What are the procedures and documents for applying for American invention patents?

1. file an application for a patent for invention in the United States within the prescribed time limit (if priority is required, it shall be within 12 months of the previous application); Those who enter through PCT shall file a patent application request within 30 months from the priority date (if there is no priority date, it shall be regarded as the application date);

2. When submitting a request for an American invention patent, the application fee, search fee, examination fee and surcharge (if any) shall be paid at the same time.

3. Documents submitted mainly include: English translation of application documents (specifications, claims and drawings), inventor's statement, assignment contract (if any), etc. Please find a patent agency for details.