When patent applicants submit applications to the National Intellectual Property Administration, they are required to provide address information. The authority verifies the accuracy of this information before proceeding to subsequent stages. Additionally, precise address records enable efficient contact with enterprises and responsible parties regarding patent-related matters, making accurate address documentation essential.
Beyond facilitating communication with applicants, address data in patent records supports the analysis of regional invention and innovation activity levels. However, statistical efforts are often hindered by non-uniform reporting standards for address information.
To assist academic research, CnOpenData has meticulously parsed address data of Chinese patent applicants, standardizing entries to street-level granularity and appending latitude and longitude coordinates. This comprehensive dataset provides robust support for relevant studies.
Time Span
1985-2024
Field Description
Sample Data
Chinese Invention Patent Application Address Information Table
Chinese Authorized Invention Patent Address Information Table
Chinese Utility Model Patent Address Information Table
Chinese Design Patent Address Information Table
Relevant Literature
- Josh L. and Amit S. 2021, "The Use and Misuse of Patent Data: Issues for Finance and Beyond", The Review of Financial Studies.
- Kou Zonglai and Liu Xueyue, 2020: "Patent Activities of Chinese Enterprises: Stylized Facts and Impacts of Innovation Policies", Economic Research Journal (《经济研究》) No. 3.
Data Update Frequency
Annual Updates