Confidentiality agreement, mainly not to copy, copy or disclose the agent's words, drawings and other information 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.