The substantive examination belongs to the second stage of trademark registration application, that is, the trademark has been formally examined and the application date has been reserved by the trademark system.
You can use the trademark in the substantive examination, but you should pay attention to the way of use-you can mark "TM" to indicate that the trademark is being applied, or you can mark the words or patterns as your trademark; However, the registered trademark "R" cannot be used, and the industrial and commercial bureau will consider it a counterfeit registered trademark and impose a corresponding fine.