There are two situations: A. The applicant for an invention patent can proactively propose modifications to the description, claims and drawings under the following circumstances:
(1) The applicant requests that they be modified When applying for substantive examination;
(2) If a substantive examination request is requested at the same time as the application is submitted, within 3 months after receiving the notice of entering into the substantive examination procedure from the China Patent Office< /p>
(3) Within one month after the PCT international application enters the Chinese national phase;
B. A utility model or design patent applicant may apply for a utility model or design patent within 2 months from the date of application. Proactively propose amendments to new model or design patent applications.
All modifications shall not go beyond the scope of the description, claims and drawings of the original application.