Maureen is the Managing Partner of Osler’s Calgary office and a trusted advisor to many major commercial clients. Maureen’s practice is devoted to complex commercial disputes with particular emphasis on the Resource Industry. She is a seasoned trial and appeal lawyer with experience in commercial arbitrations (domestic and international) and other forms of dispute resolution. Maureen represents a diverse group of clients and has extensive experience in Resource Industry disputes, both in Canada and abroad, acting on major hydroelectric, oil sands, midstream, upstream and downstream disputes including: CAODC, CAPL and AIPN contract matters; gas supply contracts; oil and gas facilities and processing contracts; operator disputes; royalty disputes; Rights of First Refusal (ROFR); accounting disputes; fiduciary duties; product liability; and environmental/contaminated sites claims. A significant portion of Maureen’s practice includes judicial review, regulatory appeals, and the defence of aboriginal claims in both Federal and Provincial Courts. Maureen also defends corporations in environmental, health, and safety prosecutions.