MINNEAPOLIS--(BUSINESS WIRE)--Today, the U.S. District Court for the District of Delaware ruled that Advanced Cardiovascular Systems, Inc., a subsidiary of Guidant Corporation which is now owned by Abbott Laboratories (NYSE:ABT), did not commit “inequitable conduct” in obtaining the Lau stent patents. The District Court’s ruling completes the liability phase of the patent infringement proceeding brought by Guidant against Medtronic Vascular, while the damages phase remains to be conducted. Medtronic (NYSE:MDT) will appeal these findings of liability to the Federal Circuit Court of Appeals.
