Research Article
Classification of FinTech Patents by Machine Learning and Deep Learning Reveals Trends of FinTech Development in China
Table 6
Complete FinTech patent classification process.
| | Filtering and sorting steps | Number of remaining samples | Number of remaining samples |
| | All patents under entries G and H filed in China from 2013 to 2020 in the database | | 5398266 | | Remove pure technical patent data from IPC classification | 4072571 | 1325745 | | Filter nonfinancial patents via machine learning | 1248327 | 77418 | | Classify text using CNN to remove FinTech-unrelated patents | 52265 | 25153 | | Remove patents filed abroad | 4624 | 20529 | | Number of remaining FinTech patent applications | 20529 | | FinTech patents | | Individual patent applications | 1967 | | Nonindividual patent applications | 18562 |
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