(1) manual retrieval
1, classified retrieval, China Patent Bulletin or China Patent Classification Index can be used for classified retrieval. The steps are to determine the international patent classification number first, and then browse the relevant abstracts or indexes.
2, the applicant and the patentee's search.
3, number retrieval, searchers should use different numbers according to different query purposes.
(2) Computer retrieval
We should choose different China patent retrieval database systems, use retrieval methods such as fields, wildcards, general logical combinations, adjacent words, * * * * storage, scope and cross-field logical combinations, and use different retrieval strategies to retrieve all kinds of China patent information according to different retrieval purposes.
(c) China patent legal status search.
1, using the "bulletin" to inquire about the legal status.
2. Use the register of China Patent Office to inquire about legal status.
What is the examination of patent application form?
(a) mainly review whether all kinds of application documents are complete, whether the prescribed format is used, and whether the documents are written in the prescribed format. This part of the review does not involve technical content, and the review contents mainly include:
(2) Whether the patent request conforms to the prescribed format and meets the requirements;
(3) Whether the writing of the description, its abstract and the claims conform to the prescribed formal requirements, and whether the appended drawings conform to the requirements of the appended drawings;
(four) if the applicant entrusts a patent agency to handle the patent application, whether there is a power of attorney;
(5) Whether the application for a patent by a foreigner who has no habitual residence or business office in China complies with the provisions of the Patent Law and whether he is qualified to apply for a patent in China;
(6) Whether the foreign applicant entrusts a prescribed foreign-related patent agency to handle its patent application or other patent affairs;
(seven) whether the application fee has been paid.
Legal basis:
patent law of the people's republic of china
Article 26 Where an applicant applies for a patent for invention or utility model, he shall submit the written request, specification and its abstract, patent right and other documents.
Article 34 After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it after 18 months from the date of filing. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.
Article 35 Within 3 years from the date of filing, the administrative department for patent in the State Council may, upon the request of the applicant at any time, make a substantive examination of the application; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn.
Article 39 If the application for a patent for invention is not found to be rejected after substantive examination, the administrative department for patent in the State Council shall make a decision to grant a patent right for invention, issue a patent certificate for invention, and register and announce it at the same time. The invention patent right shall take effect as of the date of announcement.