Jeff Langlois

Partner

He/Him/His
  • jlanglois@jfklaw.ca
  • P 604-687-0549 (Ext. 114)
  • C 604-992-1680
  • 260 - 200 Granville Street Vancouver, BC V6C 1S4

Jeff Langlois practices civil litigation and Aboriginal law in JFK’s Vancouver office, focusing on constitutional litigation, Crown consultation and environmental law.

 

In his Aboriginal law practice, Jeff strives to support his clients’ efforts to protect and advance their Aboriginal and Treaty rights and expand First Nations’ self-determination over their lands and waters. Jeff advances his clients’ interests in a broad range of contexts, including through the courts, consultations with the Crown and negotiation with industry including, in regard to regulatory decisions, land use and strategic planning, oil and gas, mining, hydroelectric development and the implementation of land claims agreements.

Jeff has acted for First Nations, modern Treaty groups and other Indigenous organizations throughout Canada, with a particular emphasis on British Columbia, Alberta and Northern Canada. He has appeared before all levels of court in British Columbia and Yukon, as well as the Alberta Court of Queen’s Bench, the Ontario Court of Appeal, the Federal Court and the Supreme Court of Canada.

Jeff also acts for non-Indigenous clients in civil litigation matters, with a focus on public, administrative and property law matters. Prior to joining JFK Law, Jeff practiced at a national law firm in Vancouver where he represented clients in a broad range of issues, including commercial and public litigation, insolvency and administrative law.

Practice Focus:

  • Civil litigation
  • Consultation and accommodation
  • Aboriginal and Treaty Rights
  • Regulatory hearings regarding resource development
  • Modern Treaty interpretation and implementation
  • Environmental assessments

Qualifications:

  • Called to the Yukon Bar, June 2018
  • Called to the Alberta Bar
  • Called to the British Columbia Bar
  • University of British Columbia, LL.B.
  • University of Calgary, B.A.

Jeff Langlois provides legal services through Jeff Langlois Law Corporation.

 2026 LEXPERT-ranked Lawyer

 

Highlights

  • Counsel for the Gwich’in Tribal Council, a northern land claims organization, which intervened at the Supreme Court of Canada regarding the implementation of land use planning provisions in a modern Treaty.

  • Counsel for Indigenous groups engaged in ongoing federal Recognition of Indigenous Rights and Self-Determination negotiations.

  • Counsel for Alberta First Nation asserting an unjustified infringement of Treaty 6 rights resulting from the cumulative effects of resource development in its traditional territory.

  • Counsel for a coalition of Alberta First Nations participating in the environmental assessment of a proposed hydroelectric dam on the Peace River and associated judicial review proceedings.

Publications

Nations of the North Peace Challenge Alberta’s Land Sales Over Failure to Consult and Protect Treaty 8 Lands

The Nations of the North Peace – Beaver First Nation, Dene Tha’ First Nation, […]

Siksika and Kainai Challenge Alberta’s Recission of Coal Mining Moratorium in the Eastern Slopes

On July 2, 2025, Siksika Nation (“Siksika”) and Kainai Nation (Blood Tribe) (“Kainai”) (collectively, […]

Treaty implementation takes place in the routine decisions of government officials

The Federal Court sides with Nunavut Inuit and upholds the Nunavut Agreement in overturning […]

Supreme Court Rules on Ability of Regulatory Processes to Fulfill Duty to Consult

The Supreme Court of Canada just released two important decisions respecting the Crown’s duty […]

Expert Panel Recommends Changes to Federal Environmental Assessment Processes

This morning, the Expert Panel appointed by the Minister of Environment and Climate Change […]

Trudeau’s directions to Cabinet Ministers may spell “No” to the Northern Gateway Pipeline Project

In June 2014, Justin Trudeau stated that, if made Prime Minister, he would not […]

Yukon Court of Appeal kills Yukon’s Peel Watershed plan, but parties sent back to the drawing board

On November 4, 2015, the Yukon Court of Appeal released its decision about Yukon’s […]

Peel Watershed Appeal Decision Issued

The Yukon Court of Appeal has issued its decision in the Peel Watershed litigation. […]

Yukon court overturns government land use plan for the Peel Watershed

  On December 2, 2014 the Yukon Supreme Court released its decision quashing a […]