Caireen E. Hanert

Caireen E. Hanert is a partner in Gowling WLG's Calgary office. Her practice is focused on both restructuring and insolvency litigation, and commercial litigation.

In her insolvency practice, Caireen advises parties involved in insolvency proceedings, including debtors, creditors, interim lenders, critical suppliers and court-appointed officers in proceedings under the Companies' Creditors Arrangement Act (CCAA) and the Bankruptcy and Insolvency Act.

In her commercial litigation practice, she focuses on complex corporate/commercial matters with an emphasis on energy and construction matters, securities issues, shareholder disputes, oppression actions and derivative claims, commercial fraud matters, and breach of contract matters generally. In particular, Caireen has wide-ranging experience as counsel in energy industry disputes, including CAPL contract matters, gas supply contracts, oil and gas facilities and processing contracts, operator disputes, royalty disputes, accounting disputes and disputes in relation to fiduciary duties. She represents a diverse group of clients, including financial institutions, major and junior resource companies, oil and gas service companies and trusts, first nations, major land holding corporations and developers, and international retailers.

Caireen has extensive trial and appellate experience and has appeared at all levels of court in Alberta and the Northwest Territories. She has also appeared before the Supreme Court of Canada, the British Columbia Supreme Court, the Saskatchewan Court of King's Bench, the Federal Court of Canada and the Federal Court of Appeal.

Prior to joining Gowling WLG, she practised at another national law firm for several years.

In addition to her practice, Caireen serves as Chair of the Western Canada chapter of the International Women's Insolvency and Restructuring Confederation (IWIRC).

Career & Recognition

Filter timeline:
  • 2001

    • Qualifications (Year of Call/Admission, etc.)
      Year of Call, Alberta
  • 2000

    • Education
      University of Calgary, LLB
  • 1992

    • Education
      University of British Columbia, BSc (Physics)


  • Law Society of Alberta
  • American Bar Association
  • The Advocates' Society
  • Turnaround Management Association (TMA)
  • International Women's Insolvency & Restructuring Confederation (IWIRC)
  • Association of Certified Fraud Examiners (ACFE)
  • Canadian Energy Law Foundation (CELF)
  • Commercial Real Estate Women (CREW)



  • August 2021: Indigenous economic interests trigger the Crown's duty to consult, co-authored with Maya Stano and Natalie Gillespie
  • February 2020: The Intersection of Regulatory and Insolvency Law: Redwater's Final Chapter and the Aftermath, Annual Review of Insolvency Law, co-authored with Tom Cumming and Jeff Oliver
  • March 2019: Environmental Liabilities Now Enjoy Super-Priority in Canada, Business and Corporate Litigation Committee Newsletter - Spring 2019, American Bar Association
  • February 2018: Update to AER Directive 067: Further Regulatory Hurdles in Response to Redwater, CAPL Negotiator
  • January 2018: Liens in the Context of Gas Processing Facilities, CAPL Negotiator
  • November 2017: Redwater Energy - Take 3, McMillan LLP Insolvency Bulletin
  • September 2017: The AER Takes On Lexin Resources, CAPL Negotiator
  • April 2017: Appeal Dismissed: Decision of the Alberta Court of Appeal in Re Redwater Confirms Paramountcy of BIA, McMillan LLP Insolvency Bulletin
  • February 2017: Pre-Packs Under the Companies' Creditors Arrangement Act: Has the Push for Efficiency Undermined Fairness?, Annual Review of Insolvency Law, co-authored with Tushara Weerasooriya, Adam Maerov and Kourtney Rylands
  • February 2017: First Nations' Ownership of Energy Infrastructure Through Public-Private Partnerships, Journal of Aboriginal Management, co-authored with Nika Robinson and Jemison Jackson
  • October 2016: Best Practices in Negotiating and Implementing Impact Benefit Agreements, Journal of Aboriginal Management, co-authored with Nika Robinson and Jemison Jackson
  • June 2016: Redwater Appeal Creates Continued Uncertainty for Insolvent Oil and Gas Companies in Alberta, McMillan LLP Insolvency Bulletin
  • May 2016: New Rules for Assets Sales by Insolvent Producers (at least for now), McMillan LLP Insolvency Bulletin


  • Feb. 10, 2021: Speaker, "Reverse Vesting Orders –A New Tool in CCAA Proceedings," Canadian Bar Association – Insolvency Law Section (South)
  • Feb. 3, 2021: Speaker, "Reverse Vesting Orders –A New Tool in CCAA Proceedings," Canadian Bar Association – Creditor Debtor Section (North)
  • Various client presentations on litigation risk management
  • Nov. 14, 2017: Case Law Update - Privacy and Class Actions, McMillan LLP Annual Privacy, Cyber security and Data Protection Seminar, Toronto, ON
  • Nov. 3, 2016: Case Law Update - Privacy and Class Actions, McMillan LLP Annual Privacy, Data Protection and Cyber security Seminar, Toronto, ON
  • June 2012: Recent Judicial Developments of Interest to Energy Lawyers, Presenter, Canadian Energy Law Foundation, 51st Annual Jasper Research Seminar, Jasper, AB

Representative Work

  • Acts for secured creditors in relation to priority disputes
  • Acts as external general counsel to a First Nation
  • Advises on the duty to consult in the aboriginal context
  • Acts for private corporations in relation to proceedings brought under the Business Corporations Act, including oppression, derivative actions, valuation proceedings and investigations
  • Acts for a multinational provider of environmental, energy and industrial services
  • Acts for professional consulting firms in relation to a broad range of matters, including alleged negligence and breach of contract litigation
  • Acts for a multinational industrial services company in relation to product liability claims