In order to comply with the implementation of the Stamp Tax Law of the People's Republic of China, the CNIPA will stop the collection of stamp taxes involving patent certificates and integrated circuit layout designs registration certificates from July 1, 2022 (inclusive).
In order to better protect the rights and interests of the right holders, for the overpaid, wrongly paid and double-paid stamp taxes within 3 years from the date of payment, the relevant right holders are requested to submit an observations (about the fees) as soon as possible to go through the refund procedures.
According to the relevant business processing procedures, the patent applications for registration after June 15, 2022 (inclusive) will be issued after July 1, 2022. Therefore, stamp tax is not required for registrations completed after June 15, 2022 (inclusive).
(Source: China Patent Electronic Application Website)