Marie Lussier

Marie joined the firm in 2008 after practicing intellectual property law for over fifteen years with Bereskin & Parr and McCarthy Tétrault. Marie was admitted to the Bar in 1994 and is also a registered trade-mark agent. Her practice extends to all facets of branding and advertising law, and her expertise lies in helping businesses acquire, manage and defend their trade-marks in Canada and abroad. Marie has worked with and managed the trade-mark portfolios of many large corporations. Since 2012, Marie has been listed in Managing Intellectual Property’s Guide to the World’s Leading Trade Mark Law Practitioners.

Marie is an active member of both the Institute of Intellectual Property of Canada (IPIC) and the International Trademark Association (INTA). She presently teaches an IPIC course to train persons intending to take the trade-mark agent examination and is the former Director of the McGill-IPIC course on Managing Trademark Disputes. With INTA, she is a member of the Trademark Reporter Committee and was previously co-chair of the INTA Bulletin News Subcommittee. In 2015, Marie was named the co-chair of the INTA Bulletin Law & Practice North America Sub-committee. In 2013 and 2014, Marie has been invited to speak on the subject of trade-marks at the Federated Press Mastering Entertainment Law course.

Marie is fluent in both French and English and has studied and worked in both languages. She received a B.Sc. in 1987 from Queen’s University, specializing in Life Sciences. She then attended McGill University and obtained her common and civil law degrees in 1991. While at McGill, she was Comments Editor of the McGill Law Journal. Subsequently, as part of her articles, Marie clerked with Madam Alice Desjardins of the Federal Court of Appeal.

Bar Admission: 

  • Ontario, 1994


  • McGill University, common and civil law degrees (1991),
  • Queens University B.Sc., 1987