Chinese patent in Google patent public data

Research-ready Chinese invention patent dataset (1985-2024) from Google Patent Public Data, including: (1) 25.4 million processed patent records in 13 relational tables, (2) GPPD-ADCP Master Key—a validated crosswalk with official CNIPA records, and (3) open-source processing scripts. The dataset has been systematically validated against the official CNIPA authority file, achieving 99.96% coverage rate.

搜集汇总

背景与挑战

背景概述

该数据集是来自Google专利公共数据的研究就绪型中国发明专利数据集，覆盖1985-2024年，包含2540万条处理后的专利记录，组织为13个关系表。它提供了与官方CNIPA记录交叉验证的GPPD-ADCP主键，验证覆盖率达99.96%，确保了数据的准确性和可靠性。