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Citations are provided for EP and WO, and for all searches made at the EPO (for BE, CH, EP, FR, GB, NL, TR), as well as for US from 1948 and DE from 1965.

Citations are reported with the document to which they are related.


Element

Description

source name

Indicates when or by whom the citation was made. See Citation Sources for a list of sources.

source category

Only EP and WO. The source category indicates the relevance of the citation. Values include the following:
A=Technological background, D=Document cited in application, E=Earlier patent document, 1=Document cited for other reasons, O=Non-written disclosure, P=Intermediate document, T=Theory or principle, X=Relevant if taken alone, Y=Relevant if combined with other documentsSee Citation Source Categories for a list of categories.

 

patent-citations/patcit

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