The geographical restrictions of patents are limited to different countries or between Chinese mainland and Taiwan Province Province, and there are no restrictions in China. If you apply in the patent office, your software patent can only be protected in China.
Where an individual applies for a patent, it shall not exceed 1000 yuan; If it is an enterprise application, you need to entrust a patent agency, which may cost 7000.8000 yuan, mainly depending on the price of the agency you entrust.