How much is the patent application fee in the United States?

1. How much does it cost to apply for a patent in the United States? American patents are divided into invention patents and appearance patents. Large and small entities, 5.5 yuan RMB (large entity) and 50,000 RMB (small entity) invention patents are protected for 20 years. 14 years of design protection, 27,000 RMB (large entity) and 22,000 RMB (small entity) US patents have been substantially examined, and there are uncertainties in the later period. There are three ways to apply for a patent in the United States: 1 if there are defense, correction and extra expenses. Apply for a patent directly in the United States (in the Chinese Patent Office, it is necessary to conduct a confidentiality review in advance, and it can be done after the confidentiality review is passed. 2. Apply for a patent in the United States through the Paris Convention (the priority is only 12 months); 3. Apply for a patent in the United States through the PCT Patent Cooperation Treaty (priority can reach 30 months). American patent application channels: when applying for American patents, there are more channels than domestic patent applications. When applying for a US patent, there are generally two options. According to American patent application channels and required documents, the earlier application is an invention or utility model, and the application channels include Paris Convention and Patent Cooperation Treaty (PCT). 1. Paris convention method: after the application in China, you can enjoy the priority treatment by filing a patent application with the US Intellectual Property Office from the date of the first prior patent application (i.e. the priority date) and before the expiration of 12 months, and you need to submit the priority certificate. Documents and materials required for application: (1) Application documents: including specification, claims, drawings of specification, abstract and drawings of abstract; (2) Application information: Chinese and English names, addresses and postal codes of the applicant and inventor, country of application, contact person, etc. ; (3) priority information (4) power of attorney; Second, the way of Patent Cooperation Treaty (PCT): PCT is the English abbreviation of Patent Cooperation Treaty, which is an international treaty related to patent application. According to the provisions of the PCT, the applicant can submit an international application through the PCT channel and designate to apply for a patent in almost all countries in the world, that is, to file a PCT international application in China National Intellectual Property Administration, China within 12 months from the filing date (priority date) of the earlier application in China, and to file an entry application in the US Intellectual Property Office within 30 months from the priority date. To sum up, companies in China may focus on the United States, where trade profits are relatively high, while expanding their sales scope. However, due to the different regulations of patent protection in different countries, in order to protect our products from being registered in the United States, we need to apply for patent registration in the United States in advance, and the cost will change due to various factors, which needs to be calculated in combination with the actual situation.