| Field | Description | Field Type | XML Source Path | Examples | Multivalued | Indexed | Stored | Required |
|---|---|---|---|---|---|---|---|---|
| patent-document/bibliographic-data/application-reference | ||||||||
| an | filing identifier based on country, filing number, and kind, excluding items where format=original | alexandria_token | ./@ucid | US-96142365-A US96142365A US96142365 | x | x | ||
| xxanucid | standardized filing identifier | string** | ./@ucid | US-96142365-A US-96142365* | x | x | ||
| xxanorig | filing identifier for items where format=original | alexandria_token | ./document-id/country ./document-id/doc-number | US-07123456 Note: 07=series code, 123456=filing number | x | x | ||
| xxanseries | us series code | alexandria_string | ./@us-series-code | 02 | x | x | ||
| xxanctry | filing country | alexandria_string | ./document-id/country | US | x | |||
| xxannum | filing number | alexandria_string | ./document-id/doc-number | 96142365 | x | |||
| xxankind | filing kind code | alexandria_string | ./document-id/kind | A | x | |||
| xxanlang | original language of filing, 2-character code based on ISO 639-2 | alexandria_string | ./document-id/lang | EN | x | |||
| ad | filing date Note: If no ./date is present and a | tint | ./document-id/date | 19960101 | x | x | ||
| xxad_d | filing date represented internally as a date type Note: This field allows efficient range faceting and SOLR date math. Quotes or query escaping may be required for proper searching. See Working with Dates for more information. | tdate | ./document-id/date | Format: "YYYY-MM-DDThh:mm:ssZ" "2007-01-01T00:01:01Z" 2007-01-01T00\:01\:01Z [2017-07-05T00:00:00.000Z TO *] [NOW-14DAYS TO NOW] (Find documents with filing dates in the last 14 days) | x | |||
| xxadyear | filing year | tint | ./document-id/date | 1996 | x | |||
**Note: String fields are not tokenized. Therefore, queries in these fields will only return exact matches unless wild cards are used.
Further Reading
For more information about the content of the fields listed, see the XML Content Description for application-reference.