An invention patent applicant may apply for an invention patent when submitting a request for substantive examination and within 3 months from the date of receipt of a notice from the Patent Administration Department of the State Council that the invention patent application has entered the substantive examination stage. Offer to make changes.
Applicants for utility model or design patents may proactively propose modifications to their utility model or design patent applications within 2 months from the filing date.
After submitting the correction, the examiner will review whether the document is qualified. This procedure was not available before the correction. Therefore, corrections will delay early authorization.