Patricia McMahon

Patricia McMahon is a lawyer and historian living in Toronto. She is currently completing a JSD at Yale Law School that examines how pressure groups influenced the fusion of law and equity under England’s Judicature Acts of 1873-1875.

Dr. McMahon worked for a decade as a civil litigator at Osler, Hoskin and Harcourt LLP. Her practice focused on civil, constitutional, and tax disputes, and she appeared in all levels of court in that capacity. Prior to joining Osler, she served as a law clerk to Mr. Justice Ian Binnie at the Supreme Court of Canada, and was a Fulbright Scholar at Yale Law School. While completing her LL.M. at Yale, she served as a student director in a legal aid clinic that participated in civil liberties litigation related to the policies of the US government following the attacks on September 11, 2001, working with cases involving detentions, search and seizure, due process, international human rights, and humanitarian law. She served as a Regional Representative for the Executive Committee of Yale Law School from 2004 to 2008.

Dr. McMahon is currently on the Board of Directors of the Osgoode Society for Canadian Legal History and Bannockburn School.

Osgoode Society for Canadian Legal History Books

The Persons Case: The Origin and Legacy of the Fight for Legal Personhood (Toronto: The Osgoode Society and the University of Toronto Press, 2007), 269 pp. (with Mr. Justice Robert Sharpe).