Before the patent application, the official unlocking website is

What is a patent inquiry website? Before applying for a patent, it is best for an applicant to inquire about the patent he has applied for and find out whether he has applied for a similar patent. What is the patent inquiry website? Patent inquiry website What is a patent inquiry website? China National Intellectual Property Administration, China website. (1) field retrieval: the system provides 16 retrieval fields. Users can choose from 16 search items according to known conditions, and can perform single-field search or multi-field limited search. Each search field can be searched by fuzzy method, and any letter, number or word can be represented by% (which must be in half-width format); Multiple fuzzy character can be used, and that first position can be omit anywhere the search string is entered. (2)IPC classification retrieval IPC classification navigation retrieval refers to the use of various departments, categories and subcategories in the IPC category table to gradually query the categories of interest, and click on the names of such categories to get the patent retrieval results under this category (except design). IPC classified navigation retrieval also provides keyword retrieval, that is, keyword retrieval is carried out within the scope of invention names and abstracts under a certain category to improve the retrieval accuracy. What is a patent inquiry website? For more information, please call Bajie Intellectual Property Online Customer Service. Bajie Intellectual Property Intellectual Property Focus: the business direction of trademark, patent, copyright, domain name and other intellectual property rights. The main business includes conventional intellectual property rights, foreign-related intellectual property rights and intellectual property transactions. Internet plus's dark horse enterprises in intellectual property industry.