Note that these search fields include backward citations only. Forward citations are available through our Citation Service.
| Field | Description | Field Type | XML Source Path | Examples | Multivalued | Indexed | Stored | Required |
|---|---|---|---|---|---|---|---|---|
| patent-document/bibliographic-data/technical-data | ||||||||
| pcit | patent citations including backward and forward citations (full information) | alexandria_string | ./citations/patent-citations/patcit/* | x | x | |||
| xxpcitpn | identifier of the publication being cited, based on country, doc-number, and kind | alexandria_token | /citations/patent-citations/patcit/@ucid | US-96142365-A US-96142365* | x | x | ||
| xxpcitpnctry | country code of the publication being cited | alexandria_string | ./citations/patent-citations/patcit/document-id/country | US | x | x | ||
| xxpcitpnnum | document number of the publication being cited | alexandria_string | ./citations/patent-citations/patcit/document-id/doc-number | 5000000 | x | x | ||
| xxpcitpnkind | kind code of the publication being cited | alexandria_string | ./citations/patent-citations/patcit/document-id/kind | A | x | x | ||
| xxpcitsrc | patent citation source | alexandria_string | ./citations/patent-citations/patcit/sources | pcitsrc:<src> where <src> is one of the options listed in Citation Sources, e.g.: pcitsrc:APP | x | x | ||
| xxpcitrel | patent citation relevance | alexandria_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 | x | x | ||
| ncit | non-patent citations (full information) | alexandria_text | ./citations/non-patent-citations/nplcit/* | x | x | |||
Further Reading
For more information about the content of the fields listed, see the XML Content Description for technical-data citations.