Three major ‘remedial’ systems taken from the PCT Regulations have been introduced in the third revision of the Implementation Regulations of the Chinese Patent Law in 2023 (hereinafter referred to as the “Implementation Regulations”). We previously discussed one of these remedial systems, Incorporation by Reference based on Rule 45 of the Implementation Regulations, which allows an applicant to rectify missing documents or parts of the document two months from the filing date. In this article we will be focusing on the other two new systems—the restoration of the right of priority and the addition or correction of a priority claim, namely new Rules 36, 37 and 128. Prior to the…