The general term of invention patent authorization is 2-3 years. The examination process is to send a notice of preliminary examination in about 3 months and a notice of preliminary examination in 6 months. It takes about 1.5 years to issue the first notice of examination opinions, and it takes about 2 years to get the patent certificate. The technical fields of invention patents are wide, and the review period of different technical fields is quite different. The fast field may exceed 1 year, and the slow field will take 3 years or even longer.
If it is urgent, there are some urgent channels, and the closure period can be more than doubled.
The process of patent application will be relatively complicated, and enterprise application will be time-consuming and laborious. If the enterprise is inexperienced in patent application, you can consult the intellectual property consultant of the platform online, and we can provide efficient patent acquisition scheme according to your needs.