Exclusive right in 8 years? It is mutant the Patent Linkage System created

Some domestic pharmaceutical companies has acquired the exclusive sales right of Januvia generics, the antidiabetic treatment which can be launched in 8 years after the year of 2023.

This is because the Januvia’s salt and crystalline patents are now nullified. So far, the domestic companies have continued a fierce cold war to earn the exclusive sales right for the 8 year later.

The patent law...