Declaratory judgment actions can be a useful way for entities threatened with patent infringement to go on the offensive. In one such matter in the District of Massachusetts, a declaratory judgment plaintiff turned the tables on a patentee by invalidating two patents relating to eyeglass screw technology at the summary judgment stage.… Continue Reading
As the established gatekeepers with respect to expert testimony, district courts have broad discretion on whether to admit or exclude such evidence. The Vermont district court recently opted to deny patentee defendant Advanced Mobile’s (“AMHS”) motions to disqualify both of declaratory judgment plaintiff Mobile Medical’s (“MMIC”) expert witnesses, who had provided opinions relating to the invalidity … Continue Reading
