According to the current patent review and authorization progress, invention patents generally take 1.5-3 years or even longer to be authorized, and utility model and design patents generally take 6 months to authorize. Relatively long. At the same time, in order to ensure the authorization of invention patent applications and speed up the authorization process, necessary communication and meetings are sometimes required. Invention patent application review time: The invention patent acceptance time is generally one month. The review cycle for invention patents is generally 2-3 years. The preparation time for patent application documents depends on the complexity, and generally does not exceed one week.