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Contact by email at [email protected]

t. 416-601-8141


Will Horne is an associate in our Litigation Group in Toronto. He maintains a general litigation practice, with a particular focus on complex commercial disputes, government and regulatory matters, professional liability, and class actions. Will has represented clients before multiple levels of court in Ontario, Prince Edward Island, and Nova Scotia, and has appeared before various administrative tribunals in each of those provinces.

Prior to joining McCarthy Tétrault, Will served as a Policy and Parliamentary Affairs Advisor to the Minister of Justice and Attorney General of Canada. In that role, Will advised federal Cabinet Ministers on numerous key files, including criminal justice system reform, legalization and regulation of cannabis, high profile extradition matters, and communications strategies related to major litigation decisions.

Will began his career as a lawyer practicing at a regional firm in Atlantic Canada. While there, he represented clients in a variety of litigation matters, including a large-scale investor class action, a complex multi-party dispute related to a major land acquisition, and as an Agent of the federal crown in a series of criminal prosecutions related to a drug trafficking operation.

Will graduated from the Shulich School of Law at Dalhousie University in 2014, having completed a certificate in environmental law and a semester working at the Dalhousie Legal Aid Clinic, where he focused on youth criminal, administrative, and landlord/tenant matters.

An advocate on environmental matters, Will has served on the boards of the Winter River Watershed Association and the Island Nature Trust. Will has also worked as a Teaching Assistant at the Dalhousie College of Sustainability, as the Coordinator for the East Coast Environmental Law Association, as the Executive Director of the Dalhousie Student Union Sustainability Office, and as a Board Member of the Dalhousie President’s Advisory Council on Sustainability.

Will was called to the bar in 2015.