Why should the patent certificate be filed separately from the patent parity report?

Because the two are different, having a patent certificate represents the ownership and right to use the patent;

The patent evaluation report is used when the patent is infringed, questioned or appears as a patent. There is no substantive examination for utility model patents and a patent evaluation report is only required when the patent rights are relatively unstable.

It is worth noting:

First of all, the patent right evaluation report is for utility models and designs, not for invention patents. Invention patent applications will be reviewed during the substantive examination of the Patent Office. A search is conducted, so the invention does not require a patent evaluation report. However, no search was conducted during the examination of utility models, so the patent rights are unstable. In order to ensure that the patent will not cause infringement or be invalidated during subsequent implementation, some companies will request an evaluation report to determine the patent to a certain extent. stability.

Secondly, the patent right evaluation report is evidence for the People's Court or the department that manages patent work to hear and handle patent infringement disputes. It is mainly used by the People's Court or the department that manages patent work to determine whether relevant procedures need to be suspended. This is a legal issue. Therefore, you need to note that only when the patent is a utility model or design, you need to apply for an evaluation report.