category 

Category  - see example above

Categories indicating cited documents (references) of particular relevance, for the EPO: 

Category     X: particularly relevant if taken alone; 
        Y: particularly relevant if taken combined with another document of the same category 
        A: technological background
        O: non-written disclosure
        P: intermediate document
        T: theory or principle underlying the invention 
        E: earlier patent document, but published on ,or after the filing date; 
        D: document cited in the application 
        L: document cited for other reasons
        
        &: member of the same patent family, corresponding document

Element Information

Model

Source 

<xs:element name="category" type="categoryType">
  <xs:annotation>
    <xs:documentation>Category - see example above Categories indicating cited documents (references) of particular relevance, for the EPO: Category X: particularly relevant if taken alone; Y: particularly relevant if taken combined with another document of the same category A: technological background O: non-written disclosure P: intermediate document T: theory or principle underlying the invention E: earlier patent document, but published on ,or after the filing date; D: document cited in the application L: document cited for other reasons &: member of the same patent family, corresponding document</xs:documentation>
  </xs:annotation>
</xs:element>

Sample