Shannon K. Hayes, KC,

Shannon Hayes practices commercial litigation and arbitration and is the Leader of the Litigation & Dispute Resolution Group in Calgary. She has been practicing for more than 20 years in dispute resolution and has a broad range of experience on commercial dispute matters. Shannon has appeared before all levels of court in Alberta and acted in many private arbitrations.

Clients regularly request Shannon to act on complex contractual and business tort disputes. Shannon is known for creative and think outside-the-box solutions to achieve her client’s goals in the most practical way. 

Shannon is recognised by Chambers, Best Lawyers in Canada, Benchmark Litigation, Legal 500, Lexology, and as a Thomson Reuters “Stand-out Lawyer”.

• Law Society of Alberta, Member
• Canadian Bar Association, Member
• Calgary Bar Association, Member
• Litigation Counsel of America, Fellow

• Lexology: Client Choice Award Winner, Commercial Litigation - Canada, 2025
• Chambers Canada: Litigation: General Commercial - Alberta (Band 5), 2025
• Best Lawyers in Canada: Alternative Dispute Resolution and Commercial Litigation, 2021-2025
• Benchmark Litigation: Canada’s Top 100 Women in Litigation, 2022-2024
• Benchmark Canada - The Guide to Canada’s Leading Litigation Firms and Attorneys:
  • Litigation Star, 2020-2024
  • Future Star, 2019
• Thomson Reuters: Stand-Out Lawyer, 2022-2024
• The Legal 500 Canada:
  • Dispute Resolution - Alberta (Next Generation Partner), 2022-2025
  • Dispute Resolution (Extremely Strong Younger Partner), 2018
• Acritas Stars: 2019-2021
• Lexpert Special Edition: Leading US/Canada Cross-Border Litigation Lawyers, 2015
• Lexpert Rising Star Award: Canada's Leading Lawyers Under 40, 2014

Shannon has experience in the following areas:

Commercial and General Litigation

• Broad litigation experience in commercial tort and contract claims

Energy Litigation

• Involvement in a wide variety of energy matters, including disputes on the duties of operators, accounting principles and industry contract interpretation
• Regular advisor on power and utility disputes and regulatory matters

Commercial Arbitration

• Counsel in arbitrations under Alberta's legislated Power Purchase Arrangements and in related court proceedings
• Acted for clients in numerous domestic arbitrations of various commercial issues under the Alberta Arbitration Act
• Experience in international commercial arbitrations

Electronic Documents and Data Management

• Regular advisor on records management, litigation preparedness, electronic discovery and evidence matters