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John E. Callaghan
Partner

Speaks: English

Year of Call: 1989 - Ontario

Primary Office: Toronto

John E. Callaghan

John Callaghan is a partner in Gowling WLG's Toronto office with a broad practice in civil and commercial litigation and regulatory offence work. He is a past leader of the firm's Commercial Litigation Group.

John has acted on an array of different matters. He regularly acts for large corporations, financial institutions and government and regulated industries. He has appeared at both the trial and appellate level, and has reported cases in such areas as contract, environmental law, elections law, corporate, competition, constitutional, statutory interpretation and class actions. He has acted on several public inquires, including the Walkerton Inquiry and the Cornwall Inquiry.

John has been recognized by several publications as a leading commercial counsel in Canada, including Lexpert/American Lawyer Guide to the Leading 500 lawyers in Canada; Lexpert/American Lawyer Guide to The Leading 500 Cross-Border Lawyers in Canada; Benchmark Canada: The Definitive Guide to Canada’s Leading Litigation Firms and Attorneys; the Best Lawyers in Canada and Financier Worldwide Litigation and Adjudicator Resolution Handbook.

John was elected a Bencher by the legal profession in Ontario through the Law Society of Upper Canada, the the governing body of lawyers in Ontario. In his capacity as a Bencher, John adjudicates professional misconduct allegations against lawyers. At the Law Society, John is currently the Vice-Chair of the Audit and Finance Committee and is Vice-Chair of Government Relations.

John is the second-longest-serving member of the Civil Rules Committee in Ontario, having been appointed by successive Chief Justices of the Ontario Superior Court of Justice. The Rules Committee is responsible for drafting and revising the Rules of Civil Procedure for the Province of Ontario. In this capacity, John has conducted numerous reviews regarding the civil justice system, and has been involved in most of the major procedural reforms in Ontario over this last two decades.

John is co-author of Class Actions: Law and Practice (Lexis/Nexis). The text is the leading authority on the subject of class actions in Canada and has been frequently cited with approval by the Supreme Court of Canada and other appellate and trial courts across Canada.

John is a frequent lecturer on issues of procedure and trial advocacy. He has chaired several of the leading class action conferences in Ontario. He has also spent a number of years as an instructor of trial advocacy with the Faculty of Law at the University of Toronto.

Involvement in the legal profession

  • Vice Chair, Law Society of Upper Canada, Audit and Finance
  • Vice-Chair, Law Society of Upper Canada, Government Relations
  • The Advocates' Society, Director (2007-2009)
  • Chair, The Advocates' Society — International Conferences to The Hague (2004) and Ireland (2006)
  • Adjunct Professor, University of Toronto Faculty of Law, Trial Advocacy (1996-2000)
  • Rules Committee (1995-present)
  • Chair, Simplified Rules Review Committee (1995-1998)
  • Chair, Cost Review Committee (2002-2004)
  • Chair, Appellate Delay Committee (1996)
  • Member, Civil Procedure Reform Implementation Committee (2010)
  • Director, Institute of Clinical and Evaluative Studies (2007-2013)
  • Fox Scholar (1989-90)
  • Class Action Editor, Toronto Law Journal
  • Hockey coach — best job of all!

December2015

Lexpert/ROB Special Edition on Canada’s Leading Litigation Lawyers

September2015

The Best Lawyers in Canada 2016

July2015

Canadian Legal Lexpert Directory 2015

Featured insights & resources

Memberships

Career & Recognition

2015

December 2015

Lexpert/ROB Special Edition on Canada’s Leading Litigation Lawyers

2015

September 2015

The Best Lawyers in Canada 2016

2015

July 2015

Canadian Legal Lexpert Directory 2015

2015

April 2015

Chambers Global 2015

2015

April 2015

Benchmark Canada: The Definitive Guide to Canada’s Leading Litigation Firms & Attorneys 2015

2015

February 2015

The Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada 2015

2014

December 2014

Lexpert recognizes Gowlings professionals as leading litigation lawyers

2014

September 2014

The Best Lawyers in Canada 2015

2014

July 2014

Canadian Legal Lexpert Directory 2014

2014

April 2014

Chambers Global 2014

2014

April 2014

Benchmark Canada: The Definitive Guide to Canada’s Leading Litigation Firms & Attorneys 2014

2014

February 2014

Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada 2014

2013

December 2013

Lexpert 2013 Guide to the Leading US/Canada Cross-border Litigation Lawyers in Canada

2013

September 2013

The Best Lawyers in Canada 2014

2013

July 2013

Canadian Legal Lexpert Directory 2013

2013

March 2013

Benchmark Canada 2013

2013

February 2013

2013 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada

2013

February 2013

The Best Lawyers in Canada® 2013

2012

April 2012

Benchmark Canada 2012

2007

2007

Director, Institute of Clinical and Evaluative Studies

2007 - 2013

2007

2007

Director, The Advocates' Society

2007 - 2009

1996

1996

Adjunct Professor, University of Toronto Faculty of Law, Trial Advocacy

1996 - 2000

1989

1989

Year of Call, Ontario

University of Windsor, LLB

John Callaghan
Profile highlights

#
John Callaghan

John Callaghan is a partner in Gowling WLG's Toronto office with a broad practice in civil and...

Memberships

John Callaghan
Profile highlights

#
John Callaghan

John Callaghan is a partner in Gowling WLG's Toronto office with a broad practice in civil and...

Insights & Resources

EXTERNAL PUBLICATIONS &
PAST SPEAKING ENGAGEMENTS

John is the co-author of Class Actions Law and Practice 2nd Edition, LexisNexis Canada, 2008

John has chaired and spoken at numerous conferences, particularly on Class Actions.  He has written several articles for the CBA, ABA and other institutions

Client Work

John Callaghan
Profile highlights

#
John Callaghan

John Callaghan is a partner in Gowling WLG's Toronto office with a broad practice in civil and...

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