Service

Regulatory, Indigenous and Environmental

We expertly assist clients on matters pertaining to energy, natural resources, and infrastructure.

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.

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

Key Contacts

Co-Chair

Sander Duncanson

Partner, Regulatory, Indigenous and Environmental, Calgary

Co-Chair

Richard J. King

Partner, Regulatory, Indigenous and Environmental, Toronto

Co-Chair

Deirdre A. Sheehan

Partner, Regulatory, Indigenous and Environmental, Calgary

Shawn Denstedt, KC

Chair Emeritus, Calgary

Jennifer Fairfax

Partner, Litigation; Regulatory, Indigenous and Environmental, Toronto


Representative Work


Latest Insights

  • Osler Update Jul 30, 2024

    Grassy Narrows brings the battle over mining claims and the duty to consult to Ontario

    On July 10, 2024, Grassy Narrows First Nation (GNFN) filed a notice of application (the application) in the Superior Court of Justice challenging...

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    Grassy Narrows brings the battle over mining claims and the duty to consult to Ontario
  • Osler Update Jul 18, 2024

    Blueberry River First Nations files claim against B.C. for the Gundy Plan

    On July 8, 2024, Blueberry River First Nations (BRFN) filed a Notice of Civil Claim[1] (the Claim) against the province of British...

    Read more
    Blueberry River First Nations files claim against B.C. for the Gundy Plan
  • Osler Update Jun 27, 2024

    B.C.’s forever litigation: first tobacco, then opioids, now ‘forever chemicals’

    On June 21, 2024, the B.C. government filed a proposed national class action in the Supreme Court of British Columbia against manufacturers of...

    Read more
    B.C.’s forever litigation: first tobacco, then opioids, now ‘forever chemicals’
  • Osler Update Jun 10, 2024

    Energy transition and the opportunity for Canada to be an ‘energy superpower’

    In conversation with: Paula Olexiuk and Vivek Warrier The energy transition in Canada is a complex process involving the shift from traditional...

    Read more
    Energy transition and the opportunity for Canada to be an ‘energy superpower’
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In the Media

  • Osler News Sep 10, 2024

    26 Osler lawyers featured in the Lexpert Special Edition: Energy 2024

    Osler has once again been featured in the Lexpert Special Edition: Energy 2024 with 26 lawyers recognized — an increase from 22 last year. This...

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  • Osler News Mar 12, 2024

    Brad Gilmour joins Osler’s Regulatory, Indigenous and Environmental group as a partner

    Brad specializes in complex regulatory and environmental approvals for some of Canada’s largest and most important projects, advising clients...

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  • Media Mentions Nov 21, 2023

    Stay in your lane: breaking down the Supreme Court of Canada’s Bill C-69 ruling and what it means for Canada – The Brief

    In a recent episode of The Brief podcast, Sean Sutherland, partner in Osler’s National Litigation Group, offers expert commentary and insight into...

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  • Media Mentions Oct 13, 2023

    Two conversations: Ottawa’s Impact Assessment Act (Formerly Bill C-69) and The Pembina Institute – ARC Energy Ideas Podcast

    Sander Duncanson, Co-Chair of Osler’s Regulatory, Indigenous and Environmental practice appeared on the ARC Energy Ideas Podcast for a conversation...

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