The basis of patent right

According to China's patent law, the claim is the main basis for determining the scope of patent protection, and the following statement is correct ().

A. An application for a patent for invention must have at least two claims.

B. An application for a patent for utility model does not need to submit a claim.

C. to apply for a patent for design, you need to submit a claim.

D there is at least one independent claim in the claims of an application for a patent for invention.

Look at the answers and analyze the correct answer D.

The claim of an application shall contain at least one independent claim, and shall be written before the subordinate claim of the same invention or utility model. (P 159)

Knowledge points of this topic: patent application documents,