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Jeffrey S Leon
Lawyers profile
Canada 2025
Lawyers profile | Canada 2025: Dispute Resolution: Class Action (Defence), Litigation: General Commercial
Jeffrey S Leon
Ranked in 2 Practice Areas
S

Senior Statespeople

Dispute Resolution: Class Action (Defence)

Nationwide - Canada

9 Years Ranked

S

Senior Statespeople

Litigation: General Commercial

Ontario

8 Years Ranked

Ranked in Guides
Global 2025

About

Provided by Jeffrey S Leon

Canada

Practice Areas

Jeffrey Leon, one of Canada’s pre-eminent counsel, helps clients develop practical approaches to complex, ‘bet-the-company’ business litigation and class actions. He advocates for companies, directors, officers, and individuals involved in domestic and cross-border securities, commercial, corporate, product liability, professional negligence and health care proceedings. Jeff has advised independent committees in a variety of corporate transactions and has acted as counsel and neutral in domestic and international arbitrations. He has had extensive experience in a wide variety of administrative law matters. Jeff uses his deep experience to deliver the result sought by clients, whether through negotiated settlement or vigorous advocacy at trial.

Career

Admitted to the Ontario bar, 1979.

Personal

Jeff has received the Ontario Bar Association Award of Excellence in Civil Litigation (2014), Queen Elizabeth II Diamond Jubilee Medal (2013) in recognition for his achievements in law and his commitment to serving his community, The Advocates' Society's Catzman Award for Civility and Professionalism (2010), and the Law Society Medal from the Law Society of Ontario (2005) in recognition of his outstanding contributions to the profession.

Chambers Review

Provided by Chambers

Canada

Dispute Resolution: Class Action (Defence) - Nationwide - Canada

S
Senior Statespeople
Individual Editorial

Jeffrey Leon is highlighted for his long-standing experience, which covers both class action and single-plaintiff disputes. A seasoned litigator, he has experience handling a range of commercial, securities and product liability cases.

Learn more about this team❖View ranking table

Litigation: General Commercial - Ontario

S
Senior Statespeople
Individual Editorial

Accomplished litigator Jeffrey Leon is distinguished for his experience defending clients in a range of different disputes, including breach of contract litigation and oppression lawsuits. He is located in Bennett Jones's Toronto office.

Learn more about this team❖View ranking table

Strengths

Provided by Chambers

He has been a leader of the Bar for a number of years.

Dispute Resolution: Class Action (Defence) respondent
Canada

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