When will the patent application be issued?

You can get the acceptance notice issued by the patent office on the day of application, and the time required for examination is different: it takes about seven or eight months for an appearance patent to get the authorization notice issued by the patent office. If the patent document does not meet the requirements and needs to be corrected, it can be received about five months from the date of application. It takes about one year for a utility model patent to obtain the authorization notice from the Patent Office. If the patent document does not meet the requirements and needs to be corrected, it can be received about eight months after the application. It takes about half a year for an invention patent to get a formal examination notice. If corrections are needed, this is probably the time to receive the correction notice. The time to obtain the authorization notice issued by the patent office varies according to the different fields involved in the patent, generally three and a half to four and a half years after the application.