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Description
Patent records from China covering a 40-year period from 1985 to 2025. The dataset is hosted on Kaggle, but the specific source, author, and detailed contents are not provided in the metadata. Columns, sample data, and file formats are currently unknown.
Use Cases
Analyze temporal trends in Chinese patent filings across technology sectors (inferred from domain, verify after download)
Train a model to classify patents by technology category using text and metadata (inferred from domain, verify after download)
Map the geographical distribution of patent inventors and assignees within China (inferred from domain, verify after download)
Strengths
Published on Kaggle, a major platform for data science.
Title indicates a long temporal coverage of 40 years (1985-2025).
Limitations
Metadata is minimal; actual content requires verification after download.
Column-level documentation is absent; field semantics must be inferred after download.
Row count and file size are unknown, which may limit suitability assessment.
Provenance
Source
Unknown author and organization.
Collection Method
How gathered is unknown.
Time Range
1985 to 2025
Freshness
Last updated date is unknown; freshness unverified.
Geography
China
License is unknown; users must verify terms before commercial or research use.