After the revision of the Patent Law in February 21, what is the question about one person applying for a patent for invention and a patent for utility model on the same day?

first of all, you must apply for a new invention on the same day, and you must declare it when you put it forward, that is, stating (selecting) in the request that you have applied for an invention (utility model) at the same time is equivalent to actively informing the State Administration of Information about this situation, and then the new model will generally be authorized first, and then if the invention meets other authorization conditions, you can choose to give up the new model and obtain the invention patent authorization, otherwise you can keep the new model.