Markwell Clarizio LLP

Author name: Dino Clarizio

Federal Court of Appeal Confirms That Cialis Patent is Invalid

The Federal Court of Appeal (per Locke JA.) affirmed a trial decision in which claims in Lilly’s patent covering physiologically acceptable salts of tadalafil were found to be invalid for overbreadth and insufficiency. The principal issue on appeal was the proper construction of the claim term “physiologically acceptable”, though the Court’s obiter statements regarding the […]

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Claims to Dosing Regimens May Not Be Prohibited Methods of Medical Treatment: A Question of “Whether” and “How”

In Pharmascience v Janssen, the Federal Court of Appeal (Locke JA writing for the Court) held that the claims in Janssen’s patent to a dosing regimen are not prohibited as a method of medical treatment. Pharmascience v Janssen, 2024 FCA 23   The Prohibition Against Patenting Methods of Medical Treatment The patentability of methods of

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Federal Court Finds Takeda’s Patent Not infringed and Invalid for Inutility and Insufficiency

The Federal Court (per Furlanetto J.) held that Takeda’s 916 Patent covering aspects of its DEXILANT® capsules is not infringed by Apotex’s proposed generic dexlansoprazole capsules and, in any event, is invalid for inutility (lack of sound prediction) and insufficiency. Takeda Canada Inc. v. Apotex Inc. – Federal Court (fct-cf.gc.ca) The Court’s infringement and validity

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Samsung and Biogen Enjoined From Using BYOOVIZ Trademark for their Biosimilar in Canada

The Federal Court (per Pallotta J.) held that Biogen’s and Samsung’s use of the mark BYOOVIZ in association with an ophthalmologic drug infringes Novartis’s trademark registration for BEOVU, and granted a permanent injunction preventing further use of the mark. Novartis v Biogen 2024 FC 52 Novartis is the owner in Canada of a trademark registration

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Litigating Patents in Canada Compared to the U.S.A.

Some commentators have said the Inter Partes Review process and various U.S. Supreme Court decisions have recently made enforcement of patent rights in the United States more challenging. As a result, some patentees have looked abroad to places like Europe (especially Germany) to enforce their patent rights. But what about Canada? Why should an American

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Sandoz v. Janssen 2023 FCA 221: Threshold for Sound Prediction

The Federal Court of Appeal (Locke JA writing for the Court) recently confirmed the threshold for establishing a sound prediction of utility. Sandoz v Janssen 2023 FCA 221 Canadian patent law requires that, to prevent the filing of patent applications based on speculation, utility must be either demonstrated or the requirements for a sound prediction

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Inducing Infringement with a Skinny Label: FCA Weighs-In

The Federal Court of Appeal (Locke JA writing for the Court) held that Apotex will induce infringement of patent claims to a combination of two active ingredients to treat a condition even though Apotex is seeking approval to market only one of the active ingredients as a monotherapy for the same condition. https://lnkd.in/gkb9faVi Janssen is the

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