This file contains 4,666 citing-cited pairs for the ecopatents and controls, plus 360 observations for ecopatents/controls that have no cites, for a total of 5026 observations. The file is in stata version 12 format. The appln and publn variables are the same as those on PATSTAT, which can be consulted for exact code definitions.

These links may be useful:

https://www.epo.org/searching-for-patents/business/patstat.html#tab-1

https://ideas.repec.org/p/iae/iaewps/wp2014n08.html

Contains data from C:\Users\Bronwyn Hall\Documents\Dropbox\eco_patents\data\citations_appln.dta

obs: 5,026 Master list of ecopatents and matched controls - Apr17 patstat

vars: 44 5 Aug 2017 13:33

size: 1,105,720 (_dta has notes)

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storage display value

variable name type format label variable label

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appln_auth str2 %9s Application Authority

appln_filing_~e int %td Application filing date

appln_id long %12.0f Application id PATSTAT APR 2017

appln_id_old long %10.0g nonpermanent Patstat application id

appln_id_str str9 %9s application id PATSTAT (str9)

appln_kind str1 %9s Application type

appln_nr str12 %12s Application number

appln_year int %10.0g Application year

ctng_appln_auth str2 %9s Application authority of citing patent

ctng_appln_fi~e int %d Application date of citing patent

ctng_appln_id long %12.0f Application id for citing patent (PATSTAT)

ctng_appln_kind str1 %9s Application type of citing patent (PATSTAT)

ctng_appln_nr str12 %12s Application number of citing patent

ctng_appln_year int %10.0g Application year of citing patent

ctng_docdb_fa~d long %10.0g DOCDB family id of citing patent

ctng_docdb_fa~e byte %10.0g No of DOCDB family members for citing patent

ctng_earliest~d long %10.0g Earliest publn id for citing patent

ctng_granted byte %10.0g Dummy (citing patent has been granted)

ctng_publn_auth str2 %9s Publication authority of citing patent

ctng_publn_date int %d Publication date of citing patent

ctng_publn_id long %12.0f Publication id of ctng document (long)

ctng_publn_kind str2 %9s Kind of citing patent publn (PATSTAT)

ctng_publn_nr str12 %12s Citing patent publn number (PATSTAT)

docdb_family_id long %10.0g DOCDB family id number

docdb_family_~e byte %10.0g # DOCDB family members

earliest_pat_~d long %12.0f Earliest publication id

ecopc byte %9.0g Dummy for eco-patent

entry_date int %d Date firm entered commons

equivalent str8 %9s Sample id (eco and con followed by seq number)

grant_date int %d Date patent granted

granted byte %10.0g Ever granted

gyear int %9.0g Year of patent grant

id str14 %14s Unique publn ID

keep_name str11 %11s Standardized name of patent owner

legal_status int %28.0g legal_status_lab

Legal status as of February/March 2011

ncites int %9.0g Number of cites for this appln_id

nocites byte %9.0g Dummy (patent has no cites)

publn_auth str2 %9s Publication authority

publn_date int %d Publication date

publn_kind str2 %9s Publication Kind

publn_nr str12 %12s Publication number

publn_year int %9.0g Publication Year (created)

sample94 byte %9.0g Priority patent - for the 94 pat sample

std_name str53 %53s Standardized name of patent owner

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