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Note that these search fields include backward citations only. Forward citations are available through our Citation Service.

FieldDescriptionField TypeXML Source PathExamplesMultivaluedIndexedStoredRequired
patent-document/bibliographic-data/technical-data
pcitpatent citations including backward and forward citations (full information)alexandria_string./citations/patent-citations/patcit/*
xx

xxpcitpnidentifier of the publication being cited, based on country, doc-number, and kindalexandria_token/citations/patent-citations/patcit/@ucid

US-96142365-A

US-96142365*

xx

xxpcitpnctrycountry code of the publication being citedalexandria_string./citations/patent-citations/patcit/document-id/countryUSxx

xxpcitpnnumdocument number of the publication being citedalexandria_string./citations/patent-citations/patcit/document-id/doc-number5000000xx

xxpcitpnkindkind code of the publication being citedalexandria_string./citations/patent-citations/patcit/document-id/kindAxx

xxpcitsrcpatent citation sourcealexandria_string./citations/patent-citations/patcit/sources

pcitsrc:<src> where <src> is one of the options listed in Citation Sources, e.g.:

pcitsrc:APP

xx

 xxpcitrelpatent citation relevancealexandria_string./citations/patent-citations/patcit/rel-passage/category

pcitrel:<rel> where <rel> is one of the options listed in Citation Source Categories, e.g.:

pcitrel:A

xx

ncitnon-patent citations (full information)alexandria_text./citations/non-patent-citations/nplcit/*
xx

Further Reading

For more information about the content of the fields listed, see the XML Content Description for technical-data citations.

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