Month: December 2017

Canada’s Federal Court of Appeal Rules in Favor of SNF and Confirms that BASF Patent CA 2,515,581 is Invalid

On November 17th, 2017, Canada’s Federal Court of Appeal ruled in favor of SNF, Inc. and confirmed the conclusion of the trial judge that Ciba’s Canadian Patent No. 2,515,581, with claims to a process of “rigidifying” tailings using polymers, is invalid and should not have been granted on the basis that all the claims of the patent […]

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