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We are experts in intellectual property litigation. We are trial lawyers.
We are appellate lawyers. We know patent law, inside and out.
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Pharmascience Inc. v Janssen Inc. (Supreme Court File No. 41209)

On October 9, 2025, Belmore Neidrauer represented Janssen in the Supreme Court of Canada in a case dealing with the law on patentable subject matter (method of medical treatment law).
LMG Life Sciences Rankings 2025!

Belmore Neidrauer is pleased to be recognized in the LMG Life Sciences firm and attorney rankings covering the Americas! The firm is ranked as recommended in Patent Litigation (Branded).
Belmore Neidrauer recognized in Chambers 2026

Belmore Neidrauer is pleased to be recognized as a respected IP firm primarily known for its expertise in pharmaceutical litigation (Band 3). The Belmore Neidrauer team was noted as having “significant experience and skill in a variety of complex patent disputes”.
Belmore Neidrauer recognized in the 20ᵗʰ edition of Best Lawyers™

The firm is pleased with Marian Wolanski’s inclusion in Best Lawyers for her work in Intellectual Property law as it is based entirely on a rigorous peer-review survey. Recognition by Best Lawyers symbolizes excellence in our practice and the trust of our colleagues.
LMG Life Sciences Awards: Americas 2025

Belmore Neidrauer is proud to announce that Marian Wolanski was recognized as Patent Litigator of the Year - Canada at the 2025 LMG Life Sciences Awards held in New York City on September 4, 2025. Congratulations to Marian for this recognition!
LMG Life Sciences recognizes Belmore Neidrauer

Belmore Neidrauer along with co-counsel Markwell Clarizio LLP was presented with the Impact Case of the Year – Canada award for our work on Alexion v Amgen (2025 FC 754).

Our Team

With training in molecular biology, Marian Wolanski has become a leader in patent litigation, advising clients through the complexities of patent disputes.
Marian Wolanski

Partner

p.(416) 863-3355

f.(416) 863-9171

e.mwolanski@belmorelaw.com

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Our cases

September 04, 2025

Alexion Pharmaceuticals v Amgen Canada

Counsel: Marian Wolanski and Megan Pocalyuko

Belmore Neidrauer along with co-counsel was presented with the LMG Impact Case of the Year – Canada award for our work on Alexion v Amgen (2025 FC 754).
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October 02, 2025

Samsung Bioepis Co. Ltd. v Janssen Biotech, Inc.

Counsel: Marian Wolanski, Megan Pocalyuko, Heather Lindsay, Oleyna Strigul and Renée Taillieu

We represented Janssen. This case related to Janssen’s patent covering its blockbuster drug STELARA. The notice of discontinuance was filed October 2, 2025
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July 18, 2025

Janssen Inc. v Apotex

Counsel: Marian Wolanski, Megan Pocalyuko and Heather Lindsay

We represented Janssen. This action related to Mitsubishi’s 357 patent covering the diabetes drug INVOKANA. This action was discontinued July 2025.
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May 13, 2025

Pharmascience v. Janssen

Counsel: Marian Wolanski and Heather Lindsay

We represented Janssen. This was an action for damages under section 8 of the Patented Medicines Notice of Compliance Regulations relating to abiraterone acetate. The action was discontinued shortly before trial (May 2025).
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April 25, 2025

Janssen Inc. v JAMP

Counsel: Marian Wolanski, Megan Pocalyuko and Heather Lindsay

We represented Janssen. This action related to Janssen’s 024 Patent covering the diabetes drug INVOKANA. The action was discontinued in April 2025.
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February 16, 2024

Janssen Inc. v Pharmascience Inc.

Counsel: Marian Wolanski, Megan Pocalyuko and Oleyna Strigul

Belmore Neidrauer secured another victory in the Federal Court of Appeal for our client Janssen relating to the validity of Janssen’s patent covering INVEGA SUSTENNA®
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January 12, 2024

Janssen Inc. v Apotex Inc.

Counsel: Marian Wolanski, Megan Pocalyuko and Oleyna Strigul

We successfully represented Janssen on another appeal relating to infringement of Janssen’s patent covering INVEGA SUSTENNA® (paliperidone palmitate) once-monthly injection product for the treatment of schizophrenia.
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January 12, 2024

Janssen v. Pharmascience

Counsel: Marian Wolanski, Megan Pocalyuko and Oleyna Strigul

We successfully represented Janssen in the Federal Court of Appeal on this appeal relating to infringement of the patent covering Janssen’s INVEGA SUSTENNA® (paliperidone palmitate) once-monthly injection product for the treatment of schizophrenia.
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December 22, 2023

Janssen Inc. v Apotex Inc.

Counsel: Marian Wolanski, Megan Pocalyuko and Oleyna Strigul

Belmore Neidrauer has successfully represented Janssen on another appeal, resulting in a decision overturning the Federal Court’s denial of summary judgment.
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March 23, 2023

Janssen Inc. et al v. Teva Canada Limited

Counsel: Marian Wolanski and Megan Pocalyuko

We successfully represented Janssen on Teva’s appeal and Janssen’s cross-appeal in a significant decision relating to the law of inducing patent infringement in Canada. The decision relates to Janssen’s patent covering INVEGA SUSTENNA® (paliperidone ...
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October 27, 2022

Janssen v. Apotex

We successfully represented Janssen in a motion to appeal an order of the Associate Judge which declined, based on relevance, to compel Apotex to answer certain discovery questions related to its ability to supply its generic abiraterone acetate prod...
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October 27, 2022

Janssen v. Apotex

We successfully represented Janssen in a motion to Amend its Statement of Defence in this PMNOC section 8 damages action. The Court agreed that Janssen was allowed to amend its Statement of Defence to raise issues as to Apotex’s ability to supply the...
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December 05, 2022

Janssen v. Dr. Reddy

We successfully represented Janssen in this motion brought by Dr. Reddy’s in the context of a PMNOC section 8 damages action. Dr. Reddy’s was seeking to have a question of law determined before trial. The question of law related to whether Janssen co...
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January 19, 2023

Janssen v. Pharmascience

Counsel: Marian Wolanski

We successfully represented Janssen in a motion brought by the appellant (Pharmascience) to settle the contents of the appeal book in the context of an appeal from the judgment of the Federal Court in Janssen Inc. v. Pharmascience Inc., 2022 FC 1218 ...
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January 24, 2023

Alexion v. Attorney General of Canada

Counsel: Marian Wolanski

This was an application to add an inventor to two patents owned by Alexion Pharmaceuticals. The patents relate to Alexion’s blockbuster drug SOLIRIS. The application was granted, ensuring that the correct inventors are named on the patents relating t...
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February 14, 2023

Apotex Inc. v Janssen Inc. et al

Counsel: Heather Lindsay

We successfully represented Janssen on these motions seeking non-party discovery in three PMNOC section 8 actions.Each of Apotex, Dr. Reddy’s and Pharmascience resisted, on numerous grounds, non-party discovery for use in these section 8 actions. The...
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August 23, 2022

Janssen v. Pharmascience

Counsel: Marian Wolanski, Megan Pocalyuko and Oleyna Strigul

We successfully represented Janssen in defending the validity of the patent relating to Janssen’s INVEGA SUSTENNA® (paliperidone palmitate) once-monthly injection product used to treat schizophrenia.
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January 31, 2022

Janssen v Apotex

Counsel: Marian Wolanski and Megan Pocalyuko

We successfully represented Janssen in this summary trial in the Federal Court on infringement issues against Apotex in respect of Janssen’s patent covering its important INVEGA SUSTENNA® (paliperidone palmitate) once-monthly injection product used t...
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January 19, 2022

Janssen v Pharmascience

Counsel: Marian Wolanski and Megan Pocalyuko

We successfully represented Janssen in this summary trial in the Federal Court on infringement issues against Pharmascience in respect of Janssen’s patent covering its important INVEGA SUSTENNA® (paliperidone palmitate) once-monthly injection product...
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January 14, 2021

Janssen v Apotex, Pharmascience and Dr. Reddy’s Laboratories

Counsel: Marian Wolanski and Megan Pocalyuko

We represented Janssen and BTG in these patent infringement actions relating to Janssen’s prostate cancer product ZYTIGA®(abiraterone acetate). We were successful in proving inducing infringement and in resisting the defendants’ attacks based on lack...
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Awards

Consistently Recognized
for Excellence.

We are consistently recognized as leading IP litigators in Canada. Among others, we are recognized by:

Chambers Recognized for Intellectual Property: Litigation 2026
LMG Life Science Recommended for Patent Litigation (Branded) 2025
IAM Patent 1000 Recognized for Patent Litigation 2025
Legal 500 Canada Elite Boutique 2025
Best Law Firms - Canada Tier 1 for Intellectual Property Law 2025
Chambers Recognized for Intellectual Property: Litigation 2025
IAM Patent 1000 Recognized for Patent Litigation 2024
Chambers Recognized for Intellectual Property: Litigation 2024

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Persuasive Advocacy.Proven Results.

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Our Team

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Awards

Consistently Recognizedfor Excellence.

Persuasive Advocacy.
Proven Results.

Consistently Recognized
for Excellence.