Skip To Content
Melanie Gaston

Melanie Gaston

Partner, Litigation

Contact Information

tel: 403.260.7050



Bar Admission

Alberta, 2002

  • Osgoode, LLM (Civil Litigation)
  • University of Calgary, LL.B.
  • University of Dar Es Salaam, Tanzania (International Law School Exchange).
  • Queens University, B.A.H. (English Literature).

Melanie’s practice focuses on complex commercial litigation, with a particular emphasis on construction, energy and securities disputes and bankruptcy and insolvency matters. She also advises clients on matters involving insurance law, class actions, product liability and commercial landlord disputes.

Acting on behalf of owners, contractors and subcontractors, Melanie regularly advises on commercial construction matters as well as energy, infrastructure, and pipeline construction disputes. She appears before all levels of court in Alberta and several administrative tribunals, and provides advice and conducts trials, mediations and arbitrations on various matters, including contractual disputes and joint venture operations. Melanie also has considerable experience in bankruptcy and insolvency law. She has acted on behalf of both debtors and creditors in various restructuring and liquidation proceedings, including bankruptcy, CCAA, and receiverships. Melanie has advised parties regarding insolvency on commodity trading contracts and joint venture assets and operations in the energy industry. Her experience also includes representing clients in respect of asset purchases from insolvent parties, claims procedures for unsecured creditors, and advice on continuing relationships between a debtor and its creditors within and after restructuring occurs.

She has worked with clients regarding various regulatory matters, including development board appeals and environmental/contaminated site issues.

Having extensive experience in the securities area, Melanie is seasoned in oppression cases, routinely advising on disputes over shareholders’ rights and holders of debt instruments.

In addition, Melanie advises clients in subrogation actions, coverage issues and liability defence matters in the insurance area, most frequently coverage disputes and insurance issues arising in energy projects. She also assists in dispute resolution regarding commercial leasing, subleasing and landlord collections, providing advice to commercial landlords and property managers regarding tenancy issues.

    • Acted in various disputes, litigated and arbitrated, involving construction of energy infrastructure and claims for delay and cost overruns, both in lump sum and “cost plus” contractual scenarios.
    • Advised creditors and others in Alberta with interests affected by the Spyglass, COGI and Mosaic receiverships.
    • Advised affected parties in respect of Sanjel and Laricina CCAA proceedings.
    • Pursued a complicated multi-party recovery action arising from a gas plant explosion on behalf of both the underwriter and a large oil and gas company.
    • Represented an owner/builder in submissions before a regional Development Appeal Board regarding an application to establish a project work camp.
    • Acted on an international commercial arbitration involving both construction and insurance issues in the oil sands.
    • Successfully defended brokerage firms and investment advisors facing negligence claims.
    • Acted in various construction defects actions involving aspects of building design and construction and construction product liability.
    • Represented two separate clients facing historical contaminated sites arising from underground tank leakage.
    • Acted in a trial involving the valuation and termination of derivative swap transactions.
    • Acted in a commercial arbitration involving joint venture interests and operator duties in the Alberta gas field.
    • Advised clients in the electricity industry in respect of investigations and other activities of the Alberta Market Surveillance Administrator.
    • Advised a variety of commercial clients in numerous contractual disputes.
      Involved as part of the Enron Canada Corp. advising team through its insolvency and subsequent litigation.

  • Benchmark Litigation Canada, 2017-2018, recognized as a "Litigation Star" in the areas of Construction, Energy and Natural Resources, General Commercial, Insolvency, Oil & Gas and Securities. 
  • The Best Lawyers in Canada, 2017-2018, recognized in the area of Corporate and Commercial Litigation.
  • Benchmark Litigation 2014: Future Star – Alberta.
  • Women in Law Leadership Award 2012: Named “Tomorrow’s Leader”.
  • Calgary Inc. 2006: Named “Top 40 under 40”.

  • Association of Women Lawyers, Board of Directors
  • Calgary Boys and Girls Clubs, Board of Directors
  • Calgary Rotary Clubs Foundation, Board of Directors
  • Canadian Centre for Professional Legal Education, Instructor, Oral Advocacy Course
  • Calgary Rotary Club, Member

  • Alberta Law Society
  • Canadian Bar Association
  • Calgary Bar Association
  • Association of Women’s Lawyers
  • Advocate’s Society

  • Defining Industry-Specific Contractual Terms: Supreme Court of Canada Revisits Principles of Contractual Interpretation, Osler Update, February 2017.
  • The Effects of Various Insolvency Proceedings on Joint Venture Interests in the Canadian Energy Industry, The Annual Review of Insolvency Law 2017.
  • Alberta’s energy regulator imposes further restrictions on embattled energy industry in response to Redwater, Osler Update, June 23, 2016.
  • Implications of the Redwater decision – Where does the buck stop?, Osler Update, May 19, 2016.
  • How to Unilaterally Terminate Contracts Without Termination Provisions, The Annual Review of Civil Litigation 2016.
  • Author: Is it Unethical to Not Understand E-Discovery, Professional Liability and Discipline Litigation Volume XVI, No. 2p 981-984.
  • Presenter: Document Management in Complex Litigation, Legal Education Society of Alberta, Calgary and Edmonton, 2015.