Cephalon Sues Barr Over Generic Fentora
The suit, filed Tuesday in the U.S. District Court for the District of Delaware, is the second lawsuit Cephalon has filed over a proposed Fentora generic. In June, the company sued Watson Pharmaceuticals over the same two patents for tablets of fentanyl buccal, the active ingredient in Fentora.
Neither company immediately responded to requests for comment.
In June, Cephalon received...

