How to file an international patent application in Guangzhou?

International patent application refers to the application filed under the patent cooperation treaty, also known as PCT application. PCT is the abbreviation of patent cooperation treaty, and it is an international treaty for cooperation in patent field. So how to file an international patent application in Guangzhou? How to file an international patent application in Guangzhou? I. Under what circumstances is it appropriate to file an international application? An application submitted in the manner specified in PCT is called an international application. Generally speaking, an international application is a patent application filed by a resident or national of a PCT Contracting State to protect several Contracting States. Before China joined the PCT, according to the principles of the Paris Convention, applicants could only file patent applications with foreign countries. After China joined the PCT, the applicant can also use the PCT to file an international application. When the applicant wants an invention to be protected by more than five countries (generally more than five countries), it is appropriate to use the PCT approach. Because only one international application needs to be submitted to the Chinese Patent Office through PCT, the trouble of submitting national applications to each country is avoided. It is worth pointing out that after China joined the PCT, individuals and units in China can still apply to foreign countries according to the principles of the Paris Convention. Especially when the applicant only needs to apply for a patent in one country or several countries, it is appropriate to use the Paris Convention. Second, how to file an international application of 1? First, file a patent application in China. Under normal circumstances, an individual or unit in China may first file a national application with the Chinese Patent Office after making an invention. Then, an international application is filed within the priority period of 12 months, requesting 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 apply, and make necessary preparations for filing an application. According to relevant regulations, individuals or units in China may also directly file international applications after making inventions and creations. However, in the application, China must be designated as a foreign country. 2. Preparation of application fee We know that to apply for a patent abroad, you need to pay a considerable fee to foreign patent offices and patent agents, and it is settled in US dollars. According to the practice of patent agencies, it costs an average of $4,000 to $5,000 to apply for a patent in a country. If you calculate by five countries, you need to prepare about 20,000 to 25,000 US dollars. Applicants who file international applications also need to pay the above fees (but the payment time can be delayed by 8 months to 18 months). In addition, we have to pay the fees for the international phase of PCT, including the transmission fee, retrieval fee and international preliminary examination fee charged by China Patent Office, as well as the basic fee, designation fee and handling fee charged by the International Bureau. * * * About 2000 dollars. How to file an international patent application in Guangzhou? Bian Xiao answered this question here. If you have more questions about international trademarks, you can continue to pay attention to Bajie Intellectual Property or contact us by phone.