First of all, if the invention is not authorized, it proves that it has not gone through the novelty search comparative analysis and review by the National Bureau.
So, a novelty search and appraisal is required. I don’t know where you are from, and this Which level does the requirement apply for?
To be specific, you contact a qualified novelty search unit to issue you a scientific and technological novelty search report. The conclusion is that your patent has novelty, creativity, etc.