Patent license filing and under what circumstances not filing.

Ordinary patent licensing contracts are not filed:

A the licensor is not a legitimate patentee or patent applicant or other obligee;

B.*** * * The patentee enters into a patent exploitation license contract in violation of legal provisions or agreements;

C. Repeated application for filing of the same patent licensing contract;

D conflicts with the registered patent licensing contract;

5. The patent right is pledged, except with the consent of the pledgee;

F. The duration of the exploitation license exceeds the validity period of the patent right;

G. The patent right is terminated or declared invalid;

H. The patent right is in the late stage of annual fee payment;