Hines v. Secretary of Department of Health and Human Services

Ryko Manufacturing Co. (Ryko) sued Nu-Star, Inc. (Nu-Star) for infringing its reissue patent Re. 32,601 (601). The United States District Court for the District of Minnesota granted Nu-Stars motion for summary judgment based on invalidity, determining that the patented invention would have been obvious in light of the prior art. Ryko appeals, and we affirm.