U.S. Patent Application

Review Process: Form Review (1-2 months) → Public (18 months) → Substantive Examination (18-24 months) → Patent Registration and Authorization

2. Review System: Actual Review System

3. Validity: 20 years from the date of application.

4. Annual Fee Payment: Maintainance fee to be paid from the 3rd to 3.5th year, 7th to 7.5th year, and 11th to 11.5th year from the date of registration.

5. Choose the tangible standard (large entity, small entity, and micro entity) for U.S. patent applications.