To print this article, all you need is to be registered or login on Mondaq.com. Torrent Pharmaceuticals and Indoco Remedies Ltd. (Defendant-Appellant) appealed from the district court's final judgment on Takeda's (Plaintiffs-Appellees) invalidity challenges to claims 4 and 12 of U.S. Patent No. 7,807,689, owned by Takeda. In a non-precedential opinion, the Federal Circuit ("the Court") affirmed the district court's final judgment that Torrent and Indoco had failed to prove that the claims asserted by Takeda were invalid for statutory obviousness or non-statutory obviousness-type double patenting. Takeda's patent '689 is listed in the Orange Book as protecting Takeda' alogliptin benzoate formulations, marketed