Osler is a leading business law firm practising internationally from offices across Canada and in New York. Our clients include industry and business leaders in all segments of the market and at various stages in the growth of their businesses. Contact Us Osler is a leading business law firm that advises Canadian, U.S.

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and international corporations, governments and organizations on domestic and cross-border legal issues. About us Our Story Osler is a leader in Canadian business law with a singular focus – your business. With an integrated network of offices in Toronto, Montréal, Calgary, Ottawa, Vancouver and New York, we have an undisputed reputation for solving problems, removing obstacles, and providing the answers you need, when you need them. Osler Works is our platform for delivering practical, cost-effective legal services using cutting edge, technology and predictable processes.

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Our transparent and efficient approach helps reduce the time, effort and cost of your legal matters. Osler has been recognized as a market leader in the 2026 edition of The Canadian Legal Lexpert Directory. With a total of 384 rankings across 179 lawyers, Osler earned rankings in 33 practice areas, 25 of which received the highest distinction. 179 Osler lawyers and 33 practice areas recognized in the 2026 Canadian ... Data sovereignty in light of the CLOUD Act: back to the future?

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- Osler ... Osler is dedicated to improving the quality of life for the communities where we live and work. Fostering a firm-wide culture of “giving back” and equal opportunity, we sponsor and participate in numerous initiatives and programs to empower the diverse members of our communities.