How long is the protection period of the invention patent approved after 1993?

1992 article 45 of the revised patent law stipulates that the term of invention patent right is 20 years, and the term of utility model patent right and design patent right is 10 year, counting from the date of application.

1992 The revised Patent Law shall come into force as of 1993 1.

Therefore, the protection period of the invention patent authorized after 1993 is 20 years, counting from the date of application.

In addition, according to Announcement No.80 of China National Intellectual Property Administration, the invention patent right filed in the former China Patent Office before 1992 12 3 1 and valid until 200121is extended to 20 years from the date of application.