About Jonathan

Jonathan McDaniel is a partner at Lenczner Slaght with a broad litigation practice spanning corporate-commercial disputes, arbitration, and public law. His clients have included manufacturers, developers, insurers, financial institutions, regulated professionals, technology firms, oil and gas companies, government agencies, and boards of directors. He has litigated across Ontario's courts, before the Alberta and Manitoba Courts of King's Bench, the Nova Scotia Supreme Court, and administrative bodies such as the Ontario Human Rights Tribunal. Before practicing law, Jon worked for federal cabinet ministers in two portfolios, and while at law school he volunteered at Toronto's Downtown Legal Services clinic representing individuals facing criminal charges. He earned his JD from the University of Toronto, where he won the Laskin Prize in Constitutional Law, and holds a BA in History, Political Science, and Classics from McGill University. He was called to the bar in Alberta in 2017 and in Ontario in 2018.

Education & credentials

Law school
University of Toronto

Is this you?

Fix or remove this listing, or add a free listing badge

Something wrong with this listing? Tell us and we’ll hide it right away while we review your request, then correct it or take it down.

Add your free listing badge

Add the free LawOnline listing badge to your website. It tells visitors you’re listed in an independent Canadian lawyer directory and links back to this profile. Being listed isn’t a certification or an endorsement, and the badge doesn’t mean we’ve checked your credentials.

LawOnline.ca Canadian Lawyer Directory listing badge

This listing was generated by AI from public sources in August 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on their firm’s website. Confirm Jonathan McDaniel’s licence and standing in the Law Society of Ontario directory ↗

How this data is compiled and checked · Correct or remove this listing