Justice Lorne Sossin was appointed to the Court of Appeal for Ontario in November 2020. Prior to this appointment, Justice Sossin served as a judge of the Superior Court of Justice (2018-2020). Before this initial appointment, Justice Sossin served as Professor and Dean of Osgoode Hall Law School, at York University (2010-2018). Previously, Justice Sossin was a Professor with the Faculty of Law at the University of Toronto (2002-2010) and a former Associate Dean (2004-2007). He served as the inaugural Director of the U. of T. Centre for the Legal Profession (2008-2010).

Justice Sossin was a law clerk to former Chief Justice Antonio Lamer of the Supreme Court of Canada, a former Associate in Law at Columbia Law School and a former litigation lawyer with the firm of Borden & Elliot (now Borden Ladner Gervais). He received his LL.B. from Osgoode Hall Law School and was called to the Bar of Ontario in 1996. Justice Sossin holds doctorates from the University of Toronto in Political Science and from Columbia University in Law.

Justice Sossin has published numerous books, journal articles, reviews and essays, including Administrative Law in Practice: Principles and Advocacy (Toronto: Emond Montgomery, 2018) (with Emily Lawrence). Justice Sossin is also the recipient of the 2012 David Mundell Medal for excellence in Legal Writing.

Courses

Legal Ethics