In Merck & Co. Inc. v. Pharmascience Inc. (2010 FC 510), the Federal Court (FC) dismissed Merck & Co. Inc.'s (Merck) application to prohibit the Minister of Health from issuing a Notice of Compliance (NOC) to Pharmascience Inc. The FC found Canadian Patent No. 2,173,457 (the '457 patent) invalid on the basis of double patenting and anticipation. Significantly, the FC held that, despite its finding of anticipation, the '457 Patent was not obvious because prior art subsequent to the anticipating art would have discouraged any inquiry in to the relevant field of research.
Pharmascience had sought a NOC to market a generic version of the medicine finasteride, used in the treatment of male pattern baldness. Only dependent claim 5 of the '457 Patent remained in issue, and the FC summarized it as follows: "the use of finasteride for the preparation of a medicament adapted for oral administration useful for the treatment of male pattern baldness in a person and wherein the daily dosage is about 1.0mg." (more...)
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