typical patent application costs for filing US patent in China
The PCT application process must be carried out by a patent agent or attorney designated by the PAD of SIPO. (See the All-China Patent Agents Association website for more information about finding a SIPO-authorised patent agent). The cost for filing patent application in a single country is roughly $6,450 (US dollars).B. Filing Patent Application in China by International Inventors This process has to be carried out by an authorised patent agent or attorney designated by the PDA of SIPO.See the All-China Patent Agents Association website for more information about finding a SIPO-authorised patent agent). The cost for filing patent application in a single country is roughly $6,450 (US dollars).