Document Type Definition for United States Patent Application Publications
  USPTO-modified version of WIPO Standard ST.36 DTD xx-patent-document
  Reference this DTD as PUBLIC "-//USPTO//DTD us-patent-application v4.0 2004-12-02//EN"
  Alias: Application Red Book (ARB)
  Contact: Bruce B. Cox
  U.S. Patent and Trademark Office
  Crystal Park 3, Suite 451
  Washington, DC 20231
  +1-703-306-2606
  bruce.cox@uspto.gov

  ***** Revision History *****
  2004-12-02

  . Added optional us-provisional-application-status(#PCDATA) to us-provisional-application element.

  2004-10-28
  . Added us-deceased-inventor* to us-bibliographic-data-application. The content model
  .. of us-deceased-inventor is addressbook with required sequence attribute.
  . Changed pre attribute xml:space to (preserve) #FIXED 'preserve'.
  . Added 'undefined' value to img attribute img-content. Renamed value flow-chart to flowchart
  .. and chemistry to chem.
  . Changed chem-type attribute of chem element from required to implied.
  . Changed the order of crossref element in p element to before figref.
  . Added id ID #IMPLIED attribute to sequence-list element and removed country attribute.
  . Changed the order of attributes in a few elements in compliance with WIPO DTDs.
  . Changed the order of sub2 and sup2 elements in sub, sup element in compliance with WIPO DTDs.
  . Changed the place holder elements math and table content model to EMPTY.
  . Changed num attributes from required to implied in nplcit and patcit.
  . Added classifications-ipcr to citation element.
  . Changed dl element attribute tsize from NMTOKEN to CDATA type.
  . Changed subname subname-type CDATA to subname-type (editor | translator |
  .. other-subname-type )  'editor'
  . Changed type-of-correction element to optional in correction element.

  2004-09-27
  . Change in mathml2 dtd reference to work around with Microsoft MSXML3 parser
  .. 'Default Namespace Declaration not supported in DTD' issue in Internet Explorer.
  .. MATHML.xmlns.attrib is set to nothing instead of setting MATHML.xmlns to nothing.

    2004-09-08
      . Change element subname attribute subname-type  from CDATA #IMPLIED to
    .. subname-type  (editor | translator)  'editor'.
    . Changed element us-rights attribute applicant-ref CDATA  #REQUIRED back to
    .. to-dead-inventor CDATA  #REQUIRED.

    2004-07-19
    . Changed us-rights content model from empty to #PCDATA.
    . Changed rel-passage content model from(text | (passage+ , category? , rel-claims?)+)
    .. to rel-passage (text | (passage+ , category* , rel-claims*)+).
    . Added gazette-reference element and gazette-num elements.
    . Replaced bulletin-gazette element with gazette-reference element used in
    .. correction and pct-or-regional-publishing-data element.
    .. Added gazette-reference to correction element.
    . Removed cited-patents and cited-others with citation content model.
    .. Replaced us-references-cited with references-cited new content model.
    . Changed chemistry content model to (img | (chem,img?)).
    .. Added a place holder element chem for future chemistry xml root element.
    .. chem element has id, file and chem-type attributes.
    . Added sequence-list-doc element and modified sequence-list element.
    .. Replaced sequence-list with sequence-list-doc in us-patent-application.
    .. Changed sequence-list country attribute type to #CDATA.
    . Changed addressbook lang to optional.
    . Added claim-type to claim and claims elements.
    . Added new element classifications-ipcr to us-bibliographic-data-application.
    ..classifications-ipcr include one or more classification-ipcr. classifications-ipcr
    ..include the following elements:
    ..		ipc-version-indicator
    ..		classification-level
    ..		section
    ..		class(reuse)
    ..		subclass
    ..		main-group
    ..		subgroup
    ..		symbol-position
    ..		classification-value
    ..		action-date
    ..		generating-office
    ..		classification-status
    ..		classification-data-source
    . Added pre to claim-text,dd,li.
    . Changed nplcit (text | (article | book | online | othercit)*)
    .. to (text | article | book | online | othercit).
    . Added further-classification to classification-locarno.
    . Added sequence attribute to further-classification element.
    . Changed he and wi to #CDATA in img and doc-page.
    . Changed id attribute of crossref to IDREF type.
    . Added flow-chart to img-content allowed values and changed DNA to dna.
    . Changed date attribute to date-produced in element us-patent-application.
    . Added date-publ attribute to element us-patent-grant.
    . Changed bibliographic-data id attribute to ID type.
    . Changed address_group text element from optional to required.
    . Changed text element in depositary to #PCDATA.
    . Renamed table-external-ref element to table-external-doc.
    .. Changed external-type attribute in table-external-doc to optional.
    . Changed parent-PCT-document to parent-pct-document.
    . Added id ID #IMPLIED to addressbook,application-reference,
    .. classification-ipc,classification-locarno ,new element
    .. classification-ipcr,priority-claims and publication-reference.

    2004-04-15 H. Li
    . Added num attribute to li element.
    . Changed content model maths from  (img | math) to (img | (math,img?)).
    . Added date attribute to element us-patent-application.
    . Added math, chemistry, table, program-listing to img-content allowed values
    .. and changed dna to DNA.
    . Add figref to li, dd, claim-text elements and table cell entry.
    . Changed subname? to subname* in serial, article and online elements.
    . Renamed table-external element to table-external-ref.


    2004-03-04 B. Cox
    . Renamed element us-continued-prosecution-application to
    .. us-publication-of-continued-prosecution-application
    .. and kept the attribute and value.

    2004-02-12
    . Renamed element references-cited to us-references-cited.
    . Renamed element cited-patents to us-cited-patents.
    . Added element us-classification to us-cited-patents.


    2003-11-23
    . Changed us-math element attribute idref (IDREF) to idrefs (IDREFS).
    . Added subname-type to element subname.
    . Element othercit modified to support highlighting.

    2003-10-31
    . Modified element us-rights to contain legal-representative information.
    . Changed element related-publication content model from (#PCDATA) to (#PCDATA | document-id)*.
    . Added new optional element parent-PCT-document to the content model of parent-doc.
    . Added attributes pgwide, orient and tabstyle to the cals table attributes to support required
    ..composition features (see entity tbl.table.att).
    . Element crossref modified to support highlighting.

    2003-10-09
    . Removed inid-code attribute from us-appendix-data element.
    . Added (img?) content model to us-math element.
    . Added more uspto specific character entities to the wipo.ent.
    . Added switching method within dtd to easily include/exclude mathml2, tables, etc..
    2003-08-14 Bruce B. Cox
    . Changed comments on elements and attributes from PCT to USPTO practice.
    . Moved us-continued-prosecution-application text from comment to cpa-text attribute.
    2003-08-07
    . Changed following id attribute type from CDATA to ID: abstract, claims, description, drawings.
    . Changed following idref attribute type from CDATA to IDREF: us-chemistry, us-math.
    . Please note we leave crossref idref attribute type as CDATA.
    2003-06-27
    . Changed us-assignees to assignees.
    2003-06-10
    . Added assignees element.
    . Added id attr for author element.
    . depository changed to (text|address)*.
    . Reverse sequence of address? and name in imprint element.
    . Added lang to deceased-inventor.
    . Changed table-external content model from empty to #PCDATA,
    ..changed external-type attribute.
    . Added sup2 and sub2.
    . Added pre to p.
    . Added lang attr to nplcit.
    . Added class-type attr to class element.
    . Added figure-labels attr to figure element.
    2002-04-16 Bruce B. Cox
    . Final draft.
    . External content element moved from p(aragraph) to us-patent-application.
    . Elements not used removed.
    . Change quantifier of us-ocr-text from + to ?
  ***** End Revision History *****
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