During the international phase of the application, after receiving the international search report, the applicant may make modifications to the claims in accordance with Article 19 of the Patent Cooperation Treaty. The modifications shall be submitted to the International Patent Office within the prescribed time limit. Bureau proposed. During the international preliminary examination process, the applicant may also make modifications to the description, drawings and claims in accordance with Article 34 of the Patent Cooperation Treaty. Modifications must be submitted to the International Preliminary Examining Authority. The above procedure is called modification in the international phase.

Legal Basis

Article 109 of the "Patent Law Implementing Rules", for international applications that require utility model patent rights, the applicant may go through the procedures for entering the Chinese national phase. Within one month from the date of submission of the revised description, drawings and claims to the Patent Administration Department of the State Council; for an international application requesting to obtain an invention patent right, the invention patent applicant shall, within 3 months from the date of filing the notice of the substantive examination stage, You can actively propose amendments to your invention patent application, and the above amendments are called national phase amendments.