Osler’s Regulatory, Indigenous and Environmental Group possesses extensive knowledge and decades of accumulated experience advising clients on a broad range of issues. Relying on their own individual skills and drawing on each other’s expertise and experience, the team’s lawyers provide clients with thorough, comprehensive and seamless assistance.

Indigenous Law Blog
Osler’s Indigenous Law Blog features insights and commentary on significant legal issues and developments related to Indigenous law in Canada.
Working as an integrated group across the country, Osler’s Regulatory, Indigenous and Environmental lawyers advise clients on their energy, natural resource and infrastructure matters including:
- Mining
- Pipelines
- Electricity generation and transmission
- Renewables Hydrogen facilities
- CCUS infrastructure
- Offshore drilling
- Conventional oil and gas operations
- Liquefied natural gas
- Oil Sands
- Gas gathering and storage facilities
- Refineries and upgraders
- Agri-food facilities
- Forestry
- Contaminated sites
- Nuclear
- Chemical Plants
- Rail, transportation and port facilities
As environmental issues continue to be at the forefront of public and political discussion, there are increasing regulatory, civil and reputational risks and liabilities relating to projects, facilities and operations, as well as potential penalties for environmental offences in Canada. Governments at both the Federal and Provincial levels have increased their focus on environmental enforcement and are seeking stiff penalties for individuals and corporations that allegedly break environmental laws. Should you need assistance in this area the group can also help with:
- Environmental litigation and dispute resolution
- Responding to environmental incidents, regulatory inspections and investigations
- Conducting internal investigations into potential environmental non-compliances
- Environmental enforcement and defence of prosecutions
Areas of Focus
Key Contacts
Co-Chair
Calgary Managing Partner, Calgary
Co-Chair
Partner, Regulatory, Indigenous and Environmental, Toronto
Co-Chair
Partner, Regulatory, Indigenous and Environmental, Calgary
Chair Emeritus, Calgary
Partner, Litigation; Regulatory, Indigenous and Environmental, Toronto
Latest Insights
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Blog January 6, 2026
Sealing the sacred: court protects Indigenous cultural information
The Supreme Court of B.C. recognized the importance of protecting sensitive Indigenous cultural information while facilitating access to justice.
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Blog December 17, 2025
UNDRIP in B.C. law: Court of Appeal confirms immediate effect and targets mineral claim regime
B.C. has been instructed by the courts to resolve the inconsistencies between the province’s mineral claims regime and UNDRIP rights and standards.
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Osler Update December 5, 2025
Canada and Alberta sign MOU that rolls back risk in Canadian energy and commits to broad new energy accord
The agreement marks a significant step to reducing regulatory and political risks around major energy infrastructure projects in the country.
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Report December 4, 2025
Reconciling Aboriginal title and private property rights on unceded land
In the intersection between Aboriginal title and private property rights, the courts are addressing questions about land ownership on unceded...
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In the Media
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Osler News September 2, 2025
Maureen Killoran, KC, named one of the Top 25 Most Influential Lawyers in Canada for 2025
Félicitations à Maureen Killoran, c.r., pour sa nomination au palmarès 2025 des 25 avocats les plus influents de Canadian Lawyer.
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Osler News August 6, 2025
Osler lawyers recognized in Lexpert Special Edition: Energy 2025
This prestigious publication highlights Canada’s leading lawyers in energy-related practices.
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Osler News June 25, 2025
Legislation to promote major project investment in Canada
Projects that have been identified by the federal government to be of national interest now have some certainty of being approved.
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Osler News June 25, 2025
Cultural change, relationship-building key to major project investment in Canada
Achieving successful major project investment in Canada will depend on shifting the approach of regulators and building stronger partnerships with...
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