What are the search methods provided by "China Patent Index"

The four ways to search and query the patent are:

1. Query the legal status of the patent through the patent register of the State Intellectual Property Office;

2. Software Search;

3. Log in to the website of the State Intellectual Property Office and use the "Legal Status Query" function to query;

4. Publish in the State Intellectual Property Office's regulations through the "China Patent Index" Check the corresponding information in the "China Patent Gazette".

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