How to verify the stamp duty on patent transfer

According to Article 2 of the Provisional Regulations on Stamp Duty in People's Republic of China (PRC), the following documents are taxable:

(a) purchase and sale, processing contracts, construction contracts, property leasing, cargo transportation, warehousing, loans, property insurance, technology contracts or documents of a contractual nature;

(2) Transfer of property rights;

(3) Business account books;

(4) Rights and licenses;

(5) Other tax vouchers determined by the Ministry of Finance.

The stamp duty on the transfer of property rights shall be paid at five ten thousandths.