It was found that the number of applications for generic for exclusivity decreased sharply. Experts agree that the implementation of the 1+3 system has affected the decrease in the number of generic for exclusivity applications. Lee Myung-hee, a senior researcher at KIIP, introduced the number of generic for exclusivity applications in 2020 and 2021 at the 2022 Pharmaceutical Intellectual Property Policy Forum held on the 15th. According to him, the number of generic for exclusivity, which reached 272 in 2020, plunged to 26 in 2021.

The implementation of the 1+3 system is likely to be the reason for the sharp drop in the number of applications for generic for exclusivity. Lee Myung-hee said, "The 1+3 sy