Legal analysis: Patent evaluation is an act of confirming, evaluating and reporting patent rights according to specific purposes, following fair and statutory standards and regulations, and using appropriate methods to provide value scale for asset business. The steps of patent evaluation are as follows: 1. The patentee communicates with the evaluation institution in the early stage; 2. Determine the purpose and scope of patent evaluation; 3. Negotiate charges according to national charging standards; 4. The evaluation agency sent a team to live at the scene to check the patent research and development; 5. Collect the information needed for patent evaluation, and return to the evaluation institution to write a report after collecting the patent evaluation information; 6. Issue a draft assessment report to communicate with the patentee and issue a formal version of the report to collect the remaining assessment fee.
Legal basis: Article 2 of the Patent Law of People's Republic of China (PRC) Invention-creation as mentioned in this Law refers to inventions, utility models and designs. Invention refers to a new technical scheme proposed for a product, method or its improvement. Utility model refers to a new practical technical scheme for the shape, structure or combination of products. Appearance design refers to a new design with aesthetic feeling and suitable for industrial application based on the shape, pattern or combination of products and the combination of colors, shapes and patterns.