When applying for a patent, the applicant shall pay a patent application fee within 2 months after submitting the patent application documents and being accepted by the Patent Office of the China National Intellectual Property Administration, and if applying for a patent for invention, the applicant shall also pay a substantive examination fee within 2 months after filing a request for substantive examination;

After patent authorization, the patent registration procedures should be handled in a timely manner, and the patent registration fee, stamp duty, and initial annual fee should be paid within the prescribed period according to the notification requirements.