Louis-Philippe Constant
About Louis-Philippe Constant
Louis-Philippe Constant is a lawyer based in Montréal, QC and has been recognized in The Best Lawyers in Canada™ since 2019. Louis-Philippe Constant is recognized in the following practice areas:
- Montréal, Quebec
- Aviation Law
- Class Action Litigation
- Construction Law
- Corporate and Commercial Litigation
- Insurance Law
- Product Liability Law
- Professional Malpractice Law
Current Firm: Clyde & Co LLP
Location: Montréal, QC
Nearby Lawyers
Jules Charette practises tax law. He regularly advises businesses, developers, public bodies and financial institutions on the tax aspects of financings, mergers and acquisitions, reorganizations, executive compensation and international transactions. Mr. Charette also represents taxpayers in disputes with the tax authorities. In addition, he advises individuals on estate planning, which has led him to develop expertise in trusts and estates. Mr. Charette is co-chair of our Canadian tax team ...
Jean-Philippe Therriault is a member of the firm’s Environmental, Energy and Climate Change group. His practice focuses on environmental, construction and public procurement law. In environmental law, Jean-Philippe advises clients on compliance issues and helps them navigate the permit and approval process. He has extensive experience in commercial and real estate transactions involving environmental issues, including the management of risks associated with release of contaminants, cont...
Marc-André Laroche is a partner-owner in the firm. Since the beginning of his career, Mr. Laroche’s practice has focused exclusively on labour and employment law issues. As such, he counsels and represents companies of all sizes in various economic sectors, both before administrative tribunals and courts of law. He is also an author, lecturer and legal instructor on several hot topics in labour and employment law.
Guy Lavoie has know-how and sound experience in labour and employment law, as well as in workers compensation and occupational health and safety. He advises the firm’s clients and represents them before various administrative and civil courts in matters involving collective and individual labour relations, occupational health and safety, discrimination and harassment. He also works on the labour and employment law aspects of mergers and acquisitions in collaboration with the firm’...
François Marchand helps build a solid plan for your project. François Marchand focuses his practice on professional and insurance law, including professional liability and disciplinary law. He also works in commercial and construction litigation. His clientele consists mainly of SMEs in various industries, including construction, technology services, franchising, distribution and insurance. He also serves individual professionals and professional organizations, including the Ord...
Tina Hobday, a partner since 2001, has developed considerable expertise in the fields of pension plan litigation and governance and has represented pension interests in several high-profile insolvency proceedings. She also practices in the area of public and administrative law, and has substantial experience in professional and disciplinary law. As an experienced litigator, she represents clients before the civil and federal courts, including statutory appeals before the Federal Court of Appe...
Alwynn Gillett is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Alwynn, who practices law in Montréal, Quebec, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alwynn is held by other top lawyers in the same geographic and legal practice area.
A versatile labour lawyer, Carl Lessard excels in labour relations and occupational health and safety matters. He also possesses broad expertise applicable to cases involving medical issues. Recognized for his mastery of litigation strategy, he orients his approach based on the political and economic issues that are important to his clients. A skilled communicator, Mr. Lessard is frequently called upon to lecture at conferences on topics of current interest relating to labour law. Flexible in...
Éric Lallier assists employers in Quebec and elsewhere in Canada and advises them on a wide range of legal matters, including the interpretation and application of collective agreements and employment contracts, court actions, occupational health and safety issues, grievance arbitration, and penal matters. He also acts for clients of the firm before various administrative and judicial tribunals. In his practice, particular focus is given to specific areas of the law, including civil pr...
François Dandonneau is a partner in the firm’s Montréal office. His practice has been centred on Aboriginal law for over fifteen years with a specific focus on matters dealing with mining and natural resources, procurement, taxation and self-governance. Throughout his career, François has acted and played a major role in important litigation matters, notably constitutional cases, before all levels of the courts, including the Supreme Court of Canada. François...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.