June 16, 2025

Lenczner Slaght Welcomes Julien Sicco

Canada’s leading litigation firm continues to strengthen its expertise with the addition of Julien Sicco.

Julien's practice spans a broad range of commercial disputes, class actions, and intellectual property matters. He has experience in complex, multi-party litigation involving biotechnology, pharmaceuticals, professional liability, and other high-stakes business disputes.

“We are thrilled to welcome Julien to the firm,” says Managing Partner, Monique Jilesen. “He brings diverse legal experience, sharp thinking, and a passion for advocacy. His practical approach and commitment to understanding our clients’ needs will make him a trusted advisor and valuable resource to our clients.”

Prior to joining Lenczner Slaght, Julien practiced at a large national firm where he specialized in the defence of multinational manufacturers of consumer and commercial products, including manufacturers of medical devices and pharmaceuticals products. He also gained experience in patent litigation and commercial real estate matters.

Julien completed his law degree at the University of Ottawa, where he graduated magna cum laude. Before law school, he earned his BASc degree in genetics and philosophy from the University of Guelph.

Welcome, Julien!