1, Baidu search China National Intellectual Property Administration;
2. In the search results, select the website with the words official website, and click to enter the home page of official website, China National Intellectual Property Administration;
3. On the homepage of China National Intellectual Property Administration, official website, find the government service platform in the top taskbar;
4, and then click on the government service platform, enter the government service platform page;
5. Move the mouse pointer to the patent office (don't click) and find the patent search query in the patent extension;
6, and then click on the patent search query, find the announcement query in the patent search query extension;
7, in the announcement query box, enter the patent number or patent related keywords, and then click click query;
8. Then the query results will appear, and the patent number query will be completed.
The patent number has the following functions:
1. differentiation function: it can distinguish similar products of other enterprises from their own products to avoid confusion among consumers;
2. Warning function: Since patents are protected by national laws, no one may copy and sell them without permission;
3. Advertising function: Consumers usually think that products marked with patent marks or patent numbers are superior to similar traditional products in technical performance and use function, so they will trust the quality of products and expand their market share.
laws and regulations
patent law of the people's republic of china
Article 59 The scope of protection of the patent right for invention or utility model shall be subject to the contents of the claims, and the description and drawings may be used to explain the contents of the claims. The scope of protection of the patent right for conceptual design shall be based on the design of the product shown in the picture or photograph, and the design of the product shown in the picture or photograph may be briefly explained. Article 42 The term of patent right for invention is 20 years, the term of patent right for utility model is 10 year, and the term of patent right for design is 15 year, all of which are counted from the date of application.
Where a patent for invention is granted for four years from the date of application for a patent for invention and three years from the date of request for substantive examination, the patent administration department of the State Council shall, at the request of the patentee, compensate for the unreasonable delay of the invention patent in the process of authorization, except for the unreasonable delay caused by the applicant.
In order to compensate for the time occupied by the review and approval of new drugs, the patent administration department of the State Council shall compensate the patentee for the patent term of new drug-related invention patents that have been approved for listing in China. The compensation period shall not exceed five years, and the total effective patent right period after the new drug is approved for marketing shall not exceed fourteen years.