When applying for a patent, the agent who started looking for it completed the preliminary examination and publicity. Now, do you want to submit the substantive examination yourself? Do I have to go t

But your substantive examination fee, 750 yuan, whether you entrust an agency or not, should be a formal fee paid to the Patent Office. The agency fee of 2000 yuan usually includes the fee for submitting substantive examination and responding to opinions during the substantive examination. The substantive exam is not over yet, and there are still many things to deal with. It is particularly important to note that there is a time limit for each reply. If you do it yourself, don't miss the time limit.