Is the proportion of equipment patent fee to the total price appropriate?

Patent fees are generally calculated according to the price of patent license or the amount of infringement compensation made by the court after infringement disputes occur. But if it doesn't belong to the above two kinds, you can refer to the research and development cost and implementation cost of this technology to calculate the patent fee. As long as it is well founded, the calculation method is reasonable. There is no proportional requirement and no relevant system.