Dennis M. O'Leary

Dennis M. O'Leary

Partner at Aird & Berlis LLP
(416) 865-4711
(416) 863-1515
181 Bay St, Suite 1800, Brookfield Pl, Toronto, ON
Year called to bar: 1984
An experienced litigator and commercial lawyer with four decades of advocacy experience. Member of the firm's Litigation, Transportation and Mining Groups as well as Co-Chair of the firm's Energy Group and Environmental Group. Practises in the areas of energy and environmental, transportation, regulation, insurance and commercial litigation. Has appeared before all levels of the courts and numerous administrative tribunals in respect of a broad range of regulatory and litigation matters, many of which involved significant energy, environmental and transportation law matters. Has a strong understanding of the specialized legal and regulatory environment that comprises Indigenous law. Recognized in The Best Lawyers in Canada and recommended in The Legal 500 Canada.
Dennis M. O'Leary is a featured Leading Lawyer in:
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