1. How to collect the patent value evaluation fee? Patent evaluation fees are generally charged according to the evaluation value, and 1% of the evaluation fee is charged. Patent evaluation is an act of confirming, valuing and reporting patent rights according to specific purposes, following fair and statutory standards and procedures, and using appropriate methods to provide value scale for asset business. Because it can be authorized without substantive examination, utility model and appearance patents are considered to be unstable and "gold content" is not high. And if you get a positive patent evaluation report issued by the Patent Office, it means that the patent has been once again authorized by the State Patent Office, and the stability and gold content of the patent will be further recognized. 2. What are the methods of patent value evaluation? 1. Cost method Cost method refers to the method of determining the value of assets by deducting depreciation according to the current replacement cost of the assets being evaluated. The replacement cost value of technology refers to calculating the cost value according to the current conditions and current price standards, and according to the manpower, material resources, amount of funds, testing requirements and publicity of activities in the past. This cost value is the present value of replacement cost. It mainly consists of the following elements: development cost, technical inspection cost and technical publicity cost. 2. Market Method Market method refers to the method of selecting a number of identical or similar assets as reference objects in the market, comparing and adjusting the evaluated assets with the reference objects according to various factors affecting the value, and then comprehensively analyzing the results of various adjustments to determine the asset value. When applying the market method as an evaluation method, we should have a fully active market, comparable reference objects and public information. At present, China's technology market is still in the primary stage, with small market transaction volume, unstable market environment and incomplete technical information and materials related to transactions. Moreover, due to the creativity and novelty of technology itself, it is generally difficult to find the transaction information of technical assets that can be referenced in the open market, and the application of market method has certain limitations in technical evaluation. 3. Income method Income method refers to the method of determining the value of assets by estimating the future income of the assets being evaluated and converting it into present value. To sum up, a patent is a kind of intellectual property rights, and shareholders can make capital contribution by virtue of the patent in their hands, which is a technology shareholding. It is necessary to evaluate the patent value before the capital contribution, so as to determine the capital contribution and shareholding ratio. At present, many professional institutions engaged in patent value evaluation basically charge 1% of the evaluation value.