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Zachary Rosen listen


Zach* is a lawyer at Lenczner Slaght. His experience in previous roles in private practice, in-house, and as a parliamentary assistant, as well as his background in both civil and common law frame his perspective on the law. He speaks§ both English and French, advocating on your behalf in your language , so your voice can be heard. .



Zachary Rosen

is a lawyer at Lenczner Slaght.

Zach’s litigation practice is focused on complex corporate-commercial disputes and public and administrative litigation. He also has experience representing government institutions and private entities in procurement matters and advising clients on intellectual property issues.

Zach’s clients come from a wide range of backgrounds and industries, from individual entrepreneurs to public companies, and government institutions to non-profit human rights organizations. Zach has appeared before the Ontario Superior Court of Justice, the Ontario Court of Justice and a number of administrative tribunals, including the Human Rights Tribunal of Ontario and the Canadian International Trade Tribunal.

Prior to joining the firm, Zach worked at a litigation firm in Montreal, where he assisted with general civil, commercial, and intellectual property files. He has also previously worked as an assistant to a Member of Parliament in the House of Commons as well as a research assistant in the legal department of one of Canada’s largest e-commerce companies.

  • Ontario Bar Association

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