
Litigation: Securities
Canada Guide 2026 : Alberta
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Dentons Canada LLP
At Dentons, the priority of our litigation and dispute resolution lawyers is to enable our clients to resolve their disputes in the most timely and cost effective means possible and to preserve their reputation. We also assist our clients in assessing and managing their risks to minimize the potential for future disputes. We are pioneers in providing settlement counsel and litigation risk analysis to businesses operating in Canada.
Where the interests of our clients cannot be achieved through a negotiated or mediated resolution, our litigators are experienced, skillful, intelligent and energetic advocates regardless of the forum. We have successfully represented clients before every level of court, and all types of commissions of inquiry and administrative tribunal.
Many of our lawyers are highly regarded for their litigation and alternative dispute resolution skills by top industry publications such as Chambers Global, Legal 500, and Best Lawyers in Canada.
Our key service areas include:
- Aboriginal Law
- Class proceedings
- Construction, Infrastructure and Project Development
- Corruption
- Employment and Labour
- Energy
- Environmental Law
- Forest Products and Agribusiness
- Fraud and Asset Recovery
- Insurance
- Intellectual Property and Technology
- Mining
- Product Liability
- Professional Liability
- Real Estate
- Restructuring, Insolvency and Bankruptcy
- Securities
- Taxation
- Transportation
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Dentons defended Tilray in a proposed national class action before the Alberta Court of King's Bench which alleges discrepancies between advertised and actual THC levels.
Strengths
Provided by Chambers
The firm's ability to draw from subject matter experts is unrivaled.
Litigation: Securities respondentCanadaThe Dentons' team is knowledgeable and strategic. They're a one-stop team.
Litigation: Securities respondentCanadaEven though Dentons is a very large firm, there is a sense of collaboration across different departments.
Litigation: Securities respondentCanadaThe lawyers are responsive, thoughtful and practical.
Litigation: Securities respondentCanadaThe Dentons team is very efficient and creative. Their service is always first rate.
Litigation: Securities respondentCanada
Notable Practitioners
Provided by Chambers
Band 3 
Band 3 
Gordon Tarnowsky
Calgary-based Gordon Tarnowsky KC of Dentons is regularly mandated by major oil and gas clients to handle cases involving multiple jurisdictions. He is equally experienced in litigation and arbitration, with noted strength in contractual disputes.
Band 4 
Band 4 
Dennis Picco KC
Dennis Picco KC has notable experience in contractual disputes, contentious insurance matters and arbitration in the construction sector. He is based in Dentons' Edmonton office.
Dennis is an excellent lawyer.
Litigation: Securities respondentCanada
Associates to watch 
Associates to watch 
Robert Gilroy
Robert Gilroy is a senior associate based in Dentons' Edmonton office who garners praise for his litigation practice, including on complex construction disputes.
Robert is well-prepared and effective.
Litigation: Securities respondentCanadaHe is very knowledgeable.
Litigation: Securities respondentCanadaRobert Gilroy is one of the best lawyers we've ever used. We would strongly recommend him.
Litigation: Securities respondentCanadaRobert's attention to detail makes you feel confident throughout the process.
Litigation: Securities respondentCanada
Spotlight 
Spotlight 
Matthew Epp
Based in Calgary, Matthew Epp of Dentons has a wide array of securities litigation experience and regularly represents investment and real estate industry professionals in civil proceedings and class actions.
Ranked Individuals at Dentons Canada LLP (4)
Members
Provided by Dentons Canada LLP

Dennis Picco
View profile of Dennis Picco
Gordon Tarnowsky
View profile of Gordon Tarnowsky
Matthew Epp
View profile of Matthew Epp
Robert Gilroy
View profile of Robert Gilroy
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