Is it okay to renew the patent right of utility model?

No, the determination of patent protection period mainly considers the speed of technology update. As an industrial property right, the purpose of patent protection is to promote the continuous renewal and development of industry and technology, not to hinder scientific progress. After the patent expires, this technology can be made public, which is beneficial for others to use and improve this technology, so there is no renewal.

legal ground

Article 12 of the patent law

It is clearly stipulated that any unit or individual who exploits another person's patent shall conclude an exploitation license contract with the patentee and pay the patentee the royalties. The licensee has no right to allow any unit or individual other than those stipulated in the contract to exploit the patent.