Marc Dorion
About Marc Dorion
Marc Dorion is a lawyer based in Montréal, QC and has been recognized in The Best Lawyers in Canada™ since 2006. Marc Dorion is recognized in the following practice areas:
- Montréal, Quebec
- Banking and Finance Law
- Corporate Law
- Energy Regulatory Law
- Mergers and Acquisitions Law
- Project Finance Law
- Securities Law
- Structured Finance Law
Current Firm: McCarthy Tétrault LLP
Location: Montréal, QC
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Marc-André Groulx is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Marc-André, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc-André is held by other top lawyers in the same geographic and legal practice area.
Marie-Hélène Jolicoeur is a partner with expertise in the fields of labour and employment law, health law, and occupational health and safety law. She appears before administrative tribunals and common law courts, primarily the Tribunal administratif du travail . She also acts as spokesperson for employers negotiating collective agreements. Ms. Jolicoeur was called to the Bar in July 2007 and joined Lavery in July 2011 after practising with another law firm for several years. Fr...
Sylvie Bourdeau practises in the area of business and mergers and acquisition law. Over the years she has been involved in numerous mandates involving the financial products and services and life sciences/pharmaceuticals industries. In addition to the numerous mergers and acquisitions and private financings mandates in which she has been involved in her practice, Sylvie’s also represented many clients in matters involving the drafting of complex commercial agreements, including for join...
Barry Landy is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Barry, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Barry is held by other top lawyers in the same geographic and legal practice area.
Isabelle Casavant specializes in civil litigation, with an emphasis on insurance, civil liability, and product liability. An experienced litigator, she also regularly participates in settlement conferences, which leads her to seek creative and proactive solutions to promote quick and cost-effective dispute resolution. In the insurance field, in addition to defending insureds, she has developed an expertise in insurance contracts, frequently advising and representing insurers on questions of i...
Paul A. Melançon’s practice focuses on insurance law and encompasses all issues pertaining to property and casualty insurance policies (property insurance and liability insurance including professional liability, directors and officers’ liability and brokers’ liability), whether primary, excess or complementary. The scope of Paul’s practice extends to civil liability, product liability, builders’ liability, personal injury liability and carriers’ lia...
Catherine Daigle practises intellectual property law with a focus on trademarks and advertising issues. She has developed a practice that addresses strategic issues related to trademark portfolio management on an international level for a range of clients in a variety of disciplines. Ms. Daigle assists clients across all the stages of the trademark life cycle, including clearance and availability opinions, developing filing strategies, trademark prosecution and administrative proceedings befo...
Robert is a partner of the firm and heads its Tax department and Wills, Trusts and Estates department. He received both his Bachelor of Civil Law and Common Law from McGill University in 1989 and later completed a Graduate Diploma in Taxation at McGill University. Robert practices in the area of tax with a focus on income tax planning for Canadian private corporations and their owners, corporate reorganizations and tax dispute resolution. Robert is regularly involved in estate and succession ...
Fabienne Beauvais is a Partner in our Insurance Law Practice Group. Her practice focuses on civil litigation, especially professional liability cases. Over the years, she has acquired a rich and diversified experience with numerous areas, from mortgage foreclosures to tax litigation, bankruptcy and insolvency, and guarantees. For over 20 years now, she has acted for the Fonds d’assurance de la responsabilité professionnelle de la Chambre des notaires du Québec, defending n...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.