Convert WKU identifier provided in bulk patent files to patent number used in most sources. The References provided in bulk patent files are also in patent number format, not in WKU format.

wku_to_pno(wku)

Arguments

wku

character vector containing patent WKUs

Value

character vector containing patent numbers

Examples

# convert sample WKUs to patent number and print sample_wku <- c("RE028671", "03930271") print(wku_to_pno(sample_wku))
#> [1] "RE28671" "3930271"