The examination fee is only paid when applying for a patent for invention, but not when applying for a utility model or design. The examination fee for invention application is 2500 yuan.
Patent registration fee After receiving the patent authorization notice and going through the registration formalities, the applicant needs to pay the patent registration fee and the announcement printing fee.
250 yuan+Stamp Duty 5 yuan
After analyzing the above contents, I believe you already know the specific costs of the national invention patent application, including the application fee, examination fee and patent registration fee. And if you get a national patent, you will have to pay an annual patent fee every year.