How many can the patentee of utility model write?

There are no restrictions. There are no specific restrictions on the inventors of utility model patents and invention patents, as long as they are approved. The patent applicant is the obligee, legal person or natural person. If there are multiple applicants, it means that the patent application right belongs to all applicants, and all applicants enjoy equal rights. After the patent is granted, all applicants will become patentees.

legal ground

Article 40 of the patent law

If the application for a patent for utility model or design is not found rejected after preliminary examination, the administrative department for patent in the State Council shall make a decision to grant the patent right for utility model or design, issue the corresponding patent certificate, and register and announce it at the same time. The patent right for utility model and the patent right for design shall take effect as of the date of announcement.