How long will it take for the invention patent to be granted?

Legal analysis: For invention patents, except some that need to be kept secret, general invention patents need to go through the stages of acceptance, preliminary examination, publication, actual examination and authorization announcement. In general, it will be announced within 18 months from the date of acceptance, and then the actual trial stage will be carried out. It usually takes about 3 years to get authorization, but it does not rule out a longer time. In order to speed up the period of obtaining the patent right, you can apply for disclosure in advance. After the first trial is passed, it can be made public, and then it can enter the actual trial stage, which can speed up the progress of authorization.

Legal basis: Article 22 of the Patent Law of People's Republic of China (PRC), the invention and utility model for which a patent is applied shall be novel, creative and practical. Novelty means that the invention or utility model does not belong to the existing technology, and before the filing date, no unit or individual has filed an application for the same invention or utility model with the patent administration department of the State Council, and it is recorded in the patent application documents or patent documents published after the filing date. Creativity means that compared with the prior art, the invention has outstanding substantive features and remarkable progress, and the utility model has substantive features and progress. Practicality means that the invention or utility model can be manufactured or used and can produce positive effects. The existing technology mentioned in this law refers to the technology known to the public at home and abroad before the date of application.