Which of the following are factors to consider when analyzing retrieval problems?

Factors to consider when searching for invention patents

When searching for invention patents, do not search blindly. The search factors can consider the following points:

1. First of all, you must understand In the content of the invention, search and read the background technical information in the description. If there are some independent rights, a simple search is required;

2. Analyze the requirements of the rights and determine the basic search elements and expressive search elements;

3. When selecting a retrieval system database, you usually need to consider: A. the technical field involved in the technical solution, B. the nationality and time of the retrieved documents, C. the function of the selected retrieval system, etc.;

4. Retrieval elements The search results of different categories and keywords are combined with logical relationships as the search results for the patent;

5. Check the search results to make a preliminary judgment and adjust the search method appropriately.