Sheila Block

Sheila R. Block

Toronto: 416.865.7319
Fax 416.865.7380


LLB, 1972
University of Ottawa
Gold Medalist
BA, (Honours), 1969
Carleton University
1965–1968 University of Toronto

Bar Admissions

Ontario, 1974


Sheila is a senior trial and appellate counsel with a broad civil litigation practice, including corporate/commercial and securities litigation, intellectual property, defamation and administrative law cases. Sheila has appeared as counsel at all levels of court in Canada and before international arbitrations and other tribunals. Sheila is the former chair of Torys’ Litigation and Dispute Resolution Practice and a former chair of Torys’ Executive Committee.

Representative Work

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Chambers Canada—Leading lawyer in dispute resolution: class action (defence); litigation: Ontario (2016-2021); dispute resolution: arbitration (2016-2020)

Chambers Global —Leading lawyer in dispute resolution (2008-2021), dispute resolution: arbitration (2019) and class action (2014-2017) ("One of the best litigation lawyers in Canada")

The Legal 500 Canada—Leading lawyer in dispute resolution: Ontario (2014-2021)

Benchmark Canada: The Definitive Guide to Canada’s Leading Litigation Firms and Attorneys— Litigation Star (Securities, Arbitration, Product Liability, Class Actions, Commercial, IP and international arbitration ) (2014-2021)

Best Lawyers in Canada—2021 Director and Officer Liability Practice Lawyer of the Year in Toronto

Best Lawyers in Canada—Leading lawyer in administrative and public law, bet-the-company litigation, class action litigation, corporate and commercial litigation, defamation and media law, director and officer liability practice, international arbitration, legal malpractice law, securities law (2006-2021)

Lexpert/American Lawyer Media’s Guide to the Leading 500 Lawyers in Canada—Leading lawyer in class action litigation, corporate commercial litigation, directors’ and officers’ liability, and in securities litigation (2008-2021)

The Canadian Legal Lexpert Directory—Leading lawyer in class actions; professional liability; commercial arbitration; litigation – corporate commercial; litigation – directors’ and officers’ liability; litigation – securities; litigation – public law; litigation – defamation and media; litigation – product liability, litigation – intellectual property, litigation – commercial insurance (2010-2021)

Who’s Who Legal—Leading Canadian lawyer in commercial litigation (2010-2020); One of the world’s top 10 commercial litigators (2005)

Benchmark Canada: The Definitive Guide to Canada’s Leading Litigation Firms and Attorneys—Top 50 Trial Lawyers in Canada (2018-2019)

Benchmark Litigation—Top 25 Women in Litigation (Canada) (2014-2019)

Best Lawyers in Canada—Corporate and Commercial Litigation Lawyer of the Year (Toronto) (2019)

Lexpert/Thomson Reuters’ Guide to the Leading U.S./Canada Cross-Border Corporate Lawyers in Canada—Most Frequently Recommended lawyer in dispute resolution (2018)

Best Lawyers in Canada—Director and office liability practice lawyer of the year (Toronto) (2018)

Best Lawyers in Canada—Class Action Litigation Lawyer of the Year (Canada) (2018)

Benchmark Litigation—Trial Lawyer of the Year (Canada) (2016 and 2018)

Best Lawyers’ Corporate and Commercial Litigation Lawyer of the Year (Toronto) (2015)

Benchmark Litigation—Litigator of the Year (Ontario) (2014)

Benchmark Litigation—Lifetime Achievement Award (2013)

Named a BTI Client Service All-Star by BTI Consulting Group’s annual worldwide survey of leading corporate counsel. BTI Client Service All-Stars are identified solely and exclusively by corporate counsel (2014).

Lexpert’s Guide to the Leading US/Canada Cross-border Litigation Lawyers in Canada—Leading lawyer in class actions, corporate commercial, international commercial arbitration and securities (2012-2013)

Best Lawyers —Bet-the-Company Litigation Lawyer of the Year (Toronto) (2012)

Which Lawyer?—Leading Ontario lawyer in dispute resolution (2007-2012)

Guide to the World’s Leading Litigation and Product Liability Lawyers—Leading lawyer in Canada (2012)

LawDay—Leading lawyer in appellate advocacy, class action/defence, product liability, complex litigation, directors and officers liability and white collar crime (2009)

Cross-border Dispute Resolution Handbook—Leading practitioner in dispute resolution (2008-2009)

Lexpert’s Guide to the Leading US/Canada Cross-border Litigation Lawyers in Canada—Leading lawyer in corporate commercial, class action and securities (2005-2008)

Lexpert’s Guide to the 100 Most Creative Lawyers in Canada—Leading lawyer in corporate litigation (2006)

Guide to the World’s Leading Litigation Lawyers—Leading litigator in Canada (2005)

Women’s Executive Network —Power 50 Most Influential Women in Canada (2004, 2003)

Lexpert—One of Canada’s top 25 women lawyers (2003)

Lexpert—One of Canada’s top 25 corporate litigators (2002)

American College of Trial Lawyers—Fellow (1991)



Law Society of Upper Canada—Honourary LLD, 2015

University of Ottawa—Honourary LLD, 2014

University of Ottawa—Meritas Tabaret Award, 2012

The Advocates’ Society—The Advocates’ Society Medal, 2008

Law Society of Upper Canada—Law Society Medal, 2006

Ontario Bar Association—Award for Excellence in Civil Litigation, 2006

Toronto Lawyers’ Association Award of Distinction, 2004

University of Ottawa—Common Law Honour Society, 2003

Laidlaw Medal for Advocacy, 1999


IHRP Update & Alumni Mixer


Professional Involvement

Sheila has spoken and written extensively on advocacy and civil litigation. Her publications include the Canadian edition of Steven Lubet’s Modern Trial Advocacy. Sheila has also taught advocacy for the National Institute for Trial Advocacy in Canada, the United States, England, Scotland, New Zealand and El Salvador, as well as for the U.N. War Crimes Tribunal in Rwanda and the Special Court in Sierra Leone. She has also conducted advocacy programs for the Foundation for International Arbitration Advocacy in Switzerland, France, England, Brazil, India and Singapore. She has participated in advocacy demonstrations at conferences, including the Cambridge lectures in Cambridge, England; the Canadian Bar Association Annual Meeting in London, England; the Advocacy Symposium in Toronto, Ontario; and the Institute for Continuing Legal Education in Ann Arbor, Michigan. She has taught an intensive advocacy course at the University of Toronto Law School and has taught in the LLM program in litigation offered by the Osgoode Hall Law School.


Sheila is a Trustee and the President for the Harold G. Fox Foundation, the Chair for the Touching Tiny Lives Foundation and a Trustee for the Foundation for International Arbitration Advocacy in Geneva. She is also on the President’s Council for the University of Ottawa, and the Advisory Board for the Program on Ethics, Business and the Law at University of Toronto Law School. As well, she was the former director for the Canadian Civil Liberties Association.

Memberships and Affiliations

Sheila is a member of The Advocates’ Society; the Supreme Court Advocacy Institute, National Advisory Committee; the President’s Council, University of Ottawa; the American College of Trial Lawyers (Fellow, 1991); the International Society of Barristers (Fellow, 1992); and the Commercial Bar Association of England (honorary member).