Donald B. Johnston

Donald B. Johnston

Partner at Aird & Berlis LLP
(416) 865-3072
(416) 863-1515
181 Bay St, Suite 1800, Brookfield Pl, Toronto, ON
Year called to bar: 1978 (ON)
Donald offers his clients more than legal advice – he enjoys getting to know them and uncovering their goals in order to offer the right advice. With decades of experience in high-stakes transactions, Don prides himself on his composed nature and ability to communicate effectively. His clients rely on his mature experience and expert negotiating skills, particularly when exploring new opportunities to grow their companies. Don is Co-Chair of the firm's Technology Group and a member of the Corporate/Commercial, Privacy & Data Security, Intellectual Property and Energy Groups. Don has diverse experience in technology of all kinds: IP, mergers and acquisitions, procurement, privacy/data protection and health law, as well as technologies such as blockchain and autonomous vehicles. He regularly provides strategic advice to clients on licensing transactions, financing and development projects, negotiating and settling agreements, and distribution arrangements. Don is recognized as a Global Elite Thought Leader in Who's Who Legal Global: Data - Information Technology and as a National Leader in Who's Who Legal Canada: Data. He is also recognized by The Best Lawyers in Canada and was named 2026 "Lawyer of the Year" in Privacy and Data Security Law (Toronto) by Best Lawyers'.
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