This
file describes the data on eco_control_master. The file itself 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
obs:
698
Master list of ecopatents and matched controls - Apr17 patstat
vars: 21 26 Jul 2017 13:46
size:
85,854
(_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_date
int %td Application filing date
appln_id long
%12.0g Application
id PATSTAT APR 2017
appln_id_old long
%10.0g nonpermanent
Patstat appln id from 2011
ecopc byte %9.0g Dummy for eco-patent
entry_date int
%d Date firm
entered commons
equivalent str8
%9s Sample id (eco & con followed
by seq num)
grant_date int
%d Date patent
granted
gyear int %9.0g Year of patent grant
id str14 %14s Unique publn id PATSTAT APR
2017
legal_date int
%td.. Date of
April 2017 legal status
legal_date_old int
%td Date of
Feb/Mar 2011 legal status
legal_status int
%17.0g lslbl Legal status as of April 2017, ecopc only
legal_status_old
int %28.0g
lsolbl Legal status as of
February/March 2011
publn_auth str2
%9s Publication
authority
publn_date int
%td Publication
date
publn_kind str2 %9s Publication kind (see
patstat for defs)
publn_nr str12
%12s Publication
number
publn_year int
%9.0g Publication
Year (created)
sample94 byte
%9.0g Dummy (priority
patent)
std_name str53
%53s Standardized
name of patent owner
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Sorted
by: appln_id