Legal analysis: the steps of invention patent value evaluation are as follows: first, the patentee communicates with the evaluation institution in the early stage; Secondly, determine the purpose and scope of patent evaluation, and negotiate fees according to national charging standards; In addition, the evaluation agency sent a team to the site to inspect the patent research and development, collect the information needed for patent evaluation, and return it to the evaluation agency to write a report after collecting the patent evaluation information; Then issue a draft evaluation report and communicate with the patentee; Finally, the official version of the report will be issued and the remaining assessment fee will be charged. Patents are generally documents issued by government agencies or regional organizations representing several countries according to their applications. This kind of document records the content of the invention, and creates a legal state in a certain period of time, that is, patent invention-creation can only be implemented by others with the permission of the patentee.
Legal basis: Article 49 of the Patent Law of People's Republic of China (PRC). If the invention patent of state-owned enterprises and institutions is of great significance to the national interests or public interests, the relevant competent departments of the State Council and the people's governments of provinces, autonomous regions and municipalities directly under the Central Government may decide to popularize and apply it within the approved scope, allowing designated units to implement it, and the implementing units shall pay royalties to the patentee in accordance with state regulations.