How to apply for a patent? What materials should I prepare to apply for a patent?

Patents are divided into invention patents, utility model patents and design patents. The following are the procedures for applying for three patents:

1, application procedure for invention patent:

Application-acceptance, charging-preliminary examination-substantive examination request-substantive request-granting patent right-issuing patent certificate.

2, utility model patent application procedures:

Application-acceptance, payment-preliminary examination-granting patent right-issuing patent certificate.

3, design patent application procedures:

Application-acceptance, payment-preliminary examination-granting patent right-issuing patent certificate.

Materials needed for patent application:

1. To apply for a patent for invention, the application documents shall include: the request for a patent for invention, the abstract, the appended drawings of the abstract (if applicable), the specification, the claims and the appended drawings of the specification (if applicable) in duplicate.

2. To apply for a patent for utility model, the application documents shall include: the request for a patent for utility model, the abstract, the appended drawings of the abstract (if applicable), the specification, the claims and the appended drawings of the specification in duplicate.

3. To apply for a patent for design, the application documents shall include: a request for a patent for design, pictures or photographs (color pictures or photographs shall be submitted if color protection is required) and a brief description of the design in duplicate. If pictures are submitted, two copies shall be pictures; If photos are submitted, two copies are photos, and pictures or photos shall not be mixed.