(BUSINESS WIRE)--Pfizer Inc said today it will appeal a Canadian Federal Court decision in favor of generic manufacturer Apotex in its challenge to a Pfizer patent covering Lipitor. The court denied Pfizer’s request to prevent Apotex from launching a generic version of Lipitor prior to the expiration of Pfizer’s enantiomer (calcium salt) patent in July 2010. The court’s decision has no immediate commercial
