David T. Lametti (born August 10, 1962) is a Canadian politician who has been the Member of Parliament for LaSalle—Émard—Verdun since 2015. A member of the Liberal Party, Lametti served as minister of justice and attorney general of Canada from 2019 to 2023. Born in Port Colborne, Ontario, Lametti graduated from University of Toronto and studied law at McGill University, Yale University, and Exeter College, Oxford. Prior to entering politics, he was a professor of law at McGill University, a member of the Institute of Comparative Law, and a founding member of the Centre for Intellectual Property Policy. Lametti was born on August 10, 1962, in Port Colborne, Ontario, Canada, to Italian immigrants. Lametti earned his Bachelor of Arts degree in economics and political science from the University of Toronto in 1985, and his Bachelor of Laws and Bachelor of Civil Law degrees at McGill University in 1989. He then served as a clerk to Justice Peter Cory of the Supreme Court of Canada in 1989–90. In 1991, Lametti completed a Master of Laws degree from Yale Law School and in 1999, he completed a Doctor of Philosophy degree in law at Exeter College, Oxford, with a thesis, The Deon-Telos of Private Property: Ethical Aspects of the Theory and Practice of Private Property. In 1995, after having been a visiting lecturer at the Faculty of Law, University of New Brunswick, Lametti accepted a lecturing position at the Faculty of Law, McGill University, where he taught and conducted research. He became an assistant professor in 1998, an associate professor in 2003, and was promoted to full professor with tenure in 2015. He lectured and wrote on subjects related to civil and common law property, intellectual property, property theory and ethics. His work led to the creation of the Centre for Intellectual Property Policy, which he co-founded in 2003 and for which he served as director from 2009 to 2011. He was Associate Dean (Academic) of the McGill Faculty of Law between 2008 and 2011, was a member of McGill University's Senate from 2012 to 2015, and was formerly a Governor of the Fondation du Barreau du Québec.