Zirjan Derwa

Senior Associate
Toronto: 416.865.8144
Fax 416.865.7380


JD, 2011
Queen’s University
MA, (Economics), 2008
University of Toronto
BSc (Mathematics and Engineering), 2007
Queen’s University

Bar Admissions

Ontario, 2012


Zirjan (Zee)’s practice focuses on competition law and foreign investment review matters. He provides advice to clients on all aspects of Canadian competition law in connection with complex mergers, acquisitions, joint ventures and other strategic alliances. Zee’s practice also includes advising on potentially anti-competitive business practices as well as compliance under the Competition Act. He regularly provides advice to clients on the misleading advertising provisions of the Competition Act. As part of his practice, he also assists clients in the navigation of multi-jurisdictional criminal anti-trust investigations and the defence of associated parallel civil class actions. Zee has acted for clients in abuse of dominance proceedings as well as many major national cartel cases.

In his foreign investment review practice, Zee advises clients on net benefit, national security and cultural sector reviews under the Investment Canada Act. He has represented numerous foreign investors, including as well as domestic targets in acquisition transactions.

Representative Work

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Who’s Who Legal—Future Leader in competition (2019-2020)


The Canadian Competition Bureau and ‘Big Data’

Author, Competition Law International, IBA Antitrust Section

Memberships and Affiliations

Zee is a Vice Chair of the Mergers Committee, and former Chair of the Economics and Law Committee, of the National Competition Law Section of the Canadian Bar Association.