Why can a patent be granted even if there is no reply to the patent examination opinion?

Because the Patent Office will make the final examination result based on the applicant’s response and evidence, as well as the evaluation of the patented technology. During the examination process, the applicant can propose modifications or defense opinions based on the examination opinion, explain to the Patent Office its technological innovation points and characteristics that distinguish it from the existing technology, or provide other evidence to support its patent application. The Patent Office will make the final review result based on the applicant’s response and evidence, as well as its evaluation of the patented technology. Therefore, even if the applicant does not respond to the Office Action or does not make modifications in full compliance with the Office Action, it is still possible to obtain patent authorization. The final authorization is related to the technical innovation of the patent application, the requirements stipulated in the patent law and the patent office's review results.