Archive: September 16, 2015

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Australian High Court Rules Rosuvastatin Low Dose Patent Obvious

Australian High Court Rules Rosuvastatin Low Dose Patent Obvious

In an eagerly awaited decision¹ the Australian High Court has upheld a decision of a five judge bench of the Full Federal Court that AstraZeneca’s patent relating to low dosages of rosuvastatin is invalid on the basis that the claims lack an inventive step.

Section 7(3) of the Patents Act 1990 (Act) as it existed at the priority date of Astra Zeneca’s patent imposed a threshold requirement that in order to be considered for assessing inventive step a document must be “ascertained, understood and regarded as relevant” by a person skilled in the art.

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