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ARTICLE · 25 MAY 2018

Apotex Request To Re-Open Validity Of Esomeprazole Patent Denied

The Federal Court dismissed Apotex's motion to re-open the validity phase of the patent infringement action relating to esomeprazole (AstraZeneca's NEXIUM®).

CanadaIntellectual Property

The Federal Court dismissed Apotex's motion to re-open the validity phase of the patent infringement action relating to esomeprazole (AstraZeneca's NEXIUM®). Apotex had moved to re-open validity to allow the Court to adjudicate the issue of "overpromising" in light of the Supreme Court of Canada's decision in AstraZeneca Canada Inc v Apotex Inc, 2017 SCC 36 , which related to the same patent.

As we reported, the only issue before the SCC was utility. The court allowed AstraZeneca's appeal and struck down the Promise Doctrine as an error of law. After the SCC released its decision, Apotex brought a motion to the SCC to have the issue of "overpromising" remanded to the Federal Court and the issues of anticipation and obviousness remanded to the Federal Court of Appeal (reported here). Apotex's motion was dismissed by the SCC without reasons.

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