Maureen Killoran KC

Practice Areas

Maureen is the firm's national Co-Chair and a member of the firm’s Partnership Board. Maureen practices out of both our Vancouver and Calgary offices and is the former Managing Partner of Osler's Calgary office (2011-17). She is a trusted advisor to major commercial clients and regularly advises both public and private sector interests.

Maureen’s litigation practice is devoted to complex commercial disputes with particular emphasis on the resource industry. She is a seasoned trial and appeal lawyer with extensive experience in commercial arbitrations (domestic and international) and other forms of dispute resolution. Maureen represents a diverse group of clients and has broad experience in resource industry disputes acting on major pipeline, hydroelectric, oil sands, midstream, upstream and downstream disputes.

A significant portion of Maureen’s practice involves litigation related to major resource and transportation projects and undertakings. She routinely appears on matters of judicial review, regulatory appeal, and environmental, administrative, constitutional, Charter and indigenous claims in Federal and Provincial Courts across the country.

Numerous industry publications describe Maureen as being widely regarded by clients and peers as one of Canada’s top litigators in the areas of energy & resource, indigenous, and commercial litigation, appellate advocacy, and constitutional and administrative law:

Benchmark Litigation notes that Maureen is described as: “a real force in the litigation community, taking charge and really appearing front and centre on big actions …” "She is very collaborative and really knows her stuff. She is very good at getting things under control."

Chambers and Partners notes: “…a very capable litigator … does a good job of moving matters forward.”

Career

University of Calgary, LL.B.

Queen’s University, B.A. (Hons.)

Bar Admission: Alberta, 1995 | Ontario, 2001 | British Columbia, 2015

Professional Memberships

Law Societies of Alberta, Ontario and British Columbia

Canadian Energy Law Foundation

Rocky Mountain Mineral Law Foundation