2. The text of this Guide is divided into five parts: the first part (preliminary examination), the second part (substantive examination), the third part (examination of international applications entering the national stage), the fourth part (examination of reexamination and invalid requests) and the fifth part (patent application and transaction processing). The first, second and fourth parts are arranged in the order of the examination and approval procedures of patent applications, the third part is the specific provisions on the examination of international applications entering the national stage, and the fifth part is the general rules applicable to each procedure.
3. Each part of this guide is divided into chapters, and there are subsections under each chapter, which are divided into four grades, and are arranged in order with Arabic numerals to determine their positions. For example, in Chapter III (Novelty) of Part II of this Guide, 2. 1.2.2 (disclosure of use) is the fourth section, which belongs to the third section, and 2. 1.2 (disclosure) belongs to the second section, 2./kloc-0.
4. The contents of this guide include general catalogue and sub-catalogue. The general catalogue lists the chapter names of parts 1 to 5 and their corresponding page numbers; List the names of chapters and sections (level 4 sections * * *) and their corresponding page numbers in subdirectories. Readers can find out which part and chapter the content belongs to in the general catalogue, and then find its specific location in the corresponding subdirectory.
5. In addition to the total number of pages, this guide also uses page numbers as readers' reference. The total page number is located outside the bottom of the page, and the whole book is continuously paged; The paging page is located at the bottom center of the page, and the five parts of the guide text are paged separately, with the format of "× -×". For example, "(2- 147)" represents the second part of the guide text, page 147.
6. The text of this guide includes two columns: text description and index of laws and regulations. The former is located on the right side of each page, and the latter is located on the left side of each page. Abbreviations are used in the index of laws and regulations (see list of abbreviations). When reading the contents in the right column of the guide, readers can refer to the provisions of laws and regulations marked in the corresponding position in the left column to help them understand.