Preliminary examination is generally rejected because the invention or utility model for which the patent is applied for does not possess novelty, inventiveness or utility, and there are problems with the design or use of the patent. The reasons for rejection during the substantive examination are that the patent does not conform to the contents of the patent specification or exceeds the scope, the type of application does not conform to the patent or the patent belongs to the subject matter for which the patent is not granted.
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