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.
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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Grand Land Investments Inc v Cameron Stephens Mortgage Capital Ltd
Counsel to Cameron Stephens Mortgage Capital Ltd. in an action concerning the alleged breach of a commitment letter.
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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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Cameron Stephens Mortgage Capital Ltd v 1091369 Ontario Inc
Counsel to a construction lender in an application to appoint a receiver.
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Counsel to the successful Defendant Physician in a trial for alleged negligence for a delayed diagnosis of a ureteric injury.
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Tri-South Developments Inc v 583167 Ontario Inc
Counsel to the Plaintiff developer in a breach of contract case concerning a real estate development.
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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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Advocates' Society
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Canadian Bar Association
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Ontario Bar Association
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“Next Exit, Please”: Escaping a Contractual Buy/Sell Process
Shareholder agreements commonly contain buy/sell provisions establishing a process by which a shareholder can initiate a sale of their interest or can acquire the interest of another shareholder. The particulars of this process vary. Based on the parties’ bargain at the time the agreement is made, there are frequently unique and particular requirements to these provisions. The Ontario Superior Court of Justice emphasizes the importance of abiding by those requirements, as seen in a recent decision invalidating a purported closing of a share purchase transaction for the purchasers’ failure to comply with the specific process set out in the Shareholders’ Agreement. Justice Vella’s reasons in Leeder Automotive Inc et al v Warwick therefore offer an excellent reminder to shareholders that they disregard the requirements of a buy/sell provision at their peril.
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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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Lenczner Slaght Advocacy Competition in Legal Ethics and Professionalism 2023
We were proud to continue our sponsorship of Western Law’s annual Legal Ethics and Professionalism moot! Matthew B. Lerner, Sean Lewis, Sean Blakeley, Jim Lepore, and Allison Jandura participated as judges.
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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.