First, the domestic design patent information query
1. Log on to the website of China National Intellectual Property Administration, China (ipa.gov.cn/).
2. Click the "Patent Search" button on the homepage of the website to enter the patent search page.
3. Select the "design" option on the patent search page, and enter relevant query conditions, such as patent name, applicant, classification number, etc. , and then click the "Query" button.
4. The system will display the list of qualified design patents. You can click on the link of each patent to view the detailed information of the patent.
5. If you need to inquire about foreign design patent information, you can visit the patent retrieval website of the World Intellectual Property Organization (ipa.gov.cn/).
2. Click the "Patent Search" button on the homepage of the website to enter the patent search page.
3. Select the "design" option on the patent search page, and enter relevant query conditions, such as patent name, applicant, classification number, etc. , and then click the "Query" button.
4. The system will display the list of qualified design patents. You can click on the link of each patent to view the detailed information of the patent.
5. On the patent details page, you can check the validity period and protection scope of the patent to judge the validity of the patent.