Marian Wolanski

About the LawyerMarian Wolanski is a partner at Belmore Neidrauer LLP, where her practice focuses on patent disputes, with an emphasis on pharmaceutical and biotechnology patent litigation under the Patented Medicines (Notice of Compliance) Regulations. She advises clients on patent strategy and provides freedom to operate and patent validity opinions. She has represented clients before the Federal Court and Federal Court of Appeal in Canada. She is also recognized for her work in complex patent litigation involving the life sciences sector.ExperienceMarian Wolanski has practiced with Belmore Neidrauer LLP since 2009, becoming a partner in 2017. Before joining Belmore Neidrauer LLP, she worked as an associate at Gowling Lafleur Henderson LLP and completed her articling term as a student-at-law at Bereskin & Parr. Her experience centers on patent litigation, particularly disputes involving pharmaceutical and biotechnology products, and includes work on infringement, validity, and strategic enforcement matters.She has appeared before Canada’s Federal Court and Federal Court of Appeal in patent disputes, including matters under the Patented Medicines (Notice of Compliance) Regulations. Her background includes significant experience representing clients in efforts to retain patents and seek damages from generic manufacturers.SpecialtyMarian Wolanski’s specialty is intellectual property litigation, with a focus on pharmaceutical and biotechnology patent litigation. Her work includes:

• Patent disputes under the Patented Medicines (Notice of Compliance) Regulations
• Patent strategy
• Freedom to operate opinions
• Patent validity opinions
• Patentability opinions
• Patent infringement litigation
• Multi-jurisdictional patent disputes in the life sciences sector

EducationMarian Wolanski has an M.Sc. in molecular biology, which supports her practice in technically complex patent litigation involving pharmaceutical and biotechnology matters.She was admitted to the Ontario bar in 2008.

• Awards: Marian Wolanski won the LMG Life Sciences Canadian Rising Star Award in 2018, and Belmore Neidrauer states she was recognized as Patent Litigator of the Year – Canada at the 2025 LMG Life Sciences Awards.
• Industry rankings: Belmore Neidrauer’s bio says Wolanski has been consistently recognized by LMG Life Sciences, Managing Intellectual Property IP Stars, Who’s Who Legal, and Chambers Canada; the same bio also lists recognitions including Best Lawyers in Canada: Intellectual Property, IAM Patent 1000, Benchmark Litigation Litigation Star, Chambers Canada Intellectual Property Litigation, and Legal 500 Canada Next Generation Partners.
• Leadership roles: Chambers’ profile says Marian Wolanski has significant experience advocating for clients in patent litigation, and Belmore Neidrauer identifies her as a partner in its Intellectual Property Litigation practice.
• Major case successes: Belmore Neidrauer’s firm rankings page says the firm successfully represented Janssen Inc. and Janssen Pharmaceutica against Apotex in Federal Court of Appeal and patent validity litigation concerning INVEGA SUSTENNA.