If you want to apply for a patent, then you must understand what type of patent you are applying for. Then we will conduct the utility model patent review process for you this time to help us better The scope of preliminary examination of utility model patent applications. (1) Formal review of application documents, including whether the patent application contains the application documents specified in Article 26 of the Patent Law, and whether these documents comply with Article 4, Article 16, Paragraph 1, and Article 17 of the Implementing Rules of the Patent Law Article 24, Article 51, Article 52, Article 118 and Article 120. (2) Examination of obvious substantive defects in application documents, including whether the patent application clearly falls within the provisions of Article 5 and Article 25 of the Patent Law, or does not comply with Article 18 and Article 19, paragraph 1, of the Patent Law stipulations, or is obviously inconsistent with the Patent Law, Article 26, Paragraph 3 or 4, Article 31, Paragraph 1, Article 33, or Article 2, Paragraph 2, or 13 of the Implementing Rules of the Patent Law. The patent right cannot be obtained in accordance with the provisions of paragraph 1 of Article 1, Articles 18 to 23, and paragraph 1 of Article 43, or in accordance with Article 9 of the Patent Law. (3) Formal examination of other documents, including whether other procedures and documents related to patent applications comply with Articles 24, 29, and 30 of the Patent Law and Articles 7 and 10 of the Implementing Rules of the Patent Law Article 4, paragraphs 3 and 4 of Article 16, Article 31, Article 32, Article 33, Article 34, Article 37, Article 41 , Article 42, Paragraph 2 and Paragraph 3 of Article 43, Article 45, Article 86 and Article 98. (4) Review of relevant fees, including whether relevant fees have been paid for the patent application in accordance with Articles 90, 92, 93, and 97 of the Implementing Regulations of the Patent Law. 2. Examination Principles During the preliminary examination procedure, the examiner shall follow the following examination principles. (1) Confidentiality Principle During the approval process of a patent application, the examiner shall, in accordance with the relevant confidentiality provisions, bear the responsibility of keeping confidential the patent application documents that have not yet been published or announced and other content related to the patent application, as well as other information that is not suitable for disclosure. (2) Written review principle The examiner shall conduct the review based on the written documents submitted by the applicant, and the review opinions (including notice of correction) and review results shall be notified to the applicant in writing. In principle, no interviews will be held during the preliminary review procedure. (3) Hearing Principle Before making a decision to reject, the examiner should notify the applicant of the facts, reasons and evidence on which the rejection is based, and give the applicant at least one opportunity to state his opinions and/or modify the application documents. When the examiner makes a rejection decision, the facts, reasons and evidence on which the rejection decision is based should have been notified to the applicant and must not contain new facts, reasons and/or evidence. (4) Principle of procedural economy: When the regulations are met, the examiner should try to improve the efficiency of the examination and shorten the examination process. For applications with defects that can be overcome by correction, the examiner shall conduct a comprehensive review and, if possible, point out all the defects in one correction notice. For applications with substantive defects that cannot be overcome by correction, the examiner may not examine the formal defects of the application documents and other documents, and may only point out the substantive defects in the notice of examination action. In addition to following the above principles, the examiner should inform the applicant of the follow-up procedures that can be initiated when making decisions such as deemed not filed, deemed withdrawn, or rejected.