As for the preservation of strains in the invention patent application, "Submit the preservation certificate and survival certificate of biological material samples within four months from the applica

As for the preservation of strains in the invention patent application, "Submit the preservation certificate and survival certificate of biological material samples within four months from the application date."

According to the provisions of the Patent Law, the deposit certificate can be used wherever it is issued.

In addition, not all biological materials require a preservation certificate. If the biological material already exists before the patent application date, there is no need to provide a deposit certificate. Judging from your description, "already disclosed in other invention patents" should be existing biological materials, right? If so, there is no need to provide a deposit certificate.