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patent-citations/patcit/document-id

AttributeDescription
format

Designates normalized or non-normalized format of the document-id 

Note that even in original format, the data may be normalized by removing check digits, slashes or hyphens. However, the order of tokens is never changed.

Element

INID

Description

country

56

Country of the publication being cited. Country is represented by a standard 2-character code based on WIPO ST.3.

doc-number

56

Document number of the publication being cited. doc-number is generally provided in DocDB-normalized format. An exception to this is made for WO documents, where the doc-number is normalized to YYYYnnnnnn. 

Patent document numbering is a complex subject, as the examples below illustrate:


Patent Authority

Patent Number

US

3732068


RE31783

US (Plant)

5382

US (Design)

D436240

EP

0129539

WO

1985000002

JP

60000013


2006000022

DE

3244404


For a complete discussion of document numbers over time and over multiple authorities, see: Number format concordance - publication numbers at 
https://www.epo.org/searching-for-patents/helpful-resources/data/tables/regular.html.

kind

56

Kind code of the publication being cited. The kind code is used to designate the publication stage of the document, including whether it is a published application or a granted patent. See ST.16.

rel-passage56Relevant passage within the cited document

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