How to charge for patent exploitation?

Patent evaluation fee is generally charged according to the evaluation value, and 50% of the evaluation fee is charged. The Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC) (revised 20 1 1) adjusted the patent search report to a patent evaluation report. Patent retrieval applied after 2009 is called patent evaluation report, which was also called patent retrieval report before. According to the patent fee standard of China National Intellectual Property Administration, the patent retrieval report fee is 2400 yuan, which shall not be reduced. The agency fee shall be charged by the agency at its discretion.