Process Innovation Patent Dataset following Bena and Simintzi (2019)
This dataset provides an updated data series for process innovation claims for all patents granted by the United States Patent and Trademark Office (USPTO) between 1976 and June 2021 following the methodology of Bena and Simintzi (2019): “Machines Could Not Compete with Chinese Labor. Evidence from U.S. Firms’ Innovation,” available at https://dx.doi.org/10.2139/ssrn.2613248.
Data description:
File “process20211101.csv” includes the following variables:
| Variable name | Definition |
| nr_pt | Patent number |
| date_app | Filing date of patent application (yyyy-mm-dd) |
| date_grant | Date the patent was granted (yyyy-mm-dd) |
| cl_N | Number of claims per patent |
| cl_process_N | Number of process claims per patent |
Contact:
Please contact Jan Bena (jan.bena@sauder.ubc.ca) or Elena Simintzi (elena_simintzi@kenan-flagler.unc.edu) for any questions regarding the data.