ucid, mxw-id, load-source
Single-digit number which indicates the type of patent.
This attribute is populated for AU records (1900-present) and US records (1976-2000) only.
AU values include:
US values include:
Identifies a group of examiners who specialize in a specific technology or art (US Only)
Two-digit number (leading zero removed). For a detailed review of time periods, see Filing Years and Patent Application Serial Numbers and Application Number and Filing Receipt (US Only)
Indicates whether the document is the family representative in the EPO simple family. Optional, YESlNO.
Designates the normalized or not-normalized format of the following
Country is represented by a standard 2-character code based on WIPO ST.3. In the case of WO publications, the country is the authority where the application was filed.
For a complete discussion of application numbers in DOCDB over time and over multiple authorities, see Number format concordance - application numbers at
Kind code of applications comes from DOCDB. Values include:
Note that some documents (utility models, reissued patents, etc.) contain non-standard kind codes used by various patent-granting authorities. See the Kind Code Concordance List for a list of many of the kind codes corresponding to the different publication stages of a patent application.
Date of filing (YYYYMMDD)
Original language of filing, 2-character code based on ISO 639-2.
|Effective date is the earliest filing date, which may be the date of the corresponding PCT filing, of an earlier non-provisional parent filing, or may be the same as the filing date listed in the
application-reference when no earlier filing exists (AU only).
For information about the Solr search fields associated with this container, see Filing Information.