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The electronic patent application has been paid through the post office. When will the invoices for these expenses be received?

You can check whether the relevant fees have been paid successfully through the fee retrieval platform of the State Knowledge Bureau.

Then, the relevant expense invoice will be sent after the relevant procedures take effect.

Generally, for invention patents, the application fee is paid first, and the relevant invoices will be sent within 1 month after the application is accepted.

However, if the publication and examination of the invention patent are postponed, the invoice will not be sent until the relevant procedures are formally performed. You have to see that even if you submit an application for publication and a request for substantive examination.

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