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.

The data have been used in the following papers:

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.

Bena, Ortiz-Molina, and Simintzi (2021): “Shielding Firm Value: Employment Protection and Process Innovation,” Journal of Financial Economics, forthcoming, available at https://doi.org/10.1016/j.jfineco.2021.10.005.

Please see these papers for more information on the data. If you use these data, please CITE one of these papers as the data source.

Share of process innovation

Share of process innovation by sections of the Cooperative Patent Classification