The all_data_unique dataset comprises 648 093 AI‐technology patent records across 9 fields. It was extracted from proprietary patent‐office sources, cleaned, and deduplicated for Chun & Hwang (2024)¹ to serve as the foundational AI‐patent corpus in their cross‐density analysis. All records are published under the Creative Commons Attribution 4.0 International (CC BY 4.0) license and are available on Hugging Face².
Please cite Chun & Hwang (2024) when reusing this dataset:
Chun, Y., & Hwang, J. (2024). The Nexus of Artificial Intelligence and Green Innovation: A Cross-Density Analysis at the Country Level. Journal of the Knowledge Economy, 15(2), 456–478. https://doi.org/10.1007/s13132-024-02076-8
Column Description
auth Patent‐issuing authority (two-letter ISO code, e.g. “EP” for European Patent Office).
ap Patent application identifier (string), matching the unique ID assigned by the authority.
year Application year (integer, e.g. 2019).
ctry Applicant’s country of residence (ISO 3…
