Legal analysis: 1. Improving the success rate can save the time of patent authorization;
2. It is conducive to applying for various government qualification certifications such as high-tech enterprises and policy funds;
3. The applicant can enjoy more patent exclusive rights and obtain more economic benefits.
Legal basis: Detailed Rules for the Implementation of the Patent Law of the People's Republic of China
Article 42 Where an application for a patent includes more than two inventions, utility models or designs, the applicant may file a divisional application with the patent administration department of the State Council before the expiration of the time limit stipulated in the first paragraph of Article 54 of these Detailed Rules; However, if the patent application has been rejected, withdrawn or deemed withdrawn, a divisional application cannot be filed.
article 43 the divisional application filed in accordance with article 42 of these rules may retain the original filing date, and the priority date may be retained if it enjoys priority, but it shall not exceed the scope recorded in the original application.
a divisional application shall go through the relevant formalities in accordance with the provisions of the patent law and these rules.
the request for divisional application shall indicate the application number and date of the original application. When submitting a divisional application, the applicant shall submit a copy of the original application documents; Where the original application enjoys priority, a copy of the priority document of the original application shall be submitted.