What are the examination principles for the preliminary examination of an application for a patent for utility model?

Sequential examination Except in special circumstances, the examiner shall conduct examination according to the filing date of the application for a patent for utility model or the time sequence when the files of the patent application are sent to the examiner, so as to avoid that some files with more defects or difficult examination remain in the hands of the examiner for a long time, so as to ensure the smooth progress of the examination procedure for a patent for utility model. The above-mentioned special circumstances refer to the application for a patent for utility model that the applicant submitted an early or delayed examination request to the Patent Office in written form and was approved by the Director of the Patent Office. In this case, the examiner shall file the written document for future reference. The principle of written review in the review process, should be based on written documents, and the written documents filed. Except for the obvious errors of words and symbols that do not involve rights as stipulated in Paragraph 4 of Article 51 of the Detailed Rules for the Implementation of the Patent Law, the examiner shall notify the patent applicant to change the page, and store the original documents in the file, and shall not return them to the applicant. An application that requires a meeting or demonstration by a foreign applicant shall be reported to the director of the review department, and the applicant can be notified only after the director agrees; If the applicant needs to provide samples, it shall be approved by the director. The principle of proof In the examination of an application for a patent for utility model, when the examiner is ready to reject a patent application, he should have sufficient legal basis and facts to support his reasons, and should not just give a categorical conclusion. In particular, when the reasons for rejection fall into the circumstances described in Section 5.6 of this chapter, it shall be clearly stated that the time and place of public sale and public use of the same product, the name and publication date of the public publication existed before the application date, and a copy of relevant contents may be attached if necessary. The principle of hearing In the examination procedure of an application for a patent for utility model, the applicant has the right to state his opinions, requirements and opinions in the statement of opinions. When preparing to reject the patent application, the examiner must inform the applicant in advance of the reasons and the evidence supporting the reasons, and the applicant shall state his opinions on the reasons before issuing the rejection decision. The reasons in the rejection decision shall not include new reasons and/or new evidence that have not been notified to the applicant. Principle of saving procedure The examiner shall work in accordance with the examination procedure of the application for a patent for utility model, and shall close the case with the shortest procedure. When a patent application needs to be rejected, the examiner may not examine the format problem and does not need to ask the applicant to correct its defects, thus saving the time and workload of the examiner and the applicant.