It mainly refers to the preparation materials in the preparation stage of application documents, including the information of patent applicants and inventors, contact information and patent application text (if an agency is entrusted, the enterprise will prepare a technical disclosure, and the agency is responsible for writing the patent application text).
In the preliminary stage, you may also receive a formal notice of correction or review opinions, and make a corresponding reply. If the patent authorization stage is successful, the official will issue an authorization notice; if it is not successful, it may be rejected.
In addition to the above, the application process of utility model patent will involve different matters needing attention in different industries. If you need to know more, you are welcome to be a senior patent agent on the online consulting platform.