How long does it take for the patent substantive examination to take effect
There is no clear regulation on how long it will take for the patent substantive examination to take effect. It depends on the review. schedule.
For invention patents, except for some invention patents that need to be kept confidential, general invention patents need to go through the stages of acceptance, preliminary examination, publication, practical examination and authorization announcement. Under normal circumstances, since An announcement will be made 18 months after acceptance, and then the actual review stage will take place, but longer time is not excluded. In order to speed up the time limit for obtaining patent rights, you can apply for early publication, so that after passing the preliminary examination, it will be announced and then enter the practical examination stage, which can speed up the authorization process. In addition, in some special circumstances, you can also request for accelerated review, but the procedures are more complicated and the fees will be higher.
For utility models and exterior designs, it is necessary to go through During the acceptance, preliminary examination and authorization announcement stages, since no substantive examination is required, the time for obtaining authorization for utility models and industrial designs is relatively short, generally between 6 and 10 months.
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