee for 2007-8 North America Series conferences – International Centre for Dispute Resolution (international division of the American Arbitration Association).
      • Commission on Settlement in International Arbitration – Centre for Effective Dispute Resolution (CEDR).
    Articles/Publications:
    Conference Leadership:
    • Co-Chair – International Association of Procedural Law Conference, Toronto, June 2009, presented by New York University School of Law and Osgoode Hall Law School (York University), and Moderator – Lessons from International Commercial Arbitration.
    • Co-Chair – Being Counsel in International Arbitration: What You Need to Know, Toronto, June 2009, presented by Osgoode Professional Development and The Advocates’ Society.
    • Co-Chair – International Bar Association Litigation Conference, “Crisis Litigation: The Role of the Lawyer”, Toronto, 2008 presented by Litigation Committee, Corporate Counsel Forum and North American Forum, IBA.
    • Organized first ‘Heads of Litigation Retreat’, Toronto, 2008 – meeting of leaders of dispute resolution practices from around the world (co-founded and co-organized ‘Heads of Litigation’ meetings in conjunction with past five International Bar Association annual conferences).
    • Chair – The Roger Fisher Tribute, Toronto, 2007 (tribute to Professor Roger Fisher by 26 dispute resolution organizations from around the world).
    • Co-Chair – 72nd Biennial Conference of the International Law Association (ILA 2006), Toronto, 2006.
    Speeches, Presentations and Teachings:
    • Course Co-Chair, Federated Press’ “Mitigating Risks of Doing Business with Brazil”, Russia, India and China, and speaker “Why Arbitration Clauses are Essential When Doing Business in Brazil”, Russia, India and China, 2008”, 2008 and 2009.
    • “Negotiating and Drafting Commercial Arbitration Clauses in International Contracts”, Canadian German Lawyers Association’s Dispute Resolution: Canada and Germany, 2008.
    • “Corporate Strategies for International Dispute Resolution”, International Centre for Dispute Resolution's North American Dispute Resolution Series, “ADR After NAFTA”, Chicago, 2008.
    • Keynote Address: “Canada’s Legal System: Should We Be Proud?”, Association of Progressive Muslims of Canada’s Eid-ul-Fitr Dinner at Parliament Hill, Ottawa, 2007.
    • “International Arbitration: Fresh Ideas for a Changing World” and “Judicial Review of Arbitration Awards in the United States, France and Canada”, International Law Weekend, ILA American Branch, New York, 2007.
    • “Canada and the ICSID Convention”, Canadian Council for International Law 36th Annual Conference, Ottawa, 2007.
    • “ADR After NAFTA”, International Centre for Dispute Resolution's North American Dispute Resolution Series, Toronto, 2007. 
    • “Risk Assessment: Avoiding the Pitfalls and Mistakes in International Arbitration,” International Centre for Dispute Resolution's North American Dispute Resolution Series, Mexico City, 2007.
    • “Tertulias: Roundtable Discussion,” International Centre for Dispute Resolution's 5th Annual Miami International Arbitration Conference —Arbitration in Las Americas: A 360° View, Miami, 2007. 
    • “Selection and Appointment of Arbitrators,” International Centre for Dispute Resolution'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), International Bar Association conference, Chicago, 2006. 
    • Panel Chair, “Special Considerations When a State is a Party”, Canadian Bar Association/ICC International Court of Arbitration’s Arbitration Conference, 2005. 
    • Panel Chair, “Appointment, Challenge and Replacement of Arbitrators: The Role and Importance of Appointing Authorities”, Canadian Bar Association/UNCITRAL’s Arbitration Conference, 2004. 
    • Panel Chair, “Enforcement of Awards Resulting from Energy Disputes”, Canadian Bar Association/ICC International Court of Arbitration’s Arbitration Conference, 2003.
Search our people by last name