Jonathan Toshach Tosh Weyman

J. Toshach Weyman

Toronto: 416.865.8210
Fax 416.865.7380


JD (Gold Medalist), 2015
Osgoode Hall Law School
MES (Urban Planning), 2015
York University
BSc (With High Distinction), 2009
University of Toronto

Bar Admissions

Ontario, 2016


Tosh’s practice focuses on litigation and dispute resolution in a variety of areas, including corporate/commercial litigation, administrative and public law, environmental law, insurance law and tax law.

Tosh has appeared as counsel before the Ontario Superior Court of Justice, the Court of Appeal for Ontario, the Federal Court of Canada, the Saskatchewan Court of Queen’s Bench, and the Ontario Human Rights Tribunal.

Representative Work

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Professional Involvement

Before joining Torys, Tosh was a law clerk to Justices Gillese, MacFarland, and van Rensburg of the Court of Appeal for Ontario.

During law school, Tosh was a senior editor for the Osgoode Hall Law Journal and a Dean’s Fellow for the State and Citizen course. He was also a teaching assistant at the Faculty of Environmental Studies, York University.

Prior to law school, Tosh worked as a research coordinator, geographic information systems analyst and cartographer at the Centre for Research on Inner City Health, St. Michael’s Hospital. He also worked as a research consultant for the City of Toronto and the Region of Peel.


Tosh provides pro bono services to members of CARFAC (Canadian Artists' Representation/le Front des artistes canadiens) on copyright issues.

Memberships and Affiliations

Tosh is a member of The Advocates’ Society.