What are the acts that constitute the crime of counterfeiting patents?

Legal analysis: the acts of counterfeiting patents include: (1) without permission, marking the patent number of others on the products or packages of products manufactured or sold by them; (two) without permission, using the patent number of others in advertisements or other promotional materials, making people mistake the technology involved for the patented technology of others; (3) Using someone else's patent number in a contract without permission, causing people to mistake the technology involved in the contract for the patented technology of others; (4) Forging or altering other people's patent certificates, patent documents or patent application documents.

Legal basis: Article 84 of the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC) The following acts are acts of counterfeiting other people's patents:

(a) without permission, mark the patent number of others on the products or product packages manufactured or sold by them;

(two) without permission, using the patent number of others in advertisements or other promotional materials, making people mistake the technology involved for the patented technology of others;

(3) Using someone else's patent number in a contract without permission, causing people to mistake the technology involved in the contract for the patented technology of others;

(4) Forging or altering other people's patent certificates, patent documents or patent application documents.