description 

*******************************************************************************
DESCRIPTION (SUB-DOCUMENT)
*******************************************************************************
:
The description must disclose the invention in a manner sufficiently clear and
complete for it to be carried out by a person skilled in the art (PCT Rule 5).

EPO
See EPC Rule 27 - Content of the description

EPO required usage:
    - id="desc"
    - lang
    
    - element doc-page removed - for PUBLICATION purposes it will not be used
    - In very rare cases there may be multiple descriptions we will treat as one description
    use heading tag where this occurs
    - The headings within the description are PCT headings. These elements must NOT 
      be used by contractors - use the element: <heading> with the exception of older PatXML files 
    - PatXML files: if <invention-title> is present REMOVE IT for publication - 
      the actual title is at tag <B542>

EPO Style: Depending on language code the heading will be, in bold, left justified, with breaks around:
    en - Description
    de - Beschreibung
    fr - Description

Example:
<description id="desc" lang="de">

Element Information

Model

ANY element from ANY namespace

Attributes

QName Type Fixed Default Use Inheritable Annotation
lang xs:language optional
Wildcard: ANY attribute from ANY namespace

Source 

<xs:element name="description" type="ftxt:descriptionType">
  <xs:annotation>
    <xs:documentation>******************************************************************************* DESCRIPTION (SUB-DOCUMENT) ******************************************************************************* : The description must disclose the invention in a manner sufficiently clear and complete for it to be carried out by a person skilled in the art (PCT Rule 5). EPO See EPC Rule 27 - Content of the description EPO required usage: - id="desc" - lang - element doc-page removed - for PUBLICATION purposes it will not be used - In very rare cases there may be multiple descriptions we will treat as one description use heading tag where this occurs - The headings within the description are PCT headings. These elements must NOT be used by contractors - use the element: <heading> with the exception of older PatXML files - PatXML files: if <invention-title> is present REMOVE IT for publication - the actual title is at tag <B542> EPO Style: Depending on language code the heading will be, in bold, left justified, with breaks around: en - Description de - Beschreibung fr - Description Example: <description id="desc" lang="de"></xs:documentation>
  </xs:annotation>
</xs:element>

Sample