To search for information about a patent, use

To search for relevant information about a patent, you can use the following methods:

(1) Manual search

1. Classification search, you can use the China Patent Bulletin Or use the Chinese Patent Classification Index to perform a classification search. The steps are to first determine the international patent classification number, and then browse the relevant abstracts or indexes.

2. Search for applicants and patentees.

3. For number retrieval, the searcher should use different numbers according to different query purposes.

(2) Computer search

A variety of Chinese patent search database systems should be selected, using fields, wildcards, general logical combinations, adjacent words, ***storage, Search methods such as scope and cross-field logical combination use different search strategies according to different search purposes to search various Chinese patent information.

(3) China Patent Legal Status Search

1. Use the "Official Gazette" to check the legal status.

2. Use the China Patent Office registration book to check the legal status.

What to look for in the formal examination of a patent application

(1) Mainly to examine whether various application documents are complete, whether the prescribed format is used, whether the document is written in the prescribed form, etc. , this part of the review does not involve technical content, the review content mainly includes:

(2) Whether the patent request uses the prescribed format and whether the filling in meets the requirements;

(3) ) Whether the description, abstract and claims are drafted in compliance with the prescribed formal requirements, and whether the drawings meet the drawing requirements;

(4) If the applicant entrusts a patent agency to handle the patent application, whether there is Letter of attorney;

(5) If a foreigner who does not have a habitual residence or business office in my country applies for a patent, whether it meets the requirements of the Patent Law and whether he is qualified to apply for a patent in my country;

(6) Whether the foreign applicant has entrusted a prescribed foreign-related patent agency to handle its patent application or other patent matters;

(7) Whether the application fee has been paid, etc.

Legal basis:

"Patent Law of the People's Republic of China"

Article 26 To apply for an invention or utility model patent, you must submit Documents such as request, description, abstract and claims.

Article 34: After the patent administration department of the State Council receives an invention patent application and determines upon preliminary examination that it meets the requirements of this Law, it shall publish it immediately after eighteen months from the date of application. The patent administration department of the State Council may publish the application as early as possible upon the applicant's request.

Article 35 Within three years from the date of application for an invention patent, the patent administration department of the State Council may conduct a substantive examination of the application based on the request made by the applicant at any time; the applicant fails to make the request within the time limit without justifiable reasons. If the application is subject to substantive examination, the application will be deemed to have been withdrawn.

Article 39: If no reason for rejection of an invention patent application is found after substantive examination, the patent administration department of the State Council shall make a decision to grant the invention patent right, issue an invention patent certificate, and register and announce it at the same time. The invention patent right shall take effect from the date of announcement.