According to the provisions of Article 51, Paragraph 1, of the Implementing Rules of the Patent Law, an invention patent applicant shall submit a request for substantive examination and receive a notification that the invention patent application has entered the substantive examination stage issued by the Patent Administration Department of the State Council. Within 3 months from the date of application, you can actively propose amendments to the invention patent application. Therefore, you can take the initiative to make corrections within 3 months of submitting the application for substantive examination or receiving the notice of commencement of substantive examination.