What documents are required for applying for a patent in mainland China?
To apply for an invention patent or a utility model, an application should follow the principle of first-to-file, and a request, a description and its abstract, and claims of the patent should be submitted.
To apply for a design patent, an application should follow the principle of first-to-file, and a request and drawings or photographs of the design should be submitted, and the product incorporating the design and the product category to which that product belongs shall be indicated.
To learn more details, please check with SIPO at http://www.sipo.gov.cn/zhfwpt/zlsqzn_pt/zlfssxzjsczn/index.htm .