Dispute resolution: Alberta in Canada

Bennett Jones LLP

The Alberta group at Bennett Jones LLP demonstrates strength in commercial litigation involving the mining, oil and gas, construction and tech sectors, and has experience representing individuals and multinational companies in all levels of the Canadian courts. In addition, the team’s corporate litigation expertise covers shareholder disputes, post-M&A litigation, securities litigation and breach of contract. Christine Plante heads up the department; additional key partners include Blair Yorke-Slader KC, whose workload includes contract, shareholder, securities and trust disputes; and Munaf Mohamed KC, who specializes in financial crimes matters and also has broad arbitration experience. Michael Mysak‘s work has an emphasis on fraud litigation, securities litigation and shareholder disputes; Laura Gill is active on energy and corporate disputes, including indemnity claims and joint ventures.

Responsables de la pratique:

Christine Plante

Principaux clients

Tahakom Investments Company et al.

Canadian Pacific Railway

NEP Canada ULC

801 Seventh

Wood Group Canada

Questor Technology

Molopo Energy Canada

Fournier et al.


Shareholders of JAM Hospitality

Home Solutions

Third Eye Capital and Tara Holdings

The Hydro Company

Ovintiv Canada ULC and Cenovus Energy

Principaux dossiers

  • Represented a group of Saudi Arabian companies in advancing a fraud claim against a high-ranking former cabinet minister of the Saudi government.
  • Represented Canadian Pacific Railway in a claim by a developer, Remington Development Corporation, against CP and the Province of Alberta.
  • Represented NEP Canada ULC in significant litigation involving post-M&A matters.

Blake, Cassels & Graydon LLP

Blake, Cassels & Graydon LLP houses a sizeable practice in Alberta which regularly represents clients before tribunals and government agencies relating to oil and gas, construction, infrastructure, banking, construction and power disputes. Arbitration, as well as corporate and employment litigation, constitute additional strengths. The practice of Renee Reichelt, who co-heads the 40-strong team, spans corporate and commercial litigation, class actions and shareholder disputes. Leading alongside her, Michael Dixon represents a range of Canadian and multinational corporate clients in contentious matters. Securities, environmental, insurance and property matters make up the core of partner David Tupper‘s practice. Brendan MacArthur-Stevens was promoted to partner in January 2023.

Responsables de la pratique:

Renee Reichelt; Michael Dixon

Autres avocats clés:

David Tupper

Principaux clients

Pembina Pipeline Corporation

Strathcona Resources

The City of Edmonton

Shell Canada

Imperial Oil

TC Energy


Canadian Pacific Railway

Suncor Energy

Principaux dossiers

  • Counsel to Shell in respect of the Alberta Department of Energy disallowing contested audit adjustments from 2009 to 2016.
  • Acted for Pembina Pipeline Corporation before the Alberta Securities Commission in a matter that involved a C$8.3bn proposed hostile take-over launched by Brookfield of IPL.
  • Represented Air Liquide in a lawsuit brought by Canadian Natural Resources Limited related to construction in the oil sands.

JSS Barristers

Calgary-based litigation boutique JSS Barristers handles a range of disputes including employment, defamation, corporate, personal injury, professional negligence and IP-related matters. Glenn Solomon KC steers the practice and focuses on business litigation and corporate, commercial and contract disputes. Alongside fellow co-founding partner and seasoned litigator Sabri Shawa KCCarsten Jensen KC majors on commercial class actions, oil & gas disputes, shareholder disputes, multi-party litigation and arbitrations; class action group co-chair Kajal Ervin is an additional key contact. The name to note at associate level is that of Cassandra Sutter, who has experience handling class actions, corporate and commercial litigation, professional negligence matters and real property and real estate litigation.

Responsables de la pratique:

Glenn Solomon KC

Autres avocats clés:

Cassandra Sutter

Principaux clients


Her Majesty in Right of Alberta


Durum Opportunities

Metalmark Group of Companies

Canadian Coalition for Firearm Rights

Roland Auer

Inter Pipeline

801 Seventh

Brown-Forman Corporation

Azimuth Energy Partners and Quantico Capital


420 Investments

TotalEnergies EP Canada

Norton Rose Fulbright

Norton Rose Fulbright‘s broad Alberta offering includes litigation involving the oil and gas, renewables, manufacturing, insurance and construction segments. Disputes involving contracts, joint ventures, construction projects, securities and professional liability are additional strengths. Ray Chartier steers the practice and shines above all in complex commercial litigation for infrastructure and energy clients. The practice boasts a group of star litigators, including the ‘responsive and timely’ Steve Leitl KC, senior partner Clarke Hunter KC and Roger Smith KC, who majors on oil and gas and corporate securities litigation. Lara Mason handles class action defence and has substantial expertise in Aboriginal law and electricity regulation matters; Kaitlin Long is routinely engaged in energy, regulatory and Indigenous-related disputes. Gunnar Benediktsson‘s practice has a focus on commercial disputes and complex insolvency, liquidation and restructuring matters.

Responsables de la pratique:

Ray Chartier

Les références

‘The lawyers at Norton Rose are fun and easygoing. They have a culture of inclusion and genuinely enjoy working together in teams.’

‘Steve Leitl is an excellent client manager. He is responsive and timely, and cares about his clients – both as individuals, and about their business.’

‘Gunnar Benediktsson has an uncanny ability to take very complex concepts and explain them in very simple terms. His advocacy approach is easy to understand and well-liked by the courts.’

Principaux clients

Merit Energy Company LLC

NOVA Chemicals

Imperial Oil Resources and ExxonMobil Canada

Crescent Point Energy

Chance Oil and Gas

Department of Justice Canada

Susan Riddell Rose

Shell Canada

Syncrude Canada

Principaux dossiers

  • Defended Shell Canada in a class action that is alleging price-fixing in the wholesale gasoline market in British Columbia between 2015 and the present.
  • Advised the Government of Canada in several multi-billion dollar claims related to oil and gas development and production from First Nations’ lands in Alberta.
  • Advised Chance Oil and Gas in litigation against the Yukon Government regarding a moratorium on hydraulic fracturing that was implemented in 2015.

Borden Ladner Gervais LLP

Borden Ladner Gervais LLP‘s Calgary office excels at litigation involving pipelines, construction, electricity, insolvency and securities-related matters. The group also has experience handling arbitration, insolvency disputes, and shareholder and contractual disputes. A recent work highlight saw the group successfully represent Signalta Resources in a claim against Canadian Natural Resources, a notable energy dispute. Patricia Morrison KC steers the practice and is routinely involved in the mediation, arbitration and litigation of construction disputes on large-scale commercial, industrial and infrastructure projects. Key contact Randall Block KC is highly specialized in energy and oil and gas litigation. In addition to oil and gas disputes, Loni da Costa brings expertise to securities defence and regulatory investigations.

Responsables de la pratique:

Patricia Morrison K.C

Autres avocats clés:

Randall Block KC; Loni da Costa

Principaux clients

NOVA Chemicals Corporation

Signalta Resources

PrairieSky Royalty

Richardson Wealth


ConocoPhillips-Canada Resources

Alberta Health Services

Emission Rx

EPCOR Water Services

Barrel Oil

WSP Canada

Burnet Duckworth & Palmer LLP

Calgary-based firm Burnet Duckworth & Palmer LLP is well-equipped to represent clients in disputes involving the oil and gas, renewables, construction and agribusiness segments. Practice co-head Susan Fader is experienced in contract and tort-based disputes, including the representation of clients in partnership and shareholder disputes and matters involving business valuations. Alongside her, Andrew Sunter‘s litigation expertise encompasses contractual disputes, negligence claims and intentional torts. Commercial litigation specialist Jeffrey Sharpe is an additional key figure; he focuses on contentious construction and oil and gas matters. Joanne Luu is active on arbitration matters, and is noted for acting as both counsel and arbitrator in oil and gas disputes. Also of note is associate Kylan Kidd.

Responsables de la pratique:

Susan Fader; Andrew Sunter

Autres avocats clés:

Jeffrey Sharpe; Joanne Luu; Kylan Kidd

Principaux clients

DIRTT Environmental Solutions


Deans Knight Income Corporation

Christa Steele and Mindy Smith

CNOOC Petroleum North America ULC

Perpetual Energy

Canadian Energy Centre


MasTec Canada

Peace River Hydro Partners

Robert and Laurene Yurkovich

NE2 Canada

Canadian Natural Resources

Hammerhead Resources

Principaux dossiers

  • Counsel to CNOOC Petroleum North America ULC as plaintiff in a lease dispute concerning the discovery of asbestos in fireproofing in the air distribution system of a commercial office tower leased by the plaintiff.
  • Counsel to the plaintiffs, Christa Steele and Mindy Smith, in a class action being brought on behalf of female firefighters and employees of the City of Leduc against the City who have been subject to 20 years of discrimination, sexual misconduct and sexual harassment.
  • Represented DIRTT Environmental Solution in an action before the Court of Queen’s Bench of Alberta where several departed employees allegedly conspired to misappropriate its confidential and proprietary information.

McCarthy Tétrault

The 29-strong Calgary group at McCarthy Tétrault handles insolvency, securities, construction, IP, oil and gas and insurance disputes. Practice head Douglas Yoshida has focused his practice on corporate-commercial litigation in the oil and gas and energy segments, including oil sands facility failures and joint venture disputes involving international companies. Key partner Sean Smyth KC is noted for his expertise in commercial contracts work, class action, shareholders' rights and directors' liability claims, while Kara Smyth is specialized in oil and gas, real estate, product liability, agro-science and technology-related disputes. Bryan West routinely represents corporations and partnerships in disputes relating to major construction and redevelopment projects.

Responsables de la pratique:

Douglas Yoshida

Autres avocats clés:

Sean Smyth KC; Kara Smyth; Bryan West

Principaux clients




Alberta Electric System Operator

VINCI Infrastructure Canada

QuadReal and bcIMC Realty

Goldenkey Oil

Wood Canada

Aurora Cannabis

Lafarge Canada

MEG Energy


Cenovus Energy

Osler, Hoskin & Harcourt LLP

The lawyers of Osler, Hoskin & Harcourt LLP‘s Calgary branch regularly appear before all levels of Alberta courts, representing clients in disputes involving constitutional and public law, and the energy, natural resources, construction and logistics segments. Key department figures include national co-chair Maureen Killoran KC, who routinely handles litigation relating to the natural resources sector; and Toronto-based Sonia Bjorkquist, who is well-versed in defending companies in class actions. Tristram Mallett frequently supports clients on contested merger transactions and shareholder derivative claims. Melanie Gaston left the firm in June 2023 following her appointment as a judge of the Court of King’s Bench of Alberta.

Responsables de la pratique:

Maureen Killoran KC; Sonia Bjorkquist

Autres avocats clés:

Tristram Mallett

Principaux clients

Anadarko Petroleum

Canadian Natural Resources

Chemtrade Logistics

Coalspur Mines Operations

ConocoPhillips Canada Resources

Equinor Canada

Inter Pipeline

Kingston Midstream

NOVA Chemicals

Pembina Pipeline

Prosper Petroleum

TC Energy


Trans Mountain Pipeline ULC

Williams Group


Operating from branches in Calgary and Edmonton, the group at Dentons has experience advising on a wide range of commercial litigation matters in Alberta. Its key strengths include energy, competition and financial services litigation, product and professional liability litigation, and domestic and international arbitration. Leadership of the department is shared by four seasoned partners: Mercedes Hitesman and Wendy Moody direct the Edmonton office, while Kelly Osaka and John Cusano lead from Calgary. National practice head Rachel Howie is also based in Calgary, along with key litigator Gordon Tarnowsky, who is highly specialized in energy and oil and gas matters. Other key names include Dennis Picco KC and Simon Elzen-Hoskyn in Edmonton.

Responsables de la pratique:

Kelly Osaka; John Cusano; Mercedes Hitesman; Wendy Moody

Autres avocats clés:

Rachel Howie; Gordon Tarnowsky

Principaux clients

Edison and Edison International


Sawridge Trust and the Sawridge Trustees


British Petroleum (BP) Canada Energy Group


Dynasty Power

Canadian National – CN



Principaux dossiers

  • Represented Edison and Edison International after Geophysical Services Incorporated advanced a claim against them alleging breach of contract and copyright, amongst other accusations.
  • Represented Tilray in a proposed national class action filed in the Alberta Court of Queen’s Bench that challenges the potency of several Canadian cannabis companies’ products.
  • Acted for the Sawridge Trustees in connection with a complex litigation concerning the distribution of assets estimated at $70m to a group of beneficiaries.


Fasken's Alberta group is known for its arbitration and litigation expertise, for which it is regularly sought out by clients in the construction, logistics, oil and gas, healthcare and telecoms spaces. The team has additional expertise in public sector procurement disputes. The practice is co-led by two Calgary-based partners: Karen Wyke specializes in litigation and arbitration for commercial and construction matters, while Gulu Punia handles commercial and employment litigation. Key partner Darren Reed focuses on construction, product liability, class action and securities matters.

Responsables de la pratique:

Karen Wyke; Gulu Punia

Autres avocats clés:

Darren Reed

Les références

‘The team at Faskens is very knowledgeable in the electricity sector in Alberta. They properly staff files and are practical with the advice provided. They provide strategic file management and are always looking to develop bench strength.’

‘I have worked closely with Karen Wyke for years. She is knowledgeable and provides practical and actionable legal advice.’

‘Our Fasken lead did not hesitate to bring in additional experts in other fields when needed. They helped lay out our strategies and clearly spoke about the risks of each step.’

Principaux clients


Canadian Pacific Kansas City

Thurber Engineering

Nova Gas Transmission

Gas Transmission Northwest

Foothills Pipe Lines

Tuscarora Gas Transmission

West Lake Energy

TELUS Communications

Mac’s Convenience Stores – Couche-Tard

Cook Group


Federal NDP

Cantech Oilfield Equipment

Cenovus Energy

Parkland Fuel

Principaux dossiers

  • Represented Purolator in a lawsuit alleging that Purolator and Canada’s actions during COVID-19 breached the Charter and other statutes, seeking punitive damages and damages for Charter breaches.
  • Represented Canadian Pacific Kansas City in a claim filed by employees in federal court against the federal government and the company following the implementation of a COVID vaccination policy.
  • Represented Thurber Engineering in a claim brought by Flatiron Construction involving the failure of a thickener tank foundation at CNRL’s Horizon Oil Sands project.

Gowling WLG

The expertise of Gowling WLG‘s group covers energy, environmental and construction disputes, as well as arbitration and litigation stemming from PPP infrastructure projects and shareholders’ claims. Ricki Johnston heads up the Alberta practice and specializes in corporate commercial litigation and professional liability defence. Ex-practice head David Bishop remains active on product and professional liability disputes and corporate and commercial litigation matters. Warren Foley brings strength to litigating operator disputes, pipeline ruptures and facility allocation disputes in the energy industry. The key name to note at the associate level is Kevin Pedersen‘s; he supports the partners with commercial litigation.

Responsables de la pratique:

Ricki Johnston

Autres avocats clés:

David Bishop; Warren Foley; Kevin Pedersen

Les références

‘Warren Foley has created a strong team around him, which allows the client the ability to seamlessly interchange their point of contact without any delays in workflow.’

Principaux clients

Northwynd REIT

Gibson Energy

Secure Energy (Drilling Services)

Yangarra Resources

Richardson Wealth

Waste Management of Canada Corporation

Obsidian Energy

Lafarge Canada

Strathcona Resources

Deltastream Energy Corporation

Preformed Line Products

Medipac Financial

Principaux dossiers

  • Retained to act on behalf of several REITs and their individual trustees as well as the directors and officers of various related corporate entities in a class action proceeding in which the investors allege C$85m in losses arising from the operation and sale of various timeshare resorts

DLA Piper (Canada) LLP

Fielding 22 lawyers in Alberta alone, the disputes practice at global giant DLA Piper (Canada) LLP operates from offices in both Calgary and Edmonton and is active in environmental, aboriginal, product liability, tort and class action disputes, in addition its distinct know-how in oilfield services, power electrical issues and surface rights. Standout department figures include seasoned litigator Heather Treacy and Patrick Roche, who focuses on litigation and arbitration in the energy and construction sectors. Calgary-based counsel Katrina Edgerton-McGhan is an up-and-comer with exposure to education, utilities, tech and procurement disputes.

Responsables de la pratique:

John Landry; David Foulds

Autres avocats clés:

Heather Treacy; Patrick Roche; Katrina Edgerton-McGhan

Les références

‘The firm’s senior lawyers in the litigation and regulatory teams are particularly knowledgeable in their fields.’

‘The group that I’ve interacted with is all-female, which is nice to see. It’s the people and expertise that make the difference.’

Principaux clients

Imperial Oil Resources

Salzgitter Mannesmann Stainless Tubes USA

Canadian Energy Services LP

Canadian Western Trust Company

Flair Airlines

Balancing Pool ‎

Doyle Salewski

Royal Bank of Canada

Calgary Board of Education

Bristol Myers Squibb Canada

Bristol Myers Squibb Company

Principaux dossiers

  • Defending CWT in a complex commercial dispute related to registered retirement savings plan commenced by over 130 plaintiffs. There have been multiple applications heard by the Court to date.
  • Defending the Balancing Pool in relation to appealing a decision by the Court of Queen’s Bench in which ‎that Court failed to set ‎aside ‎an arbitral award on the basis of breaches of natural justice. The case ‎involves considerations of ‎fundamental principles of natural justice and the manner in ‎which they apply ‎to arbitrations in the ‎Province of Alberta.
  • Defending Salzgitter in a products liability claim that involves very technical issues associated with a piece of equipment (pipes) alleged to have caused a shut-down in the operations of the plaintiff’s (Suncor) oil and gas business.

Lawson Lundell LLP

Lawson Lundell LLP's Calgary office is noted for its disputes offering, which encompasses shareholder disputes, insolvency, indigenous law, employment, property, tax and commercial litigation. Energy, telecoms, real estate and tech companies regularly feature on the 20-strong group’s client roster. Shannon Hayes heads up the practice and is well-versed in contractual and business tort disputes within the energy, electricity and oil and gas sectors, both before the courts and in arbitration.

Responsables de la pratique:

Shannon Hayes

Principaux clients

Remington Development


Steve Smythe

Crescent Point Energy

Total Energy

Jane Hawkins

Crescent Point Resources Partnership and Crescent Point Energy

Shaw Communications