Will the Patent Office be responsible for the authenticity and validity of patents?

Responsible. The Patent Office of the People's Republic of China (hereinafter referred to as the China Patent Office) is a directly affiliated institution in charge of patent work and overall coordination of foreign-related intellectual property affairs in the State Council. The State Patent Office and the Patent Reexamination Board are responsible for patent authorization and patent validity examination, and the people's courts are responsible for patent protection. So the patent office is responsible for the validity of the patent. Patent refers to inventions protected by the patent law, that is, patented technology, which is a proprietary technology recognized by the state and protected by law on the basis of publicity.