Atty. Madeleine Lamothe-Samson
Madeleine has over 20 years of experience in intellectual property litigation, copyright, trademarks, and entertainment law. She regularly advises companies of all sizes.
Profile Summary
About Madeleine Lamothe-Samson at a glance
Madeleine Lamothe-Samson is a business, real estate, ip, litigation, and entertainment attorney based in Montreal, Quebec, practicing at MLS Légal Inc. They have 25+ years of legal experience, licensed to practice since 2001. Admitted to practice in Quebec (2001). Educated at Université Laval (LLB) and University of Toronto (LLM). Recognitions include Lawyer of the Year — Entertainment Law, Montréal (Canada) (2026), Best Lawyers in America — Corporate and Commercial Litigation (2026), and Best Lawyers in America — Entertainment Law (2026). Serands clients in Montreal, QC and the surrounding metropolitan area.
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About
- Madeleine has over 20 years of experience in intellectual property litigation, copyright, trademarks, and entertainment law
- She regularly advises companies of all sizes
- Clients appreciate her direct style and the “solution mode” in which she operates
- Knowing the implications of litigation, Madeleine helps clients prevent disputes when possible
- If legal proceedings become inevitable, she fully invests her rigor, tenacity, and persuasiveness into her client’s case
- Madeleine has successfully represented companies before the Federal Court, the Québec Superior Court, the Copyright Board of Canada, and various arbitrations
- She regularly negotiates favourable settlements for the companies she represents
- From 2011-2016, Madeleine was the president of the Canadian chapter of the International Literary and Artistic Association (ALAI), recognized by the World Intellectual Property Organization (WIPO)
- Madeleine was identified as an “IP Star” by Managing Intellectual Property magazine, and is consistently among the most recommended IP professionals, according to Lexpert
- She is the author of many articles and regularly gives lectures in the field of copyright and entertainment
- As a mother and mother-in-law of 3 children of primary school age, Madeleine is convinced that parenthood has made her a better, more rigorous and disciplined lawyer
- Education and qualifications : Laval University (LL.B), University of Toronto (LL.M)
- Member of the Quebec Bar, registered trademark agent
Languages
French, English, Spanish
Practice Areas Explained
Madeleine Lamothe-Samson's Areas of Practice
Each practice area below reflects the types of cases Madeleine Lamothe-Samson handles, with a brief overview of what that area of law covers.
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Madeleine Lamothe-Samson is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Quebec →
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Madeleine Lamothe-Samson is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Quebec →
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
Madeleine Lamothe-Samson is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Quebec →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Madeleine Lamothe-Samson is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Quebec →
Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.
Madeleine Lamothe-Samson is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment attorneys in Quebec →
Jurisdictional Context
Why local counsel matters in Quebec
Practicing law in Quebec. Legal matters in Quebec are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Montreal are typically filed in the local municipal court or the appropriate Quebec state district court, depending on subject matter and amount in controversy. An attorney licensed in Quebec brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Quebec courts without local counsel or pro hac vice admission.
Looking for additional Quebec attorneys? Browse all attorneys in Montreal or all attorneys in Quebec.
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