Marian Wolanski *

Marian is a partner at Belmore Neidrauer LLP. 

Her practice focuses on patent disputes, with an emphasis on pharmaceutical and biotechnology patent litigation under the Patented Medicines (Notice of Compliance) Regulations.  Marian’s practice also includes providing freedom to operate and patent validity opinions as well as assisting clients with patent strategy.

Marian has appeared as counsel before the Federal Court, Federal Court of Appeal, and Supreme Court of Canada.

Marian’s recognitions include:

• 2025 LMG Patent Litigator of the Year – Canada
• Shortlisted for Practitioner of the Year (Patent Disputes) by Managing IP (2024 and 2025)
• 2018 LMG Canadian Rising Star

 Marian is consistently recognized as a leading patent lawyer by Best Lawyers, Benchmark Litigation, LMG Life Sciences, Managing Intellectual Property IP Stars, Who’s Who Legal, and Chambers Canada amongst many others.

IAM Patent 1000 recognizes Marian as a ““compelling performer before the courts” and notes that Marian’s “training in molecular biology allows her to recognise and deconstruct difficult scientific concerns, all while navigating the complexities of patent litigation”.

Chambers says “Marian is as smart as a whip and a great tactician” with “an impressive pedigree in patent litigation” and “Marian knows the law and can run a trial”.

Marian was called to the Ontario bar in 2008. 

While attending law school at the University of Windsor, Marian completed a clerkship at the Provincial Court and was the managing editor of the Windsor Review of Legal and Social Issues.  

Marian also has a technical background in the life sciences area and has co-authored several publications in scientific journals.  Marian earned a B.Sc.H. (Genetics) from the University of Western Ontario.  She also earned a M.Sc. degree and worked as a research associate in the area of molecular biology at the University of Windsor.

*practising through a professional corporation