Patent applicant names (also known as assignees) from a set of 15,775 patent applications containing the word drone or drones published between 1845 and 2017 from the Clarivate Analytics Derwent Innovation database.

data("applicants")

Format

A data frame with 15,776 observations of 6 variables:

application_number

The long application number including the date, a character vector

applicant

The patent applicant name (assignee name), 7746 89 percent of documents, a character vector

applicant_cleaned

A cleaned version of the applicant name, 6,929 names, a character vector

inpadoc_family_members

INPADOC Family Members in long format with dates, 49625 97 percent of documents, a character vector

inpadoc_first_family_member

The earliest publication number in the inpadoc_family_members based on the date, 9,020, 98 percent of documents, a character vector

priority_number

Patent priority numbers in long format with dates, 23382 99 percent of documents, a character vector

Source

Clarivate Analytics Derwent Innovation

Details

Patent data fields are commonly concatenated with a semicolon and require tidying for accurate counts. The cited_nonpatent field in this dataset contains irrelevant legal status information and is messy.