How to file a PCT international application? An international patent application is when the applicant obtains patent protection for an invention in a contracting country of the Patent Cooperation Treaty and submits it to the patent authority of a contracting country in accordance with the prescribed procedures. Patent application filed. If you need professional patent services for PCT international application, Bajie Intellectual Property can help you! Bajie Intellectual Property's intellectual property business is developing rapidly, focusing on trademarks, patents, copyrights, domain names and other intellectual property business directions. Bajie's intellectual property patent application and patent transfer agency services are recognized by the industry. You have patent transfer and patent application transaction needs. , please consult Bajie Intellectual Property Customer Service immediately. How to file a PCT international application? 1. First file a Chinese patent application. Under normal circumstances, Chinese individuals or entities can first file a national application with the Chinese Patent Office after making an invention. Then, file an international application within the 12-month priority period and claim priority. In this way, the applicant has 12 months to consider whether it is necessary to apply for a patent in a foreign country, how to file the application, and make necessary preparations for filing the application. According to relevant regulations, Chinese individuals or entities may directly file an international application after making an invention. 2. Prepare application fees. We know that applying for a patent in a foreign country requires paying a considerable amount of fees to foreign patent offices and patent agents, and they are settled in US dollars. According to the practice of patent agencies, it currently costs an average of US$4,000 to US$5,000 to apply for a patent from a country. If you count five countries, you will need to prepare approximately US$20,000 to US$25,000. Applicants filing international applications also need to pay the above fees (but the payment time can be deferred for up to 18 months). In addition, the PCT international phase fee must be paid, which includes a transmission fee and a search fee of about 2,000 yuan (RMB) levied by the China Patent Office and an international application fee of 1,400 Swiss francs levied by the International Bureau. If the applicant continues to request international preliminary examination (This procedure is optional), you must also pay an international preliminary examination fee of 1,500 yuan levied by the Chinese Patent Office and a handling fee of 200 Swiss francs levied by the International Bureau. If the international application is filed by a Chinese individual, the fees levied by the International Bureau can be reduced by 75%. 3. Applicants who entrust a patent agency to file an international application must entrust a specified patent agency. The patent agency will help applicants fill in various forms, modify application documents, and submit application documents to the China Patent Office, pay fees and handle various procedures.