
Overview
David Lederman is a partner in the Dispute Resolution Group at Goodmans. His practice focuses on litigation and arbitration disputes, including commercial law and intellectual property matters. David has substantial trial experience in shareholder battles, fiduciary liability, technology disputes, defamation, white collar crime, alcohol and cannabis litigation.
David appears before the trial and appellate levels of the Ontario Superior Court of Justice and the Federal Court of Canada. He has also appeared before a number of administrative tribunals, including tribunals such as the Ontario Energy Board and the Licence Appeal Tribunal (AGCO).
David is experienced in domestic and international arbitrations and has acted as lead counsel in proceedings brought before the ICC International Court of Arbitration. He also has served as an arbitrator for the International Centre of Dispute Resolution.
David is recognized as a leading litigator by Best Lawyers in Canada and The Canadian Legal Lexpert Directory. He is also featured in the 2022 Lexpert Special Edition: Litigation leading lawyers. In 2012, he was selected as one of Lexpert’s "Rising Stars: Leading Lawyers Under 40.”
Expertise
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Appellate Advocacy
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Arbitration - Domestic and International
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Corporate and Commercial Litigation
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Corporate Governance and Stakeholder Litigation
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Crisis Management and Urgent Proceedings
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Dispute Resolution
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Estates and Trusts Litigation
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Insolvency Litigation
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Judicial Review
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Professional Liability
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Real Estate Brokerage Compliance
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Real Estate Litigation
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Communications and Media
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Competition Law Litigation
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Energy
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Food and Drug Regulatory and Litigation
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Intellectual Property
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Patent Prosecution, Licensing and Transactions
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Patent, Trademark and Copyright Litigation
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PMPRB Strategies and Litigation
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Trademark Prosecution, Licensing and Transactions
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Regulatory, Administrative and Public Law
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Securities Litigation
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Technology
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Technology Disputes
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White Collar Defence and Investigations
Awards & Recognition
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The Canadian Legal Lexpert Directory Recognized, Litigation - Corporate Commercial 2023
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Best Lawyers in Canada Recognized: Corporate and Commercial Litigation, Intellectual Property Law 2023
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Lexpert Special Edition: Litigation Recognized, Canada's Leading Litigation Lawyers 2022
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Best Lawyers in Canada Recognized: Corporate and Commercial Litigation, Intellectual Property 2022
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The Canadian Legal Lexpert Directory Repeatedly Recommended, Litigation - Corporate Commercial 2022
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The Canadian Legal Lexpert Directory Repeatedly Recommended, Litigation - Corporate Commercial 2021
Credentials
Professional Involvement
David is a member of the ICC Canada Committee. He has spoken at ICDR and OBA events on arbitration issues.
David assisted the Honourable Bob Rae in his review of the bombing of Air India Flight 182 and in preparing his report entitled Lessons to be Learned which led to a Commission of Inquiry into the investigation of that event.
David regularly explores new developments in the law. David has spoken on the litigation risks associated with “crowdfunding” and the emerging growth of third party litigation funding.
Credentials
- Western University, LL.B., 1999
- McGill University, B.A., 1996
Professional Affiliations
- Law Society of Ontario
- Ontario Bar Association
- The Advocates’ Society
- International Centre for Dispute Resolution Canada
- ICC Canada
Call to Bar
- Ontario
Insights
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Dispute Resolution
Supreme Court of Canada Approves Litigation Funding in CCAA Proceeding
In a decision released last week, in addition to providing useful guidance regarding the objectives of the Companies’ Creditors Arrangement Act (CCAA), the Supreme Court of Canada (SCC) approved a… -
Dispute Resolution
Under a State of Emergency, What Orders can the Ontario Government Enact?
What is the impact of Ontario's declaration of a State of… -
Dispute Resolution
Supreme Court Clarifies Ambit of Directors’ Personal Liability Under the Oppression Remedy
The Supreme Court of Canada (the “Court”) recently released its decision in Wilson v. Alharayeri, 2017 SCC 39 (“Wilson”). In Wilson, the Court clarified the circumstances in which company… -
Arbitration - Domestic and International
Canada Ratifies International Arbitration Protocol
Canada will finally adopt the International Centre for Settlement of Investment Disputes (ICSID) convention as of December 1, 2013. The convention, which has been adopted by 150 other countries…
News & Events
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Banking and Financial Services
The Canadian Legal Lexpert Directory 2023 Continues to Recognize Goodmans
We are proud to announce we have once again been recognized in The Canadian Legal Lexpert Directory 2023.85 Goodmans lawyers have been recognized as top-tier in their fields and leaders across… -
Dispute Resolution
Goodmans Partners Recognized in the Lexpert Special Edition: Litigation 2022
We are delighted to announce the Lexpert Special Edition: Litigation 2022 once again features Goodmans partners among Canada's experts in litigation.Congratulations to our 13 featured partners:Andrew… -
Private Equity and Venture Capital
100+ Goodmans lawyers recognized in Best Lawyers in Canada: 2023 Edition
Goodmans is delighted to announce we have been recognized by the 2023 edition of Best Lawyers in Canada with 101 lawyers ranked across 41 practice areas.Congratulations to Dale H. Lastman, C…