How long does it take for an invention patent to be authorized?

At present, patent review is relatively fast. As long as the relevant fees are paid in time and the patent office’s review opinions are processed in a timely manner, the patent authorization time will be relatively fast:

1. Appearance patent: application fee is timely Payment (including timely processing of license renewal), authorization within 3-5 months;

2. Utility model: timely payment of application fee (including timely processing of license renewal), authorization within 4-8 months;

3. Invention patents: Application fees and examination fees are paid in a timely manner (including timely defense of examination opinions). The patent can be authorized in about 2 years after passing the examination. If the patent fails the examination, it cannot be authorized.