Conditions that need to be met for patent application fee reduction: when an individual applies for a patent, the average monthly income in the previous year is less than 3,500 yuan. When an enterprise pays patent fees, it should be exempted if the taxable income in the previous year was less than 300,000 yuan. Public institutions, social groups and non-profit scientific research institutions. If the patent applicant or patentee is an individual or entity, the specific fee shall be reduced by 85%. If two or more individuals or units are *** the same patent applicant, or *** the same patentee, the specific fee will be reduced by 70%