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John Carlo Mastrangelo

John Carlo Mastrangelo

Position

John Carlo has a broad litigation practice with a particular focus in corporate commercial litigation and public law. He has significant subject matter experience in multiple industries including telecommunications, energy, and real estate.

John Carlo has played pivotal roles in numerous significant litigation matters including a precedent-setting CRTC appeal, a First Nations historic Treaty claim, and the largest contested merger in Canadian history. He has appeared at all levels of court in Ontario before the national Competition Tribunal, and the Supreme Court of Canada.

John Carlo graduated as the gold medallist from the Osgoode Hall Law School and won a range of subject-matter prizes. Before joining the firm, John Carlo served as a law clerk to the Honourable Suzanne Côté at the Supreme Court of Canada.

Education

Called to the Ontario Bar, 2018; Clerkship: Justice Suzanne Côté, Supreme Court of Canada; J.D., Osgoode Hall Law School, 2017; Undergraduate studies at Glendon College, York University

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