** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/classifications-ipcr/classification-ipcr/subgroup</code>
* '''CPC_SUBCLASS'''
** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/classifications-cpc/main-cpc/classification-cpc/section</code> + <code>//us-bibliographic-data-grant/classifications-cpc/main-cpc/classification-cpc/class</code> + <code>//us-bibliographic-data-grant/classifications-cpc/main-cpc/classification-cpc/subclass</code>
* '''CPC_MAIN_GROUP'''
** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/classifications-cpc/main-cpc/classification-cpc/main-group</code>
* '''CPC_SUB_GROUP'''
** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/classifications-cpc/main-cpc/classification-cpc/subgroup</code>
* '''CLASSIFICATION_NATIONAL_COUNTRY'''
** XML 4.3, 4.4, 4.5 (first listed is highest preference)
*** <code>//us-bibliographic-data-grant/classification-national/country</code>
*** <code>//us-bibliographic-data-grant/us-field-of-classification-search/classification-national/country</code>
* '''CLASSIFICATION_NATIONAL_CLASS'''
** XML 4.3, 4.4, 4.5 (first listed is highest preference)
*** <code>//us-bibliographic-data-grant/classification-national/main-classification</code>
*** <code>//us-bibliographic-data-grant/us-field-of-classification-search/classification-national/country
* '''PRIMARY_EXAMINER_FIRST_NAME'''
** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/examiners/primary-examiner/first-name</code>
* '''PRIMARY_EXAMINER_LAST_NAME'''
** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/examiners/primary-examiner/last-name</code>
* '''PRIMARY_EXAMINER_DEPARTMENT'''
** XML 4.3, 4.4, 4.5
*** <code>//us-bibliographic-data-grant/examiners/primary-examiner/department</code>
=== numbers ===