These data provide estimated patent values, as in our published paper, Stoffman, N., Woeppel, M., and Yavuz, M.D. 2022. Small Innovators: No Risk, No Return. Journal of Accounting and Economics. The data in our paper span 1976 through 2019. The below data span 1926 through 2024.
If you use these data, please cite our paper as the data source.
| Variable | Description |
|---|---|
| patnum | Patent number |
| idate | Issue (grant) date of patent (mm/dd/yyyy) |
| permco | CRSP permco |
| xi_nom | Patent value (nominal) |
| xi_cpi | Patent value (inflation-adjusted) |
If you have any data issues or questions, please contact Mike Woeppel at mwoeppel@iu.edu.
These data include patents whose assignee has been matched to a firm in CRSP. Matches before 1976 are from KPSS*. Matches beginning 1976 are from the above-titled paper and can be found in the patent-crsp-permco-match repository. The methodology used to estimate patent values is from KPSS*.
*Kogan, L., Papanikolaou, D., Seru, A., and Stoffman, N., 2017. Technological innovation, resource allocation, and growth. Quarterly Journal of Economics, 132(2), pp. 665-712.