The first question
Process: According to the provisions of the Patent Law, the examination and approval procedure of an application for a patent for invention is divided into five stages: acceptance, preliminary examination, publication, substantive examination and authorization.
Required materials
1, invention patent request
2. Instruction (if the instruction has attached drawings, the attached drawings shall be submitted)
3. Requirements
4, abstract (if necessary, there should be a summary map).
(Each of the above is in duplicate)
The second cost problem.
Invention patent: 1, application fee: 900 yuan, printing fee: 50 yuan. 2. Patent registration, printing and printing expenses: 205 yuan in total; 3. Substantive examination fee: 2,500 yuan. 4. Annual fee: 900 yuan 1-3 years, 4-6 years 1200 yuan, 7-9 years 2000 yuan,10/2 years 4000 yuan, 13 years 60000 yuan.
Third question
To apply for an American invention patent, there are three necessary conditions: object protection, novelty and creativity.
The fourth question
The basic process of applying for invention patent in the United States: 1. Prepare application documents → 2. Submit an application to the US Patent and Trademark Office → 3. Acceptance (notification of acceptance issued by the US Patent and Trademark Office) → 4. Open (the United States Patent and Trademark Office will open the patent application within 0/8 months from the date of filing) → 5. Substantive examination (The US Patent and Trademark Office conducts substantive examination of the patent application, and the applicant must notify the examination opinions.
The above is a brief overview. If you have any questions, you can search and consult intellectual property for a while.