How long can patents for inventions and utility models be granted?

1. Generally, the payment date after the patent for utility model is accepted shall prevail, and it takes about 6- 18 months to qualify. After paying the license fee and annual fee, it takes about 1 month to apply for a license;

2. After the invention patent is generally accepted, it will take about 65,438+0-2.5 years to be authorized. In order to speed up the acquisition of patent rights, we can apply for publicity in advance, so that it will be announced after the preliminary examination and then enter the actual trial stage, which can speed up the progress of authorization.