Expertise
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Practice Areas:
- Bar Admissions:
- Education:
- Dalhousie University (2001) LLB
- McGill University (1998) BA (Distinction - History)
Details
- Bio
- Cases
- Associations
- Blog Posts
- News & Media
- Publications & Presentations
- Recognition
Eli S. Lederman
Eli's practice covers a broad range of complex commercial litigation matters, including securities law, class actions, commercial contracts, franchise disputes, oppression and other shareholder litigation. He regularly acts for directors and officers of private and public corporations and advises boards and their committees on governance and litigation matters.
Eli has extensive trial experience in commercial litigation and in medical malpractice actions, and also acts as counsel in commercial arbitrations. He has appeared as lead counsel at all levels of court including the Supreme Court of Canada, the Court of Appeal for Ontario, the Court of Appeal for Alberta and the Ontario Superior Court of Justice.
Eli represents clients in a wide range of sectors, including those in financial services, information technology, real estate, franchising and manufacturing. Eli is a frequent speaker in continuing legal education programs particularly on issues relating to contractual disputes, securities law and trial advocacy.
Eli is also a member of the firm's Management Committee.
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City of Hamilton Judicial Inquiry
Counsel to the City of Hamilton in a Judicial Inquiry into the Red Hill Valley Parkway.
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Counsel to the successful partner of a multi-billion dollar residential and commercial real estate developer and builder in obtaining successful order winding up and selling the partnership.
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MediPharm Labs Inc v Hexo Operations Inc
Counsel for the former director of a cannabis company, defending against allegations of bad faith and breach of fiduciary duty by the purchasers of the company in relation to a $35 million supply agreement entered into during his directorship.
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Metropolitan Toronto Condominium Corporation No. 590 v Registered Orders
Counsel to the Metropolitan Toronto Condominium Corporation No. 590 in an application addressing responsibility for repair and maintenance of fireplace systems in a downtown Toronto high-rise condominium building. Succeeded in application to have the condominium’s declaration amended to designate the chimney flues as exclusive use common elements.
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Counsel to a dermatologist and medical clinic alleged to have engaged in negligence, breach of the Occupiers’ Liability Act, breach of contract and misrepresentation in relation to cosmetic treatments. Successful in having all allegations dismissed.
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Counsel to the successful respondent in an application for adverse possession over a strip of land between two residential properties in Toronto, Ontario.
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Counsel to the respondents in the Supreme Court of Canada regarding an Alberta action involving a claim for breach of an implied duty of good faith, conspiracy and inducing breach of contract in respect of a commercial agreement.
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Counsel to the defendant physician in a jury trial following the death of a patient from a sudden pulmonary embolism.
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Best Theratronics Ltd v Canadian Nuclear Laboratories Ltd
Counsel to Best Theratronics on an interlocutory injunction motion relating to a commercial contract dispute.
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GDL Solutions Inc v Hudson Technology Corporation
Counsel to the defendants in respect of an injunction brought by a competitor business.
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Canadian Bar Association
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The Advocates' Society
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Ontario Bar Association
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This past Friday, the Supreme Court of Canada released its much-anticipated decision in C.M. Callow Inc v Tammy Zollinger (“Callow”), the first of two appeals heard in December 2019 seeking clarification on the scope of the organizing principle of good faith recognized in Bhasin v Hrynew (“Bhasin”).
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Breaking down the Economic Barrier: Negligent Misrepresentation and Class Actions
Over the 25 years that Ontario’s Class Proceedings Act has been in force, there have been fewer than 20 common issue trials. While class actions have the potential to remove access to justice barriers and improve judicial economy and efficiency, in Ontario their scope has been limited.
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In a recent decision, the Ontario Superior Court awarded costs on a partial indemnity scale which constituted 75% of the costs actually incurred by the successful party. The decision demonstrates the possibility of a generous costs award on a partial indemnity scale where the issues at stake are important and complex, and both written materials and oral submissions are of high calibre.
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Lenczner Slaght’s Litigation Excellence Recognized in 2023 Lexpert Directory
Following comprehensive peer review surveys and interviews with senior members in the legal profession, the 2023 Canadian Legal Lexpert Directory has recognized 31 of the firm’s expert litigators for their experience, knowledge, and precision, with 108 rankings spanning 17 practice areas.
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Lenczner Slaght Recognized Among Canada’s Leading Litigation Lawyers
Following an in-depth peer review process, the 2022 Lexpert Special Edition: Canada's Leading Litigation Lawyers guide recognizes 15 Lenczner Slaght lawyers for their extensive courtroom experience and subject-matter expertise. We know courts, and courts know and trust us. That is why clients turn to us to solve their most complex legal problems.
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Lenczner Slaght Stands Out as a “Litigation Powerhouse” in Legal 500 Canada
Canada’s leading litigation firm is once again ranked in Tier 1 for Dispute Resolution by Legal 500 Canada.
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Lenczner Slaght Announces Monique Jilesen Will Succeed Tom Curry as Managing Partner
Interviewed by Canadian Lawyer, Monique Jilesen speaks more about the direction she intends to lead the firm following her appointment in 2023. Matthew B. Lerner was also mentioned, as he has been appointed to the Management Committee and will join current members, Eli Lederman, and chief operating officer Tracie Crook.
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Lenczner Slaght Litigators Recognized Among the Best Lawyers in Canada
In the latest edition of Best Lawyers in Canada, 39 of our expert litigators are recognized by their peers for their expertise across 24 practice areas.
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Almost 40 City Witnesses for Inquiry Into Slippery Red Hill So Far
Eli Lederman is quoted in The Hamilton Spectator article "Almost 40 City Witnesses for Inquiry Into Slippery Red Hill So Far". He comments on the cost, witnesses, and documents of the public inquiry into Hamilton’s Red Hill Valley Parkway.
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Costs of Red Hill Judicial Inquiry Continue to Mount
Eli Lederman and Delna Contractor are mentioned in The Bay Observer article "Costs of Red Hill Judicial Inquiry Continue to Mount" as counsel to the City of Hamilton in the Inquiry.
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The 2022 Lexpert Directory Recognizes Lenczner Slaght’s Litigation Excellence
31 of our expert litigators are recognized by their peers as the foremost practitioners across 18 fields.
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Lenczner Slaght’s 21st Year at the Centre of the Lexpert Bull’s Eye
Lenczner Slaght continues to be recognized as the #1 firm in Toronto for Litigation and Commercial Litigation by the 2022 Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada.
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Canadian Decision Offers Roadmap on M&A Obligations During a Pandemic
In a law.com article, Eli S. Lederman and Brian Kolenda share their expert insights on the decision in Cineplex v Cineworld, which will provide clarification on where else in contracts the pandemic would impact contractual obligations.
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The Supreme Court and duty of good faith: What now?
Eli Lederman authored The Lawyer's Daily article “The Supreme Court and duty of good faith: What now?”. In this article, he analyzes two recent cases that raise important questions about the content of the duty of good faith and about honest performance of contractual obligations.
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Eli S. Lederman shared his expert insight on the panel Solving Shareholder Disputes at the Law Society of Ontario's 9th Business Law Summit.
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Eli S. Lederman spoke at the 2017 CFA Franchise Law Day on "Managing Default, Termination and the Duty of Good".
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2nd Annual Duties of Good Faith: An Update on Law
Eli S. Lederman once again led Lexpert's full day professional development course on "Maintaining Honesty in Today's World". The program... -
Examinations for discovery - Advanced Skills Workshop
Eli S. Lederman served as Program Chair at the Osgoode Professional Development Intensive Trial Advocacy Workshop, Advanced Skills Series. -
Osgoode Professional Development: Examining Expert Witness
Lawyers Monique Jilesen and Eli S. Lederman co-chaired the Osgoode Professional Development advanced skills workshop Examining Expert Witnesses on... -
The Advocates' Society: Securities Law Update
Eli Lederman presented a Class Actions and Securities Litigation Update at The Advocates' Society's Securities Law Update event on November 17, 2016. -
Duties of Good Faith: Recent Developments in the Law and Practical Implications
Eli S. Lederman led an all day seminar on contractual rights, employee consideration and caselaw review on June 9, 2016. Marguerite Ethier also at the... -
Examinations for Discovery: Advanced Skills Workshop
Eli S. Lederman chaired a one day skills workshop on May 13, 2016 for Osgoode Professional Development. Matthew Lerner served as an instructor for the... -
36th Annual Intensive Trial Advocacy Workshop
Lawrence Thacker, Risa Kirshblum, Monique Jilesen, Eli Lederman, Matthew Sammon, Rebecca Jones, Jaan Lilles and Dena Varah were among the distinguished...
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Benchmark Canada (2013-2022)
Litigation Star – Class Action, Commercial, Securities
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Best Lawyers in Canada (2014-2023)
Administrative & Public Law, Corporate & Commercial Litigation, Franchise Law (2022), Health Care Law, Medical Negligence, Real Estate Law
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Canadian Legal Lexpert® Directory (2013-2023)
Litigation - Corporate Commercial, Medical Negligence, Professional Liability, Litigation - Directors' & Officers' Liability, Litigation - Securities, Litigation - Regulatory & Public Law (2021)
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Lexpert Guide to the Leading US/Canada Cross-border Litigation Lawyers in Canada (2015-2017)
Corporate Commercial Litigation, Litigation Lawyer to Watch (2015)
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Lexpert Rising Stars (2014)
Leading Lawyers Under 40
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Lexpert Special Edition: Canada's Leading Litigation Lawyers (2017-2022)
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Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada (2020-2021)
Corporate Commercial Litigation
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The Legal 500 Canada (2021-2023)
Dispute Resolution (Recommended Lawyer)