Generic companies have begun challenging the unlisted patent of Jardiance (empagliflozin), an SGLT-2 inhibitor-class diabetes treatment. From the generic companies’ perspective, they must overcome Jardiance’s unlisted patents to release their generics early, just after Jardiance’s substance patent expires in 2025.

According to industry sources on the 14th, Chong Kun Dang and Genu Pharma recently filed an invalidation trial against Boehringer Ingelheim on Jardiance’s use patent (10-1463724).

The patent is not listed on the Ministry of Food and Drug Safety’s Green List. The patent, which is set to expire in November 2027, covers not only the treatment of diabetes but also the use of