Do pcr patents need to be paid to the United States?

The pcr patent should be paid to the United States. The official fee for applying for a US patent, including the filing fee, search fee and examination fee, is ***462 USD. Because the fees charged by the U.S. Patent Office are calculated by multiplying the total time for processing patents by the hourly fees of patent lawyers, the fees are not fixed. The U.S. Patent Office will start formal examination again. American stage: American lawyer's fee plus official fee starts from $4,000. In addition, domestic agents charge an agency fee of 6000 RMB+Chinese-English translation fee. American lawyers are mainly responsible for the formal examination and preparation of documents, and the substantive part of the application is still completed by domestic agents. The total cost from application to authorization is about 7500-8500 dollars.