Core patent refers to the patent corresponding to the technology that must be used to manufacture a product in a certain technical field, and cannot be circumvented by some circumvention design means.
Basic patent refers to the most original patent granted by the patent office according to the applicant's original application. It is independent and not attached to other patents. Basic patents are also called "main patents" and "leading patents".
Among the two interdependent patents, the first patent protected by patent is the basis of another patent invention, or the latter patent is an improvement on the basis of the first patent protection, while the latter is the subordinate and improved patent of the former, and the former is called the basic patent.
Extended data:
Patent applications are divided into three categories: inventions, utility models and designs. Units or individuals that apply for patents and handle other patent affairs in China may entrust a patent agency to handle them, or the applicants may handle them themselves.
According to the Patent Law, the examination and approval procedure of an application for a patent for invention includes five stages: acceptance, preliminary examination, publication, actual examination and authorization. The application for a patent for utility model or design does not undergo early publication and substantive examination in the examination and approval, and there are only three stages: acceptance, preliminary examination and authorization.
An invention patent refers to a new technical scheme proposed for a product, method or its improvement (Paragraph 2 of Article 2 of the Patent Law). It takes about 24-36 months to obtain a patent certificate for an invention patent. The applicant 1 person, the official fee: 560 yuan/piece (after the delay), two or more applicants, the official fee: 1070 yuan/piece.
Baidu Encyclopedia-Basic Patent
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