
Lawson Lundell LLP's Calgary office handles a range of contentious mandates, among them commercial, securities and corporate litigation, shareholder disputes, class action defence, insolvency litigation and domestic and international commercial arbitration. Practice lead Shannon Hayes specializes in commercial litigation, contractual and business tort disputes and arbitration. Michael Donaldson KC is noted for his experience in energy, commercial and securities litigation; he is particularly well-versed in electricity, and oil and gas and petrochemical-related disputes.
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Key clients
- Pieridae Energy Limited
- TransAlta Corporation
- Savanna Energy Services
- PricewaterhouseCoopers
- Petrolia Canada Corporation
- Remington Development Corporation
- Crescent Point Energy
- JMB Investco
- Factor Gas Liquids and BNV Holdings
- Conocophillips Canada Resources
Lawyers
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head
Shannon Hayes
Other key lawyers
Michael Donaldson KC