Maureen E. Killoran, QC
Partner

Osler, Hoskin & Harcourt LLP

450 1st St SW, Suite 2500
Calgary, AB T2P 5H1
Phone: (403) 260-7003
Fax: (403) 260-7024
E-mail: mkilloran@osler.com
 
 
 

Maureen Killoran, QC, has a national litigation practice focussed on complex commercial disputes and energy and resource industry matters. Working out of Osler’s Vancouver and Calgary offices, she is a seasoned trial/appeal lawyer with extensive arbitration experience. She currently acts on several high-profile disputes for Canadian Natural Resources Limited, The Williams Companies, ConocoPhillips, Suncor, TC Energy, and Enbridge. Maureen is lead litigation counsel on the $10 billion Trans Mountain Pipeline Expansion Project and has represented the TM Project at the Federal Court of Canada, the Federal Court of Appeal, the British Columbia Supreme Court, the BC Court of Appeal, and the Supreme Court of Canada in judicial reviews, appeals, Aboriginal and constitutional issues, injunctions, and a Constitutional Reference case (on appeal to SCC). Maureen joined Osler LLP as a Partner in 2005 and as Managing Partner of the Osler Calgary office was the first woman in Alberta to hold such a leadership position at a national firm. Maureen is a frequent speaker on disputes, energy, Aboriginal, constitutional, and environmental topics.


Year Called to the Bar:1995 (AB); 1995 (ON)
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