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Three Types of Patent
Invention means any new technical solution relating to a product, a process or improvement thereof.
Utility model means any new technical solution relating to the shape, the structure, or their combination, of a product, which is fit for application.
Design means any new design of the shape, pattern, or their combination and the combination of color and shape or design, of a product, which creates an aesthetic feeling and is fit for industrial application.

Term of Validity
Duration of patent right for invention is 20 years from the filing date in China.
Duration of patent right for utility model and design is 10 years from the filing date in China.

Annuity
The subsequent annuity shall be paid in advance before the expiration of the preceding year.