Josh Jantzi

Partner

Josh takes the time to understand the client's needs and objectives.

— client feedback, Chambers Canada

Emailjosh.jantzi@ca.dlapiper.com

About

Josh Jantzi is a partner in DLA Piper's Calgary, Vancouver, and Toronto offices and co-chairs the firm's Canadian Regulatory and Environmental Law group. He maintains a leading litigation and administrative law practice focused on environmental, energy regulatory, natural resource, Indigenous, transportation, municipal, and constitutional matters. Chambers, Lexpert, The Legal 500 Canada, and The Best Lawyers in Canada consistently recognize him for excellence in these areas.

Josh has represented energy and mining clients in precedent-setting regulatory and environmental assessment matters, including Chippewas of the Thames First Nation v. Enbridge Pipelines Inc., 2017 SCC 41 before the Supreme Court of Canada.

Josh is called to the bars of Ontario, Alberta, and British Columbia, and practices regularly across federal and provincial jurisdictions. Josh has appeared before the Supreme Court of Canada, the superior courts of Alberta, British Columbia, and Ontario, the Federal Court and Federal Court of Appeal, and the Tax Court of Canada. He regularly advocates before a host of regulatory and administrative bodies, including energy regulators, utilities commissions, environmental protection tribunals and appeal boards, land tribunals and commissions, natural resource boards, governmental ministries, and municipal boards.

Josh's environmental practice includes acting in investigations, impact assessments, land and water use, contaminated sites and brownfield redevelopment, waste management, spill response, carbon pricing and emissions credits, chemical regulation, licensing and permitting, product stewardship, and protection of species and cultural heritage. He also handles transportation of dangerous goods, environmental risks in corporate transactions, enforcement proceedings, regulatory representation, administrative appeals, and related civil litigation.

Josh's regulatory practice includes development, review and assessment of energy and natural resource projects including pipelines, upstream petroleum and natural gas (PNG) production, liquefied natural gas (LNG) facilities, biogas and renewable natural gas (RNG) facilities, hydro power plants, fracking operations and gas plants, wind farms, solar farms, marine terminals and shipping, water diversion works, open pit mines, forest product facilities, and waste management facilities.

Josh's Indigenous law practice focuses on challenges to government decisions based on the Crown's duty to consult and accommodate in relation to asserted and established Aboriginal and Treaty rights and title. He also acts in matters of: treaty implementation and modern land claim agreements; economic development and corporate structuring for Indigenous-owned entities; consultation protocols, and impact and benefit agreements; Indigenous governance and the application of customary laws; Crown fiduciary duty and treaty obligations; reserve land management and development; negotiation of self-government agreements and implementation of Indigenous legal orders; and cultural heritage and repatriation issues, including sacred sites, burial grounds, and Indigenous property.

Josh's municipal law practice includes advising on land use planning, development permitting, property assessment and taxation, licensing, expropriation, and bylaws and other subordinate legislation. He represents clients before municipal councils, boards, and the courts. His work also covers municipal liability, intergovernmental disputes, procurement, water rights, budgeting, privacy compliance, environmental regulation, heritage conservation, and governance matters such as elections and conflict of interest. Josh provides strategic legal counsel to municipalities, developers, and stakeholders navigating the complex intersection of local governance, administrative law, and land development.

Josh's civil litigation and arbitration practice includes contract, tort and IP disputes spanning the energy, construction, aviation, telecommunications, infrastructure and public-private partnerships (PPP) industry sectors. He maintains a significant practice litigating matters before the Federal Courts.

Josh has taught full-credit Indigenous Law courses at the University of Calgary Faculty of Law and serves as a guest instructor in the law school's North American Energy Law, Transportation Law, Environmental Law, and Negotiation courses. He is an officer of the Canadian Bar Association's (CBA) National Environmental, Energy and Resources Law Section (Past Chair), and sits on the executive committees of the National Aboriginal Law and Administrative Law Sections. In Alberta, he serves as Treasurer of the CBA Administrative Law Section and Case Review Officer for the Aboriginal Law Section. Josh also represents the practicing bar on the Federal Courts' Aboriginal Law Bar Liaison Committee.

Areas of FocusEnergy and Natural Resources Infrastructure, Construction and Transport Litigation, Arbitration and Investigations Mining and Mineral Resources Environment, Health and Safety

Bar admissionsAlberta, 2006British Columbia, 2022Ontario, 2006

EXPERIENCE

Notable Cases

Chippewas of the Thames First Nation v. Enbridge Pipelines Inc., 2017 SCC 41
Reference re Impact Assessment Act (Canada), 2025 ABCA 292
Reference re Impact Assessment Act (Canada), 2025 ABCA 257
Trigon Pacific Terminals Limited v. Prince Rupert Port Authority, 2025 BCCA 155
Calgary (City) v. Group Touchette Real Estate Inc., 2024 ABKB 65
Trigon Pacific Terminals Ltd. v. Prince Rupert Port Authority, 2025 BCSC 1687
Trigon Pacific Terminals Ltd. v. Prince Rupert Port Authority, 2025 BCSC 1260
Ridley Island Energy Export Facility Limited Partnership v. Trigon Pacific Terminals Limited, 2024 BCCA 398
Yukon (Government of) v. YESAB, 2025 YKSC 14
British Columbia Used Oil Management Association v. Director, Environmental Management Act, 2025 BCEAB 37
Trigon Pacific Terminals Limited v. Prince Rupert Port Authority, 2024 BCSC 1298
Trigon Pacific Terminals Limited v. Prince Rupert Port Authority, 2024 BCSC 539
Yukon (Government of) v. Yukon Environmental and Socio-economic Assessment Board, 2024 YKSC 42
Tŝilhqot'in National Government v. Director, Environmental Management Act, 2023 BCEAB 37
R. v. Groupe Touchette Real Estate Inc. et al., ABCJ No. 230135758P1, judgment under Charter, s. 24(1) (June 2, 2023), aff'd by ABKB No. 230135758S1 on summary conviction appeal (October 20, 2023), leave to appeal ref'd by ABCA No. 2301-0253A
In the Matter of an Appeal under the Safety Codes Act (Alberta), Safety Codes Council, Order No. 2023-03
Clemina Hydro Power Limited Partnership v. British Columbia Hydro and Power Authority, 2022 BCSC 25
R. v. University of British Columbia, 2021 BCCA 188
Visions Electronics Limited Partnership (Visions Electronics) v. Canada (Attorney General), 2021 FC 478
Cherokee Canada Inc. v. Alberta, 2021 ABQB 848
Signal Hill Manufacturing Inc. v. Canada Revenue Agency, 2021 ABQB 460
R. v. University of British Columbia, 2020 BCSC 1126
Visions Electronics Limited Partnership (Visions Electronics) v. Canada (Attorney General), 2021 FC 478
Cherokee Canada Inc. et al. v. Director, Regional Compliance, Red Deer-North Saskatchewan Region, Operations Division, Alberta Environment and Parks (March 10, 2020), Appeal Nos. 16055-056, 17-073-084, and 18-005-010-CD (A.E.A.B.), 2020 ABEAB 10
Cherokee Canada Inc. et al. v. Director, Red Deer-North Saskatchewan Region, Alberta Environment and Parks (February 10, 2020), Appeal Nos. 16-055-056, 17-073-084, and 18-005-010-ID3 (A.E.A.B.), 2020 ABEAB 7
GFL Environmental Inc. v. Wheatland County, 2019 ABQB 976
Whalen v. Fort McMurray No. 468 First Nation, 2019 FC 732
Whalen v. Fort McMurray No. 468 First Nation, 2019 FC 1119
Cherokee Canada Inc. et al. v. Director, Regional Compliance, Red Deer-North Saskatchewan Region, Operations Division, Alberta Environment and Parks (February 26, 2019), Appeal Nos. 16-055-056, 17-073-084, and 18-005-010-R (A.E.A.B.), 2019 AEAB 1
Cherokee Canada Inc. and 1510837 Alberta Ltd. v. Director, Red Deer-North Saskatchewan Region, Alberta Environment and Parks (December 21, 2018), Appeal Nos. 16-028, 029, 034 and 035-ID1 (A.E.A.B.), 2018 AEAB 22
Cherokee Canada Inc. et al. v. Director, Red Deer-North Saskatchewan Region, Alberta Environment and Parks (August 2, 2018), Appeal Nos. 16-055-056, 17-073-084 and 18-005-010-ID2 (A.E.A.B.), 2018 AEAB 7
Cherokee Canada Inc. et al. v. Director, Red Deer-North Saskatchewan Region, Alberta Environment and Parks (May 4, 2018), Appeal Nos. 16-052-056-ID1 (A.E.A.B.), 2018 AEAB 4
Athabasca Minerals Inc. v. Syncrude Canada Ltd., 2017 ABQB 47
Rytec Corporation v. Emergency Door Service Inc. et al., 2017 FC 34
Syncrude Canada Ltd. v. Canada (Attorney General), 2016 FCA 160
Coastal First Nations v. British Columbia (Environment), 2016 BCSC 34
Chippewas of the Thames First Nation v. Enbridge Pipelines Inc., 2015 FCA 222, [2016] 3 FCR 96
Syncrude Canada Ltd. v. Canada (Attorney General), 2015 FCA 38
Forest Ethics Advocacy Association v. Canada (National Energy Board), 2014 FCA 245, [2015] 4 FCR 75
Forest Ethics Advocacy Association v. National Energy Board, 2014 FCA 88
Leroux v. Canada Revenue Agency, 2014 BCCA 355, [2014] G.S.T.C. 118
Syncrude Canada Ltd. v. Canada (Attorney General), 2014 FC 776
Alberta Electric System Operator, Re, 2014 CarswellAlta 648, AUC Decision 2014-110
Forest Ethics Advocacy Association v. Canada (National Energy Board), 2013 FCA 236
Gitxaala Nation v. The Minister of Transport et al., 2012 FC 1336, 421 FTR 169
Stoney Tribal Council v. Imperial Oil Resources Limited, 2012 ABQB 557, 547 AR 369
Stoney First Nation v. Shotclose, 2011 FCA 232, 422 NR 191
Shotclose v. Stoney First Nation, 2011 FC 1051, 396 FTR 27
Shotclose v. Stoney First Nation, 2011 FC 750, 392 FTR 115
Woodworth v. The Queen, 2010 TCC 220
Alliance Pipeline Ltd. v. Smith, 2009 FCA 110 rev'd 2011 SCC 7, [2011] 1 SCR 160
Horseman v. Horse Lake First Nation, 2009 FC 368
Stoney Tribal Council v. Petro-Canada, 2009 ABQB 430, 478 AR 198