Teva Pharmaceuticals USA Inc.and it subsidiary Ivax Pharmaceuticals Inc. filed a notice of appeal last Wednesday in the U.S. District Court for the District of New Jersey, to appeal its loss to Pfizer Inc. of a patent infringement suit over Detrol. Teva is appealing the federal court’s ruling of last Tuesday that they had failed to show Pfizer’s patent for the bladder control drug was invalid and not enforceable.


