Lawyer Profile Detail


Ryan MacIsaac is an associate in our litigation group in Toronto. He maintains a general litigation practice with a focus on public law issues and complex commercial disputes.

Mr. MacIsaac has experience with regulatory matters involving liquor licensing, environmental orders and prosecutions, trade law, municipal bylaws, transportation laws, professional prosecutions, and the awarding of mineral leases. He concentrates much of his practice on administrative law and judicial review challenges of government action. He has also worked to resolve contract and tort disputes both large and small.

In 2016, Mr. MacIsaac completed a secondment working in-house with a high-profile participant in the app-based sharing economy.

Before joining our Toronto office, Mr. MacIsaac articled and practiced in our Calgary office, where he worked closely with clients in the energy sector.

Mr. MacIsaac received his BA (with high distinction) in 2008 and his JD in 2012, both from the University of Toronto. He joined the firm in 2012, was called to the Alberta bar in 2013, and was called to the Ontario bar in 2016. Mr. MacIsaac is a member of the Law Society of Alberta, the Law Society of Upper Canada, the Canadian Bar Association and the Calgary Bar Association.

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McCarthy Tétrault delivers integrated business law, tax, real property, labour and employment, and litigation services nationally and globally through offices in Vancouver, Calgary, Toronto, Montréal, Québec City, as well as in New York City and and London, UK.