Data on all the software patents used by Hall and Macgarvie (2010), "The private value of software patents," Research Policy 39: 994-1009. 238,925 US patents granted 1975-2002. allswpats2.dta obs: 238,925 vars: 30 19 May 2007 13:46 size: 20,786,475 -------------------------------------------------------------------------------------------------------------------------------------- storage display value variable name type format label variable label -------------------------------------------------------------------------------------------------------------------------------------- appyear int %9.0g Application year asscode byte %9.0g Type of assignee bhpats byte %9.0g Bessen-Hunt definition cat byte %9.0g Technological category (1-6) cgen float %9.0g Average generality of citing pats cite6302 int %9.0g Num of cites 1963-2002 citngyr float %9.0g Average grant yr of citing pats 63-02 claims int %9.0g Number of claims cncites float %12.0g Average cites for citing pats 63-02 country str2 %9s Country of inventor residence gdate int %9.0g Grant date genindex float %9.0g Generality based on US class genindip float %9.0g Generality based on IPC class genindsub float %9.0g Generality based on HJT subcat gmpats byte %9.0g Graham-Mowery definition gyear int %9.0g Grant year hmpats byte %9.0g Hall-MacGarvie definition ipc4 str4 %9s Primary 4-digit IPC class ipcsub str10 %10s Primary IPC subclass atsamp byte %9.0g Allison-Tiller sample ncites int %12.0g Number of cites 1975-2002 nclass int %9.0g US Patent class oldorgno float %9.0g Patent assignee number orgno long %12.0g Patent assignee number from 2002 file orig100 byte %9.0g Allison-Tiller sample-original patent long %12.0g Number of cited patent postate str2 %9s State of inventor residence subcat byte %9.0g Tech subcategory swpats byte %9.0g Combined definition - see paper ussubcl str10 %10s Primary US patent subclass