What conditions do I need to meet when applying for patent division?

To apply for patent division, the following conditions must be met: 1. To file a divisional application, one patent applied by the applicant must include two or more inventions, utility models or designs; 2. The divisional application must be filed within two months from the date when the patent administrative department of the State Council issues the patent authorization notice, and the period exceeding two months shall be deemed as giving up the divisional application; 3. If the filed patent application is rejected, withdrawn or deemed withdrawn, the applicant cannot file a divisional application; 4. Where the administrative department for patent in the State Council considers that the application documents submitted by the applicant do not meet the requirements or partially do not meet the requirements, the applicant shall be designated to make amendments and supplements within the prescribed time limit. If the applicant fails to reply at the expiration of the time limit, he may not file a divisional application; 5. A patent applied by division shall not change the category of the original patent application. Article 42 Detailed Rules for the Implementation of People's Republic of China (PRC) Patent Law Article 54 Detailed Rules for the Implementation of People's Republic of China (PRC) Patent Law.