Patent Types
Invention, Utility model, Design
Tips: In the application number, the first 4 digits represent
the year in which the patent application is accepted, and the 5th
digit represents the type of patent application: 1 - invention, 2 - utility
model, 3 - design, 8 - invention patent (PCT International
application entering the Chinese national phase), 9 - utility model
(PCT International application entering the Chinese national
phase).
Term of Protection
Invention, 20 years from the filing date
Utility model, 10 years from the filing date
Design, 10 years from the filing date (for applications filed
before June 1, 2021)
15 years from the filing date (for applications filed on or
after June 1, 2021)
