| Field | Description | Field Type | XML Source Path | Examples | Multivalued | Indexed | Stored | Required |
|---|---|---|---|---|---|---|---|---|
| patent-document/bibliographic-data/application-reference | ||||||||
| an | filing identifier | alexandria_token | ./@ucid | US-96142365-A US96142365A US96142365 | x | x | ||
| xxanucid | standardized filing identifier | string** | ./@ucid | US-96142365-A US-96142365* | x | x | ||
| xxanorig | original filing identifier | string** | ./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 | filing language, 2-character code based on ISO 639-2 | alexandria_string | ./document-id/lang | EN | x | |||
| ad | filing date | 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.