At present, there are three main ways to search for patents in my country, namely: paper search, software search and online search.
1. Paper retrieval: Paper carrier is the main form of patent documents and the main object of retrieval.
Main advantages: Paper retrieval is the least error-prone and has the most evidentiary effect. However, the patent search process is inefficient, time-consuming and labor-intensive, easy to lose, and the printing and distribution cycle is long, and it is difficult to search for the latest information.
2. Software retrieval; refers to microfilm, computer magnetic media and optical disk patent document retrieval.
The main advantages of microfilm and magnetic media: patent documents occupy small space, high storage density, long storage time, and easy copying. However, the limited enjoyment limits its scope of use, and the update speed also has certain limitations.
Extended information:
1. It can evaluate the possibility of patent application being authorized.
According to a survey by foreign patent agencies, more than 66 invention patents were ultimately unable to be authorized, and the vast majority of them were due to the existence of previously published documents and lack of novelty.
2. It will help patent agents draft patent documents better.
Through the preliminary patent search before application, the necessary information required to understand the prior art can be obtained, so that the prior art can be compared, the beneficial effects and inventiveness of the application can be described, and the comparison with the prior art can be obtained. the essential difference. This is very important for future substantive examination.
3. The preliminary patent search before application will improve the application plan.
Through the preliminary search before application, you can obtain some relevant comparative documents, which are likely to contain reference points, which will help the applicant improve the technical solution and better propose the technical solution. , get the best protection effect.
Baidu Encyclopedia-Patent Search