Expertise
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Practice Areas:
Bar Admissions:
Education:
- LawVision Group (2017) Legal Project Management
- Queen's University (2012) JD (Dean's Honours List)
- University of Toronto (2008) HBA (Criminology, Sociology and Philosophy – High Distinction)
Details
- Bio
- Cases
- Associations
- News & Media
- Publications & Presentations
- Recognition
Jonathan Chen
is a partner at Lenczner Slaght.
Jonathan’s litigation practice is focussed on class actions, business disputes, product liability and professional negligence matters. His clients have included financial institutions, technology companies, real estate developers and pharmaceutical companies. He has appeared before the Ontario Superior Court of Justice, the Ontario Court of Justice, the Ontario Court of Appeal, the Federal Court as well as administrative tribunals.
Prior to joining the firm, Jonathan articled and practiced at a leading national law firm where he defended banks, automotive companies, insurers, municipalities, police services boards and educational institutions. He also assisted on various class actions and was counsel on one of the first aggregate damages decisions in Canada.
While at law school, Jonathan was a Co-Editor-in-Chief of the Queen's Law Journal and a Teaching Assistant in Legal Writing and Research.
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Petrochemical Commercial Company International Ltd v Nexus
Counsel to individual respondents in an application relating to a worldwide and multijurisdictional Mareva injunction, including Malaysia, Cyprus and Australia.
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Counsel to the homeowners in a successful appeal to determine a question of law that the limitation period did not expire prior to the commencement of the action based on the appropriateness requirement of the discoverability provisions in the Limitations Act, 2002.
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Rovi Guides and TiVo Solutions v Bell Canada
Counsel to TiVo Solutions and its subsidiary Rovi Guides in a patent infringement action, involving patents relating to interactive television program guides, DVR technology, and related technologies.
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Rovi Guides and TiVo Solutions v Telus Corporation
Counsel to TiVo Solutions and its subsidiary Rovi Guides in a patent infringement action, involving patents relating to interactive television program guides, DVR technology, and related technologies.
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Rovi Guides and TiVo Solutions v Videotron
Counsel to TiVo Solutions and its subsidiary Rovi Guides in a patent infringement action, involving patents relating to interactive television program guides, DVR technology, and related technologies.
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Counsel to General Motors in defence of class actions relating to defective ignition switches and airbags. (Prior to joining Lenczner Slaght)
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Bernstein v Peoples Trust Company
Counsel to the Defendants in a class proceeding alleging that various brands of network-branded payment cards were subject to activation, dormancy, and other fees that constitute misrepresentations, breach of contract, and breaches of various provincial consumer protection legislation and related regulations.
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Counsel to the defendants in a class action alleging failure to disclose foreign exchange fees in registered accounts.
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Ramdath v George Brown College of Applied Arts and Technology
Counsel to the defendant at trial and appeal in a consumer protection class action brought by former students. (Prior to joining Lenczner Slaght)
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XL Insurance Company SE v ACE INA Insurance
Counsel to ACE defending claim for defence and indemnity for environmental contamination actions.
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Canadian Bar Association
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Ontario Bar Association - Member-At-Large of the Class Actions Executive
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The Advocates' Society
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Pro Bono Law Ontario - Duty Counsel
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University of Toronto - New College Career Mentorship Program
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Federation of Asian Canadian Lawyers
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Lenczner Slaght Congratulates Newest Partner: Jonathan Chen
We are proud to welcome Jonathan Chen to the partnership.
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Jonathan Chen Joins Lenczner Slaght
Canada’s leading litigation firm continues to attract top talent.
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Jonathan Chen led the May 2020 edition of the OBA Class Actions Law monthly call-in series. Jonathan provided his expert insight on key class action decisions from the past month.
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Jonathan Chen spoke at the Federation of Asian Canadian Lawyers’ 13th Annual Conference on February 8. He shared his expertise on the panel discussion The Business of Law: Powering It Up on the Tech Side.
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Abolishing Immunity for the Friendly Expert Witness
Volume 40, Number 4 of The Advocates’ Quarterly (February 2013) (Prior to joining Lenczner Slaght)
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David Sabbath Prize in Labour Law: Collective Agreements and Arbitration (2012)
Queen's University, Faculty of Law