Legal analysis: 1. The protection period of the patent right obtained according to the patent application before 1992 12 3 1 is applicable to the original patent law, that is, the protection period of the invention patent is 15 years from the date of filing; The term of protection of utility model patents and design patents is five years from the date of application, and the patentee may apply for renewal three years before the expiration. 2. 10 After 0993+65438+65438, the protection period of the patent right obtained according to the patent application is applicable to the revised patent law, that is, the protection period of the invention patent is 20 years from the date of application; The protection period of utility model patent and design patent is 10 year from the date of application.
Legal basis: Article 3 of the Patent Law of People's Republic of China (PRC), the State Council Patent Administration Department is responsible for the management of patent work throughout the country; Accept and examine patent applications in a unified manner and grant patent rights according to law. The departments for patent administration under the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall be responsible for patent administration within their respective administrative areas.