not bad. To apply for a patent, we must first understand the following points:

1. Patent applications can be divided into domestic patent applications and international patent applications, and the processes and expenses are of course different;

2. There are three types of patents stipulated in China's patent law: invention patent, utility model patent and design patent. There are different types of patents in different countries. For example, American patents include inventions, designs and new plant varieties.

3. Domestic patent application process:

(1) Filling and writing patent application documents;

(2) Acceptance of patent applications

After receiving a patent application, the Patent Office's acceptance office or each patent office's agency will determine the application date, give the application number and issue an acceptance notice for the application that meets the acceptance conditions.

(3) Payment method of application fee

The application fee and other fees can be paid directly to the toll office of the Patent Office or the agency of the Patent Office, or remitted through the bank or post office, or the registered users of electronic application can pay the patent fee by logging in to the China Patent Electronic Application Network and using the online payment system.

(4) Patent Approval Procedure

According to the Patent Law, the approval procedure of an application for a patent for invention includes five stages: acceptance, preliminary examination, publication, actual examination and authorization. The application for a patent for utility model or design is not published and examined in substance during the examination and approval, and there are only three stages: acceptance, preliminary examination and authorization.

（5）? Active revision and correction of patent application documents

Active revision and correction of patent application documents is also a procedure that the applicant can choose as needed. Applications for patents for utility models and designs are only allowed to be voluntarily amended within two months from the date of application; An application for a patent for invention is only allowed to actively modify the patent application documents within three months from the date of filing a request for substantive examination and receiving the notice from the Patent Office that the application for a patent for invention has entered the substantive examination stage.

4. General flow of foreign-related patents (2 types):

(1)PCT international patent application

(2) single country direct application

I hope it can help you ~