There's a lot to know. First of all, it is most basic to know what can and can't be applied for and what kind of patent to apply for. Furthermore, it is necessary to understand the local patent subsidy or incentive policy, because applicants often value it.
economic cost
At the same time, you need to know your own quotation and the quotation of your peers, so that you can
readjust prices
Quotations and so on.