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→Desired Variables
===Desired Variables===
Below is the list of variables that were in the STATA file we were given:
Contains data from C:\Users\ArielSun\Downloads\allpats_3sectors_06jun13.dta
obs: 19,409
vars: 36 11 Jun 2016 17:31
size: 10,655,541 (_dta has notes)
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storage display value
variable name type format label variable label
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id_vone double %9.0g VentureOne id
name str39 %39s startup name
patent str9 %9s patno in string
apn str6 %6s pat application number
nmi str40 %40s inventor name
ttl str244 %40s invention title
nma str65 %65s original assignee
ocd str15 %15s main us patent class
icd str15 %15s main intl patent class
apd float %td application date
gdateold float %td Grant date
fnd_year float %8.0g startup founding year
last_yr float %9.0g * OLD last_yr, 2006; see notes
source byte %8.0g 1 if 2012 delphion searches; else from 2004/5 search
pdate float %td priority date, delphion; may pre-date application date if provisional apps
utility float %9.0g * 1 if utility patent as initially awarded; 0 if other (reissued, reexamed, design
state_country str3 %9s state/country of first inventor listed
asscode float %9.0g assignee code; basic.dta
ayear int %9.0g application year
amonth byte %9.0g application month
atype str1 %9s * initial assignee type; see notes
class str3 %9s 3 digit us pat class
subclass str6 %9s patent subclass
gdate int %d grant, or issuance, date
industry str15 %15s semi, software, or med devices
state_hq str2 %9s firm hq location; vone
status06 str4 %9s * status of firm known in 2006; rhs truncation varies by sector
exitdate str8 %9s exit date, if known
exityr str4 %9s exit year, if known
status08 str6 %9s * status of firm in 2008, see notes
last_yr08 int %8.0g * exityr if ipo/acq, else 2008
dcohort float %9.0g 1 if founding yr during 1987-99
lastyr08_minu~r float %9.0g
dsearch_assign float %9.0g 1 if searches of pat assignment data need to be conducted; carlosn confirm?
carlos_chk float %9.0g carlos: pls confirm assignment data = compiled for these pats
entityid long %12.0g unique startup id as of 2008, vone
* indicated variables have notes
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==Detailed Data Processing==
