If you request fee reduction, you should truthfully fill in your annual income in the fee reduction request and submit the annual income certificate issued by your unit.
Patents are generally documents issued by government agencies or regional organizations representing several countries according to their applications. This kind of document records the contents of the invention and creation, and in a certain period of time, it has produced such a legal state that the patented invention and creation can only be implemented by others with the permission of the patentee.