HAYWARD, Calif.--(BUSINESS WIRE)--Impax Laboratories, Inc. (NASDAQ:IPXL) today confirms that it has initiated a challenge of patents listed by Daiichi Sankyo, Inc. in connection with its WELCHOL® (Colesevelam HCl) tablets, 625 mg.
HAYWARD, Calif.--(BUSINESS WIRE)--Impax Laboratories, Inc. (NASDAQ:IPXL) today confirms that it has initiated a challenge of patents listed by Daiichi Sankyo, Inc. in connection with its WELCHOL® (Colesevelam HCl) tablets, 625 mg.