How to sign a confidentiality contract with an agent when applying for a patent

It is mainly to declare that the agent's words, drawings and other materials cannot be copied, copied or leaked to a third party outside the patent office, otherwise the agent will bear legal compensation. Reciprocal clause, if all the information is not given to the agent, the patent application fails, and the responsibility lies with the client. Generally speaking, if there is no special confidentiality agreement, the relevant contents of the confidentiality agreement will usually be written into the agency agreement; If the agency is unwilling to sign a confidentiality agreement, there is no relevant content in the agency agreement, which only shows that it has no agency qualification or does not understand the rules. Article 4 of the Patent Law of People's Republic of China (PRC) Where an invention-creation applying for a patent involves national security or vital interests and needs to be kept confidential, it shall be handled in accordance with the relevant provisions of the state.