Heather L. Treacy, Q.C. is the Managing Partner of Davis LLP's Calgary office. Heather is an experienced counsel whose practice is focused on civil litigation and dispute resolution.
She has over 23 years of experience in acting as counsel to clients in complex litigation and disputes, and has extensive experience with negotiations and mediation on matters related to energy and resources law, aboriginal and constitutional law, general commercial disputes, transportation, aviation, human rights, employment law and intellectual property law. She frequently appears before both the Trial and Appellate Courts in the Province of Alberta, the Federal Court of Canada, the Federal Court of Appeal and various tribunals, including the Canadian Human Rights Tribunal, energy related tribunals and the Canadian Transportation Agency.
Heather has extensive knowledge of the energy industry, particularly in the oil and gas sector. She has acted on numerous oil and gas disputes, including contract, lease, farm-out and operating agreement issues and royalty calculation disputes. Heather also has specific expertise in aboriginal law and provides advice on a significant number of issues involving treaty, aboriginal rights and aboriginal title issues; Metis issues; land and reserve issues; Indian Act matters; issues arising under the Indian Oil and Gas Act and regulatory regime; consultation and accommodation issues; issues North of 60, comprehensive and specific land claim agreements, impact benefit agreements, training and employment agreements, joint-venture agreements, legislative regimes and resource issues and First Nation governance matters.
Heather has been recognized as a pre-eminent lawyer in the area of aboriginal law by The Canadian Legal Lexpert Directory (2010 to 2013), Best Lawyers in Canada (2013 and 2014), and as a Litigation star by Benchmark Canada (2014), guides to the leading law firms and practitioners in Canada.
Heather is active in the community and has a passion for the arts. She is the Vice-Chair of the Board of Directors and Chair of the Governance Committee of the Calgary Philharmonic Orchestra. Heather is a past member of the Board of Directors and Corporate Secretary of the Alberta Ballet Company, Theatre Junction and the Calgary Region Arts Foundation.
•Acting as counsel for energy companies on claims involving royalty calculation issues (Stoney Tribal Council v Petro-Canada Ltd. et al).
•Acting as counsel for an international air carrier in proceedings before the Canadian Transportation Agency and the Federal Court of Appeal.
•Acted as counsel to a manufacturing company involving the protection of its trademark and intellectual property.
•Acted as counsel in successfully compelling that an election be held when cancelled by a First Nations government (Shotclose et al v Stoney First Nation et al).
•Acted as Chief Federal Negotiator for the Government of Canada in a treaty on Vancouver Island involving the B.C. treaty process for First Nations.
•Co-Counsel for Imperial Oil in its application for the Kearl Oil Sands Project before a Joint Review Panel established by the Alberta Energy and Utilities Board and Canadian Environmental Assessment Agency.
•Acted on trespass and royalty claims arising out of the production of oil and gas on reserve lands (Samson Indian Band et al v Imperial Oil et al).
•Acted as counsel for a financial institution involving an action to trace and recover funds based on allegations of bribery (Alberta Treasury Branches v. Leahy et al).
•Acted as counsel defending a manufacturer of helicopter parts in relation to a products liability claim.
•Acted as counsel in Federal Court to constitutional challenges to customary aboriginal laws (Letendre v Appeal Board of the Horse Lake First Nations; Ashley Paige Horseman v Horse Lake First Nation).
•Acted on injunctive relief and membership issues associated with a First Nation Community (Horseman v Horse Lake First Nation).
•Acted as counsel on a matter as to whether an immigrant who was “overqualified” for a position of employment was discriminated on the basis of national or ethnic origin (Sangha v McKenzie Valley Land and Water Board).
•Acted as counsel for an international air carrier in obtaining Anton Piller relief.
•Acted on issues associated with the specific land claim agreement of a First Nation Community (McAllister v. Horse Lake First Nation).
•Acted on determination of reserve interests under Indian Act (Stoney Band v. Poucette).
Recognized by Benchmark Canada 2014 as a litigation star
Recommended by Best Lawyers in Canada 2013 and 2014 as one of Canada’s leading lawyers in the area of Aboriginal Law
Recommended by The Canadian Legal Lexpert Directory (2010 to 2014) as one of Canada's pre-eminent lawyers in the area of Aboriginal Law
Received the distinction and recognition as Queen's Counsel in 2012
Recipient of the 1996 Canadian Bar Association Young Lawyers Pro Bono Service Award
BV Distinguished Peer Review Rated by Martindale-Hubbell
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July 21, 2014
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July 3, 2014
On June 26, 2014, the Supreme Court of Canada (the “Court”)...
Doing Business in Alberta 2013
November 29, 2013
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Current Obligations in Resource Development
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In the Media
Heather Treacy, Q.C. Named One of Canada’s Top...
November 26, 2014
Davis LLP is proud to announce that Heather Treacy, Q.C., Office...
56 Davis LLP Lawyers Recognized as Best in Canada...
August 25, 2014
Davis LLP has once again featured prominently in Best Lawyers,...
33 Davis Lawyers Recognized in 2014 Canadian Legal...
June 2, 2014
Davis LLP Increases Number of Ranked Lawyers in 2014.Davis...
Davis LLP Litigators Recognized in Benchmark Canada...
February 7, 2014
Davis LLP is pleased to announce that ten of its firm’s...
Calgary Herald Reports Heather Treacy's Appointment...
October 16, 2013
Heather Treacy, Q.C. was recently named the Managing Partner...
Davis LLP Appoints Heather Treacy as New Managing...
October 4, 2013
Davis LLP is pleased to announce that Heather...
Specific Contract Considerations for Working with First Nations...
June 25, 2014
Davis LLP's Heather Treacy, Q.C. and Mike Styczen led a workshop on contract considerations for working with First
The Canadian Institute's Forum on Environmental Law & Regulation...
June 2, 2014
The Canadian Institute’s Forum on Environmental Law & Regulation in Alberta provides practical guidance on
Navigating Your Career
April 17, 2014
Lilith Professional is a formal mentoring organization that provides educational programs and networking opportunities
Aboriginal Issues & Project Development: Assessing the Effect...
November 21, 2013
Heather Treacy, Q.C. - Managing Partner of Davis LLP's Calgary office - will be moderating a panel at the Canadian
Aboriginal Interests in Oil & Gas Development
November 14, 2013
Davis LLP's Heather L. Treacy, Q.C. co-chairs the Aboriginal Interests in Oil & Gas Development conference hosted
Mini LLB for Aboriginal Leadership
March 13, 2013
Davis LLP's Heather Treacy, Q.C. and Robert Banno, Q.C. participated in the Federated Press' Inaugural Mini
Supreme Court Values Leniency for Pleading Defects in...
Litigation & Dispute Resolution Blog
July 3, 2014
On June 26, 2014 the Supreme Court of Canada (SCC) ...