Expertise
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Practice Areas:
- Bar Admissions:
- Education:
- University of Western Ontario (2017) JD (Distinction)
- York University (2014) MA
- University of Western Ontario (2013) BA (Honours)
Details
- Bio
- Cases
- Associations
- Blog Posts
- News & Media
- Publications & Presentations
Sean Lewis (he/him)
is an associate at Lenczner Slaght.
"Sean Lewis is an excellent advocate. His research, writing and presentation skills are exceptionally strong." — Chambers Canada
Sean’s practice encompasses a broad range of litigation areas, including corporate-commercial, employment, public law, and professional liability, with a particular focus on commercial disputes and on all types of appeals.
Sean acts for a wide range of clients, including individuals, corporations across several industries, and governments. He also regularly defends the interests of physicians involved in regulatory and medical negligence matters.
Sean has appeared before several levels of court in multiple provinces, including the Ontario Court of Appeal and the Supreme Court of Canada, as well as multiple administrative tribunals.
While at law school, Sean was the Editor-in-Chief of the Western Journal of Legal Studies and was the Co-Chair of Western Law’s Advocacy Committee.
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Assurant Life of Canada ats GFD
Counsel to the successful Respondent corporation in a breach of contract dispute concerning an alleged amendment to a contract.
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2007414 Ontario Inc v Berman et al
Counsel to the plaintiffs in an oppression and breach of contract dispute regarding real estate developments and not for profit corporations.
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Counsel to the successful Defendant Physician in a trial for alleged negligence for failing to diagnose and treat an ankle fracture.
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New York Brand Studio Inc ats 110 Spadina Avenue Inc
Counsel to the Respondent tenant in a breach of contract dispute with a landlord. The proceedings were resolved by way of settlement.
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Counsel to a re-insurance company respondent in an international, multi-party coverage and allocation dispute.
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Loblaw Companies Limited et al v Royal & Sun Alliance Insurance Company of Canada et al
Counsel to AIG in a duty to defend and coverage application related to opiate class proceedings.
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Bakaris v Southern Sun Pharma Inc et al
Counsel to the respondent corporation and director in a breach of contract application related to the acquisition of a license to grow and sell cannabis in Zimbabwe. Successfully stayed the matter in favour of arbitration.
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Special Committee of the Board of Directors of Aphria Inc.
Counsel to the Special Committee of the Board of Directors of Aphria Inc. in connection with allegations made by short sellers regarding the value of certain assets and insider dealings.
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Armstrong v Royal Victoria Hospital
Appealed successfully on behalf of the defendant physician in a case of alleged negligence relating to a ureteric injury during a colectomy.
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Aecon Mining Construction Services v K+S Potash Canada GP
Counsel to Aecon in complex litigation involving multiple parties and claims, in respect of the Legacy potash mine and production facility in Saskatchewan.
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Advocates' Society
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Canadian Bar Association
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Ontario Bar Association
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The Court of Appeal for Ontario has once again reaffirmed the deference afforded to first instance judges in cases of contractual interpretation that rely heavily on the factual matrix—even where the underlying facts and history are unique.
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The SCC Leave Project: Predictions for May 13, 2021
Here’s a look at the leave application decisions that the Supreme Court of Canada will be releasing on May 13, 2021.
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In its February 28, 2020 decision, Nevsun Resources Ltd v Araya, the Supreme Court of Canada allowed a claim by three Eritrean citizens against a British Columbia corporation operating in Eritrea to proceed. Canadian (and international) corporations with international operations in high risk jurisdictions should take note.
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Enforcing Arbitral Awards on the Commercial List
Lawrence E. Thacker and Sean Lewis co-authored the article Enforcing Arbitral Awards on the Commercial List, which was published on commerciallist.com.
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Still much to be determined on insurance coverage after cyberattacks
Sean Lewis is quoted in the Law times article "Still much to be determined on insurance coverage after cyberattacks" on August 12, 2019. This article discusses case law related to cybersecurity insurance coverage.
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Lenczner Slaght Welcomes Five New Associates
Canada’s leading litigation firm continues to add to its collective experience and knowledge with the addition of five talented associates.
Lenczner Slaght is delighted to welcome Derek Knoke, Graham Henry, Jonathan D. Langley, Sean Lewis, and Zachary Rosen to the firm as our new associates.
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The Walker Health Law Moot 2021
Sean Lewis, Vinayak Mishra, and Adam H. Kanji served as judges at the 2021 Walker Health Law Moot.