Lawyers
Peter J. Osborne listen

About

Peter* specializes in complex litigation. And that specialization means results for clients. Whether it's a multi-million, or even billion, dollar dispute, restructuring, or professional disciplinary proceeding, you want Peter acting for you. Recognized as one of Canada's leading litigators, Peter frequently represents the Government of Canada in high-profile cases. Peter manages§ his highly-specialized environment with confidence and sound judgment. That’s why clients come to him, again and again. Peter is renowned for his counsel to individuals or organizations, whatever the crisis‡ , but he also gives back to the profession. He taught trial advocacy at the University of Toronto and Osgoode Hall law schools, and is an instructor for The Advocates' Society's continuing legal education programs. .

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Peter J. Osborne

is a partner at Lenczner Slaght.

"He is dedicated to client service, is an excellent communicator and has vast experience in the area of commercial litigation." — Chambers Canada

Peter's advocacy practice includes securities matters, commercial and industrial disputes, cross-border restructuring and insolvency cases, class actions, governance issues as well as professional regulatory litigation and disciplinary proceedings. He appears regularly before a wide range of courts and tribunals across Canada, in cross-border proceedings and in arbitrations in numerous jurisdictions.

Peter routinely advises shareholders, officers, directors, special committees and boards of public as well as private companies in crisis situations and shareholder and governance disputes.  He also acts for such clients in the context of cross-border litigation and insolvency proceedings.  In addition, he both prosecutes and defends professional disciplinary proceedings.

Peter was counsel to the Government of Canada in the litigation and related insolvency proceedings involving alleged tobacco smuggling, which resulted in one of Canada's largest civil settlements and payment of more than $1.2 billion to the federal government.

He also represented the management directors in the restructuring of Canwest Global Communications Corp., acted for the court-appointed Monitors in the restructurings of Air Canada, Teleglobe Inc., Hollinger Inc., the U.S. parent in Calpine Canada Energy Ltd., the auditors in Sino Forest Corporation (class actions, CCAA) and Société Générale in a class action involving principal protected notes, among many others. This year he successfully represented the federal government in a $250 million dollar bid-rigging procurement case in the Federal Court of Canada.

For many years, Peter taught trial advocacy at the University of Toronto Faculty of Law and at Osgoode Hall Law School. He is also a regular instructor for continuing legal education programs of The Advocates' Society.

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  • American College of Trial Lawyers - Fellow

  • The Advocates' Society - Member of the Board of Directors; Chair of the Modern Advocacy Task Force; Instructor

  • Canadian Bar Association

  • Ontario Bar Association

  • CAIRP (Canadian Association of Insolvency and Restructuring Professionals

  • INSOL (International Association of Restructuring, Insolvency and Bankruptcy Professionals

  • Turnaround Management Association

  • Osgoode Hall Law School - Instructor and former adjunct faculty

  • University of Toronto (Faculty of Law) - Instructor and former adjunct faculty

  • Bar Admission Course, Newfoundland and Labrador - Instructor

  • Osgoode Hall Law School Alumni Association - Former Board Member

  • Osgoode Hall Law School Mentor Program - Former Co-Chair

  • Crescent School - Member of Board of Governors and Governance Committee

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  • Benchmark Canada (2012-2020)

    Litigation Star - Class Action, General Commercial, Insolvency and Securities

  • Best Lawyers in Canada (2006-2021)

    Administrative & Public Law, Corporate & Commercial Litigation, Insolvency & Financial Restructuring, Securities

  • Canadian Legal Lexpert® Directory (2012-2020)

    Class Actions, Insolvency & Financial Restructuring, Litigation - Corporate Commercial, Litigation - Directors' & Officers' Liability, Litigation - Securities, Medical Negligence, Professional Liability

  • Chambers Canada (2021)

    Litigation: General Commercial (Ontario)

  • Chambers Global (2012-2015)

    Dispute Resolution: Ontario: Canada

  • Lexpert Guide to the Leading US/Canada Cross-Border Lawyers in Canada (2013-2019)

    Dispute Resolution, Corporate Commercial Litigation

  • Lexpert Special Edition: Canada's Leading Infrastructure Lawyers (2020)

  • Lexpert Special Edition: Canada's Leading Litigation Lawyers (2013-2020)

  • Lexpert Top 40 Under 40

  • Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada (2016-2021)

    Corporate Commercial Litigation

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