Download versions of the CLAIMS Direct DTDs and Schemas here.

Current Patent XML Schema Version 2.7

Description	Link

Description	Link
Current Extract DTD (v2.7)
Current Extract DTD (v2.7) packaged with XSD conversions

Current Litigation XML Schema Version 2.0

Description	Link

Description	Link
Current Litigation XSD Schema (v2.0)

Changes between Litigation XML Schema v1.0 and v2.0

Added element litigation-case defined in file litigation-case-type.xsd

Changes between v2.6 and v2.7

Changes to patent-document.dtd:

1. Added attribute `ep-up-requested` to element `ifi-patent-status`

<!ATTLIST ifi-patent-status
  %ifidfltattrs;
  anticipated-expiration CDATA #IMPLIED
  adjusted-expiration CDATA #IMPLIED
  regulatory-extension (yes) #IMPLIED
  terminal-disclaimer (yes) #IMPLIED
  ep-up-requested (yes|no) #IMPLIED
>

Changes between v2.5 and v2.6

Changes to patent-document.dtd:

1. Added `created-load-id` and `modified-load-id` to the default attributes entity `dfltattrs`

<!ENTITY % dfltattrs "
  id ID #IMPLIED
  mxw-id CDATA #IMPLIED
  created-load-id CDATA #IMPLIED
  modified-load-id CDATA #IMPLIED
  status (n|new|c|corrected|d|deleted) 'new'
  load-source CDATA #IMPLIED
  ref-ucid CDATA #IMPLIED
  copyright-ref CDATA #IMPLIED
">

2. Added support for unitary patent with two new `designated-states` elements

<!ELEMENT ep-validation-states (country+) >
<!ELEMENT ep-up-participating-states (country+) >

Older Versions

Version 2.5

Description	Link

Description	Link
Current Extract DTD (v2.5)
Current Extract DTD (v2.5) packaged with XSD conversions

Changes between v2.4 and v2.5

Changes to patent-document.dtd:

1. Added CPCI to the list of allowed values for attribute scheme of element classification-cpc

old:

<!ATTLIST classification-cpc
  %dfltattrs;
  scheme (CPC|CPCNO) #REQUIRED
  rank CDATA #IMPLIED
>

new:

<!ATTLIST classification-cpc
  %dfltattrs;
  scheme (CPC|CPCNO|CPCI) #REQUIRED
  rank CDATA #IMPLIED
>

2. Changed the definition of element classifications-cpc so that child element classification-cpc is no longer required

old:

<!ELEMENT classifications-cpc (classification-cpc+, combination-sets?)>

new:

<!ELEMENT classifications-cpc (classification-cpc*, combination-sets?)>

Changes to citations.dtd:

1. Changed the definition of elements author and subname to allow complete name and addressbook information

old:

<!ELEMENT cit:author (%nam;) >
<!ELEMENT cit:subname (#PCDATA) >

new:

<!ELEMENT cit:author (%nam; | addressbook) >
<!ELEMENT cit:subname (%nam; | addressbook) >

2. Added attribute subname-type to element subname

new:

<!ATTLIST cit:subname 
  subname-type (editor | translator | other-subname-type ) 'editor'
>

3. Fixed date reference in element conference

old:

<!ELEMENT cit:conference (text | (cit:conftitle, cit:date?, cit:confdate?, cit:confno?, cit:confplace?, cit:confsponsor*)) >

new:

<!ELEMENT cit:conference (text | (cit:conftitle, date?, cit:confdate?, cit:confno?, cit:confplace?, cit:confsponsor*)) >

Version 2.4

Description	Link

Description	Link
Extract DTD (v2.4)
Extract DTD (v2.4) packaged with XSD conversions

Changes between v2.3 and v2.4

Changes to patent-document.dtd:

1. Added new element combination-sets as an optional child of classifications-cpc and added optional attribute rank to classification-cpc

old:

<!ELEMENT classifications-cpc (classification-cpc+)>
<!ATTLIST classifications-cpc
  %dfltattrs;
>

<!ELEMENT classification-cpc (#PCDATA) >
<!ATTLIST classification-cpc
  %dfltattrs;
  scheme (CPC|CPCNO) #REQUIRED
>

new:

<!ELEMENT classifications-cpc (classification-cpc+, combination-sets?)>
<!ATTLIST classifications-cpc
  %dfltattrs;
>

<!ELEMENT classification-cpc (#PCDATA) >
<!ATTLIST classification-cpc
  %dfltattrs;
  scheme (CPC|CPCNO) #REQUIRED
  rank CDATA #IMPLIED
>

<!ELEMENT combination-sets (combination-set+)>
<!ELEMENT combination-set (classification-cpc+)>
<!ATTLIST combination-set
  %dfltattrs;
  group CDATA #REQUIRED
>

2. Added new img-format values gif and bmp for element img

old:

<!ELEMENT img EMPTY >
<!ATTLIST img
  id CDATA #IMPLIED
  file CDATA #REQUIRED
  wi CDATA #IMPLIED
  he CDATA #IMPLIED
  img-content (abstract-drawing | ad |
               chem             | cf |
               clip             | ci |
               program-listing  | cp |
               dna              | dn |
               drawing          | dr |
               undefined             |
               figure           | fg |
               graph            | gr |
               math             | mf |
               page             | pa |
               photograph       | ph |
               search-report    | sr |
               table            | tb |
               character        | tx |
               flowchart             |
               undefined-char   | ff |
               undefined-image  | ui
             ) 'drawing'
  img-format (jpg|tif|st33|st35|pdf) #REQUIRED
  orientation (portrait|landscape|unknown) 'unknown'
  inline (yes|no) 'no'
  alt CDATA #IMPLIED
  url CDATA #IMPLIED
>

new:

<!ELEMENT img EMPTY >
<!ATTLIST img
  id CDATA #IMPLIED
  file CDATA #REQUIRED
  wi CDATA #IMPLIED
  he CDATA #IMPLIED
  img-content (abstract-drawing | ad |
               chem             | cf |
               clip             | ci |
               program-listing  | cp |
               dna              | dn |
               drawing          | dr |
               undefined             |
               figure           | fg |
               graph            | gr |
               math             | mf |
               page             | pa |
               photograph       | ph |
               search-report    | sr |
               table            | tb |
               character        | tx |
               flowchart             |
               undefined-char   | ff |
               undefined-image  | ui
             ) 'drawing'
  img-format (jpg|tif|st33|st35|pdf|gif|bmp) #REQUIRED
  orientation (portrait|landscape|unknown) 'unknown'
  inline (yes|no) 'no'
  alt CDATA #IMPLIED
  url CDATA #IMPLIED
>

3. Added new element declassified-date as an optional child of dates-of-public-availability

old:

<!ELEMENT dates-of-public-availability (gazette-date?,
                                        application-publication-date?,
                                        grant-publication-date?,
                                        intention-to-grant-date?,
                                        registered-date?,
                                        republication-date?,
                                        search-report-publication-date?,
                                        search-report-dispatch-date?,
                                        corrected-search-report-dispatch-date?,
                                        coming-into-force-date?,
                                        preceding-publication-date?,
                                        amended-publication-date?,
                                        corrected-publication-date?,
                                        declassified-date?) >

new:

<!ELEMENT dates-of-public-availability (gazette-date?,
                                        application-publication-date?,
                                        grant-publication-date?,
                                        intention-to-grant-date?,
                                        registered-date?,
                                        republication-date?,
                                        search-report-publication-date?,
                                        search-report-dispatch-date?,
                                        corrected-search-report-dispatch-date?,
                                        coming-into-force-date?,
                                        preceding-publication-date?,
                                        amended-publication-date?,
                                        corrected-publication-date?,
                                        declassified-date?) >

<!ELEMENT declassified-date (date, bulletin-number?) >

4. Changed the definition of patent-document to allow multiple legal-status, copyright, and keywords (new element) children

old:

<!ELEMENT patent-document (doc-page+ |
                           (bibliographic-data,
                            abstract*,
                            description*,
                            claims*, amended-claims*, amended-claims-statement*,
                            drawings?,
                            attachments-external?,
                            search-report-data*,
                            legal-status?,
                            extended-patent-family?,
                            revision-history?,
                            copyright?))>

new:

<!ELEMENT patent-document (doc-page+ |
                           (bibliographic-data,
                            abstract*,
                            description*,
                            claims*, amended-claims*, amended-claims-statement*,
                            drawings?,
                            attachments-external?,
                            search-report-data*,
                            keywords*,
                            legal-status*,
                            extended-patent-family?,
                            revision-history?,
                            copyright*))>

<!-- Keywords -->
<!ELEMENT keywords (keyword-set+) >
<!ATTLIST keywords
  %dfltattrs;
  lang CDATA #REQUIRED
  format (%fmtattrs;) 'original'
>

<!ELEMENT keyword-set (keyword+) >
<!ATTLIST keyword-set
  technical-field CDATA #IMPLIED
  subjects-number CDATA #IMPLIED
>

<!ELEMENT keyword (#PCDATA) >
<!ATTLIST keyword
  sequence CDATA #IMPLIED
  pfq CDATA #IMPLIED
  dvalue CDATA #IMPLIED
>

5. Added new attribute copyright-ref to entity dfltattrs and new attribute copyright-id to element copyright

old:

<!ENTITY % dfltattrs "
  id ID #IMPLIED
  mxw-id CDATA #IMPLIED
  status (n|new|c|corrected|d|deleted) 'new'
  load-source CDATA #IMPLIED
  ref-ucid CDATA #IMPLIED
">

<!ELEMENT copyright (#PCDATA) >

new:

<!ENTITY % dfltattrs "
  id ID #IMPLIED
  mxw-id CDATA #IMPLIED
  status (n|new|c|corrected|d|deleted) 'new'
  load-source CDATA #IMPLIED
  ref-ucid CDATA #IMPLIED
  copyright-ref CDATA #IMPLIED
">

<!ELEMENT copyright (#PCDATA) >
<!ATTLIST copyright
  copyright-id CDATA #IMPLIED
>

6. Changed the definition of element linked-indexing-code-group to allow two new child elements main-linked-indexing-code and sub-linked-indexing-code, and added required attribute group

old:

<!ELEMENT linked-indexing-code-group (#PCDATA) >
<!ATTLIST linked-indexing-code-group
  %dfltattrs;
>

new:

<!ELEMENT linked-indexing-code-group (main-linked-indexing-code, sub-linked-indexing-code*) >
<!ATTLIST linked-indexing-code-group
  %dfltattrs;
  group CDATA #REQUIRED
>

<!ELEMENT main-linked-indexing-code (#PCDATA) >
<!ATTLIST main-linked-indexing-code
  %dfltattrs;
>

<!ELEMENT sub-linked-indexing-code (#PCDATA) >
<!ATTLIST sub-linked-indexing-code
  %dfltattrs;
>

7. Added new element administrative-division to entity adr

old:

<!ENTITY % adr "((address-1? , address-2? , address-3? , mailcode? , pobox? ,
room? , address-floor? , building? , street? , city? , county? , state? ,
postcode? , country?) | text)" >

new:

<!ENTITY % adr "((address-1? , address-2? , address-3? , mailcode? , pobox? ,
room? , address-floor? , building? , street? , city? , county? , state? ,
postcode? , country? , administrative-division?) | text)" >

<!ELEMENT administrative-division (#PCDATA) >

8. Added optional attribute class to element legal-event

old:

<!ELEMENT legal-event (dtext | legal-event-body)? >
<!ATTLIST legal-event
  %dfltattrs;
  code CDATA #REQUIRED
  country CDATA #REQUIRED
  date CDATA #REQUIRED
  impact CDATA #IMPLIED
>

new:

<!ELEMENT legal-event (dtext | legal-event-body)? >
<!ATTLIST legal-event
  %dfltattrs;
  code CDATA #REQUIRED
  country CDATA #REQUIRED
  date CDATA #REQUIRED
  impact CDATA #IMPLIED
  class CDATA #IMPLIED
>

9. Added optional child statistical-information to element technical-data, moved elements number-of-claims and exemplary-claim, and added new element number-of-pages to statistical-information

old:

<!ELEMENT technical-data ((classification-ipc | classification-locarno)*,
                          classifications-ipcr?, classification-national?,
                          classification-ecla*, classifications-cpc?,
                          f-term-info?,
                          invention-title*,
                          citations?,
                          figures?, number-of-claims?, exemplary-claim?,
                          field-of-search?)>

new:

<!ELEMENT technical-data ((classification-ipc | classification-locarno)*,
                          classifications-ipcr?, classification-national?,
                          classification-ecla*, classifications-cpc?,
                          f-term-info?,
                          invention-title*,
                          citations?,
                          figures?,
                          field-of-search?,
                          statistical-information?)>

<!ELEMENT statistical-information (number-of-pages?, number-of-claims?, exemplary-claim?)>
<!ELEMENT number-of-pages (#PCDATA)>

10. Added new external file citations.dtd and moved all elements related to citations into this new file

new:

<!-- Content definitions for all elements related to citations --> 
<!ENTITY % citations SYSTEM "citations.dtd" > 
%citations;

New file citations.dtd:

This new file contains all of the definitions for elements related to citations including a new namespace that has been added to support rich citations.

Version 2.3

Description	Link

Description	Link
Extract DTD (v2.3)
Extract DTD (v2.3) packaged with XSD conversions

Changes between v2.2 and v2.3

Changes to patent-document.dtd:

1. Added optional child element effective-date to application-reference

old:

<!ELEMENT application-reference (document-id+) >

new:

<!ELEMENT application-reference (document-id+, effective-date?) >
<!ELEMENT effective-date (date) >

2. Added new included file `autags.dtd` defining a new child element autags of office-specific-data

old:

<!ELEMENT office-specific-data (eptags|ustags)*>

new:

<!-- AU register content definitions --> 
<!ENTITY % aut SYSTEM "autags.dtd" > 
%aut;

<!ELEMENT office-specific-data (autags|eptags|ustags)* >

new included file autags.dtd:

<!ELEMENT autags (
  au-opi-date?,
  au-opi-published-in-journal-date?,
  au-exam-details?,
  au-acceptance-details?,
  au-certification-details?,
  au-sealing-details?,
  au-extensions-of-term?,
  au-fee-history?,
  au-oppositions-and-disputes?,
  au-re-examinations?
)>

<!ELEMENT au-exam-details (
  au-direction-date?,
  au-third-party-examination-request-date?
)>

<!ELEMENT au-acceptance-details (
  au-acceptance-date?,
  au-acceptance-published-date?,
  au-final-acceptance-date?
)>

<!ELEMENT au-certification-details (
  au-certified-date?,
  au-final-certification-date?,
  au-certified-published-date?
)>

<!ELEMENT au-sealing-details (
  au-sealing-date?,
  au-sealed-published-date?
)>

<!ELEMENT au-extensions-of-term (au-extension-of-term+)>
<!ELEMENT au-extension-of-term (
  au-final-expiry-date?,
  au-extension-of-term-application-filing-date?,
  au-extension-of-term-acceptance-date?,
  au-extension-of-term-acceptance-published-date?,
  au-extension-of-term-granted-date?
)>

<!ELEMENT au-fee-history (
  au-date-paid?,
  au-paid-to-date?,
  au-next-fee-due?,
  au-last-agency-address?
)>

<!ELEMENT au-oppositions-and-disputes (
  au-current-oppositions-and-disputes?,
  au-completed-oppositions-and-disputes?
)>

<!ELEMENT au-current-oppositions-and-disputes (au-opposition+)>
<!ELEMENT au-completed-oppositions-and-disputes (au-opposition+)>

<!ELEMENT au-opposition (
  au-proceeding-type?,
  au-proceeding-status?,
  au-proceeding-result?,
  au-opposition-dispute-parties?,
  au-opposition-dispute-agent?,
  au-opposition-dispute-agent-address?
)>
<!ATTLIST au-opposition
  sequence CDATA #REQUIRED
>

<!ELEMENT au-opposition-dispute-parties (au-opposition-dispute-party-name+)>
<!ELEMENT au-opposition-dispute-party-name (#PCDATA)>
<!ATTLIST au-opposition-dispute-party-name
  sequence CDATA #REQUIRED
>

<!ELEMENT au-re-examinations (au-re-examination+)>
<!ELEMENT au-re-examination (
  au-re-examination-status?,
  au-re-examination-request-date?
)>
<!ATTLIST au-re-examination
  sequence CDATA #REQUIRED
>


<!ELEMENT au-opi-date (date)>
<!ELEMENT au-opi-published-in-journal-date (date)>
<!ELEMENT au-date-paid (date)>
<!ELEMENT au-paid-to-date (date)>
<!ELEMENT au-next-fee-due (#PCDATA)>
<!ELEMENT au-last-agency-address (#PCDATA)>
<!ELEMENT au-direction-date (date)>
<!ELEMENT au-third-party-examination-request-date (date)>
<!ELEMENT au-acceptance-date (date)>
<!ELEMENT au-acceptance-published-date (date)>
<!ELEMENT au-final-acceptance-date (date)>
<!ELEMENT au-certified-date (date)>
<!ELEMENT au-final-certification-date (date)>
<!ELEMENT au-certified-published-date (date)>
<!ELEMENT au-final-expiry-date (date)>
<!ELEMENT au-extension-of-term-application-filing-date (date)>
<!ELEMENT au-extension-of-term-acceptance-date (date)>
<!ELEMENT au-extension-of-term-acceptance-published-date (date)>
<!ELEMENT au-extension-of-term-granted-date (date)>
<!ELEMENT au-sealing-date (date)>
<!ELEMENT au-sealed-published-date (date)>
<!ELEMENT au-proceeding-type (#PCDATA)>
<!ELEMENT au-proceeding-status (#PCDATA)>
<!ELEMENT au-proceeding-result (#PCDATA)>
<!ELEMENT au-opposition-dispute-agent (#PCDATA)>
<!ELEMENT au-opposition-dispute-agent-address (#PCDATA)>
<!ELEMENT au-re-examination-status (#PCDATA)>
<!ELEMENT au-re-examination-request-date (date)>

3. Changed definition of element relation to allow multiple document-id children

old:

<!ELEMENT relation (document-id | (child-doc, parent-doc)) >

new:

<!ELEMENT relation (document-id+ | (child-doc, parent-doc)) >

4. Added new relation types later-filed-application and provisional

old:

<!ELEMENT relation (document-id+ | (child-doc, parent-doc)) >
<!ATTLIST relation
  type (a-371-of-international | addition | division | division-into | continuation | continuation-in-part |
        continuing-reissue | reissue | us-divisional-reissue | reexamination |
        us-reexamination-reissue-merger | substitution | us-provisional-application |
        utility-model-basis | correction | related-publication | previously-filed-application) #REQUIRED
>

new:

<!ELEMENT relation (document-id+ | (child-doc, parent-doc)) >
<!ATTLIST relation
  type (
    a-371-of-international          |
    addition                        |
    continuation                    |
    continuation-in-part            |
    continuing-reissue              |
    correction                      |
    division                        |
    division-into                   |
    later-filed-application         |
    previously-filed-application    |
    provisional                     |
    reexamination                   |
    reissue                         |
    related-publication             |
    substitution                    |
    us-divisional-reissue           |
    us-provisional-application      |
    us-reexamination-reissue-merger |
    utility-model-basis
  ) #REQUIRED
>

Note: over time relation type us-provisional-application will be phased out in favor of type provisional

5. Changed attribute reel-frame of element reassignment from REQUIRED to IMPLIED

old:

<!ATTLIST reassignment
  %dfltattrs;
  reel-frame CDATA #REQUIRED
  recorded-date CDATA #REQUIRED
>

new:

<!ATTLIST reassignment
  %dfltattrs;
  reel-frame CDATA #IMPLIED
  recorded-date CDATA #REQUIRED
>

6. Changed citation source name SUPP to SUP

old:

<!ATTLIST source
  %dfltattrs;
  name (OTH|CH2|SUPP|ISR|APP|SEA|115|EXA|OPP|PRS|APL|FOP|TPO|UNKNOWN) #REQUIRED
  created-by-npl (Y|N) "N"
  category CDATA #IMPLIED
>

new:

<!ATTLIST source
  %dfltattrs;
  name (OTH|CH2|SUP|ISR|APP|SEA|115|EXA|OPP|PRS|APL|FOP|TPO|UNKNOWN) #REQUIRED
  created-by-npl (Y|N) "N"
  category CDATA #IMPLIED
>

7. Added element sequence-cwu to ptext entity parameter

old:

<!-- The contents of a paragraph or other block-level text element -->
<!ENTITY % ptext "
#PCDATA | b | i | u | o | sub | sup |smallcaps |
br | pre | dl | ul | ol | sl | crossref | figref | patcit |
nplcit | bio-deposit | img | imgref | chemistry | maths | tables | table-external-doc
">

new:

<!-- The contents of a paragraph or other block-level text element -->
<!ENTITY % ptext "
#PCDATA | b | i | u | o | sub | sup |smallcaps |
br | pre | dl | ul | ol | sl | crossref | figref | patcit |
nplcit | bio-deposit | img | imgref | chemistry | maths |
tables | table-external-doc | sequence-cwu
">

8. Added new included file `ifi-annotated-data.dtd` defining a new child element ifi-annotated-data of bibliographic-data

old:

<!ELEMENT bibliographic-data (publication-reference,
                              us-sir-flag?,
                              application-reference?,
                              priority-claims?,
                              dates-of-public-availability?,
                              rule-47-flag?,
                              term-of-grant?,
                              technical-data?,
                              related-documents?,
                              parties?,
                              international-convention-data?,
                              designated-states?,
                              office-specific-data?,
                              ifi-integrated-content?) >

new:

<!-- The IFI annotated data definitions -->
<!ENTITY % ifiad SYSTEM "ifi-annotated-data.dtd" >
%ifiad;

<!ELEMENT bibliographic-data (publication-reference,
                              us-sir-flag?,
                              application-reference?,
                              priority-claims?,
                              dates-of-public-availability?,
                              rule-47-flag?,
                              term-of-grant?,
                              technical-data?,
                              related-documents?,
                              parties?,
                              international-convention-data?,
                              designated-states?,
                              office-specific-data?,
                              ifi-integrated-content?,
                              ifi-annotated-data?) >

new included file ifi-annotated-data.dtd:

<!ELEMENT ifi-annotated-data ( pharmaceuticals )> 
<!ELEMENT pharmaceuticals ( pharmaceutical+ )> 
<!ELEMENT pharmaceutical ( strengths? )> 
<!ATTLIST pharmaceutical
  %dfltattrs;
  ingredient CDATA #REQUIRED 
  brand CDATA #IMPLIED
  form CDATA #IMPLIED 
  route CDATA #IMPLIED 
> 
<!ELEMENT strengths ( strength+ )> 
<!ELEMENT strength (#PCDATA)>

Changes to ifi-integrated-content.dtd:

1. Added child element office-patent-status to element ifi-integrated-content

old:

<!ELEMENT ifi-integrated-content (
  ifi-patent-status,
  ifi-parties?,
  ifi-indexing-codes?,
  ifi-claims-summary?
)>

new:

<!ELEMENT ifi-integrated-content (
  ifi-patent-status,
  office-patent-status?,
  ifi-parties?,
  ifi-indexing-codes?,
  ifi-claims-summary?
)>

<!ELEMENT office-patent-status (office-patent-status-description)>
<!ATTLIST office-patent-status
  %dfltattrs;
  under-opposition (yes|no) #IMPLIED
  expiration-date CDATA #IMPLIED
>
<!ELEMENT office-patent-status-description (#PCDATA)>
<!ATTLIST office-patent-status-description
  country CDATA #REQUIRED
>

2. Added allowed value U to attribute term-type

old:

<!ENTITY % ifiindexingattrs "
  term-type (F|G|C) #REQUIRED
">

new:

<!ENTITY % ifiindexingattrs "
  term-type (C|F|G|U) #REQUIRED
">

Changes to seqlst.dtd:

1. Changed sequence-cwu children publication-reference and number to optional

old:

<!ELEMENT sequence-cwu (publication-reference, number,(sequence-list-old-rules | sequence-list-new-rules | table )) >

new:

<!ELEMENT sequence-cwu  (publication-reference?, number?, (sequence-list-old-rules | sequence-list-new-rules | table )) >

Version 2.2

Description	Link

Description	Link
Extract DTD (v2.2)
Extract DTD (v2.2) packaged with XSD conversions

Changes between v2.1 and v2.2

Changes to patent-document.dtd:

1. Added citation source name TPO (Third Party Observation)

old:

<!ATTLIST source
  %dfltattrs;
  name (OTH|CH2|SUPP|ISR|APP|SEA|115|EXA|OPP|PRS|APL|FOP|UNKNOWN) #REQUIRED
  created-by-npl (Y|N) "N"
  category CDATA #IMPLIED
>

new:

<!ATTLIST source
  %dfltattrs;
  name (OTH|CH2|SUPP|ISR|APP|SEA|115|EXA|OPP|PRS|APL|FOP|TPO|UNKNOWN) #REQUIRED
  created-by-npl (Y|N) "N"
  category CDATA #IMPLIED
>

2. Added attribute applicant-category to element applicant

old:

<!ATTLIST applicant
  %dfltattrs;
  format (%fmtattrs;) 'original'
  sequence CDATA #IMPLIED
>

new:

<!ATTLIST applicant
  %dfltattrs;
  format (%fmtattrs;) 'original'
  sequence CDATA #IMPLIED
  applicant-category CDATA #IMPLIED
>

3. Removed extra occurrence of element sequence-list-text in declaration for element description

old:

<!ELEMENT description (invention-title?,
  (technical-field | background-art |disclosure | description-of-drawings | best-mode | mode-for-invention | industrial-applicability |
   sequence-list-text | summary-of-invention | description-of-embodiments |reference-signs-list | reference-to-deposited-biological-material |
   citation-list | sequence-list-text | (heading|img|imgref|p)*)+)
>

new:

<!ELEMENT description (invention-title?,
  (technical-field | background-art |disclosure | description-of-drawings | best-mode | mode-for-invention | industrial-applicability |
   summary-of-invention | description-of-embodiments | reference-signs-list | reference-to-deposited-biological-material |
   citation-list | sequence-list-text | (heading|img|imgref|p)*)+)
>

4. Changed content model for element disclaimer to make child element date optional and moved attribute text to an optional child element

old:

<!ELEMENT disclaimer (date) >
<!ATTLIST disclaimer
  text CDATA #FIXED "This patent is subject to a terminal disclaimer"
>

new:

<!ELEMENT disclaimer (date?, text?) >

5. Added attribute linkage-type to element priority-claim

old:

<!ATTLIST priority-claim
  %dfltattrs;
  ucid CDATA #IMPLIED
  kind (national|regional|international) #IMPLIED
>

new:

<!ATTLIST priority-claim
  %dfltattrs;
  ucid CDATA #IMPLIED
  kind (national|regional|international) #IMPLIED
  linkage-type CDATA #IMPLIED
>

Changes to ifi-integrated-content.dtd:

1. Added attribute terminal-disclaimer to ifi-patent-status

old:

<!ATTLIST ifi-patent-status
  %ifidfltattrs;
  anticipated-expiration CDATA #IMPLIED
  adjusted-expiration CDATA #IMPLIED
  regulatory-extension (yes) #IMPLIED
>

new:

<!ATTLIST ifi-patent-status
  %ifidfltattrs;
  anticipated-expiration CDATA #IMPLIED
  adjusted-expiration CDATA #IMPLIED
  regulatory-extension (yes) #IMPLIED
  terminal-disclaimer (yes) #IMPLIED
>

Version 2.1

Description	Link

Description	Link
Extract DTD (v2.1)
Extract DTD (v2.1) packaged with XSD conversions

Changes between v2.0 and v2.1

Changes to patent-document.dtd:

1. Added USPTO Official Gazette data

old:

<!ELEMENT ustags EMPTY>

new:

<!ELEMENT ustags       ( us-gazette? )>

<!ELEMENT us-gazette ( us-adverse-decisions?,
                       us-certificates-of-correction?,
                       us-disclaimers?,
                       us-expirations?,
                       us-extensions?,
                       us-reexaminations?,
                       us-reinstatements?,
                       us-reissues? )>

2. Add assignee enable/disable dates (CA only)

old:

<!ATTLIST assignee
  %dfltattrs;
  format (%fmtattrs;) 'original'
  us-assignee-type CDATA #IMPLIED
  sequence CDATA #IMPLIED
>

new:

<!ATTLIST assignee
  %dfltattrs;
  format (%fmtattrs;) 'original'
  us-assignee-type CDATA #IMPLIED
  sequence CDATA #IMPLIED
  enabled CDATA #IMPLIED
  disabled CDATA #IMPLIED
>

3. Added child-pct-document to child-doc

old:

<!ELEMENT child-doc (document-id+) >

new:

<!ELEMENT child-doc (document-id+, child-pct-document?) >

4. Changed attribute fvid of publication-reference from REQUIRED to IMPLIED

old:

<!ATTLIST publication-reference
  %dfltattrs;
  ucid CDATA #REQUIRED
  fvid CDATA #REQUIRED
  entity-status (micro|small|large|unknown) #IMPLIED
>

new:

<!ATTLIST publication-reference
  %dfltattrs;
  ucid CDATA #REQUIRED
  fvid CDATA #IMPLIED
  entity-status (micro|small|large|unknown) #IMPLIED
>

Note: Element publication-reference is found in the new us-gazette container and @fvid will not be present there. It will still always be populated in the main publication-reference element of the document.

5. Added continued prosecution flag (@cpa) to parent-doc

old:

<!ATTLIST parent-doc
  ucid CDATA #REQUIRED
  psta (granted|pending|abandoned|SIR|unknown) 'unknown'
>

new:

<!ATTLIST parent-doc
  ucid CDATA #REQUIRED
  psta (granted|pending|abandoned|SIR|unknown) 'unknown'
  cpa  (yes) #IMPLIED
>

Changes to ifi-integrated-content.dtd:

1. Added four new attributes to ifi-integrated-content

new:

<!ATTLIST ifi-integrated-content
  publication-type CDATA #IMPLIED
  accession-number CDATA #IMPLIED
  document-category CDATA #IMPLIED
  subject-area CDATA #IMPLIED
>

attribute	description	example

attribute	description	example
publication-type	type of publication	Application, Grant
accession-number	legacy IFI unique identifier	06783499
document-category	publication kind descriptor	Design, Utility
subject-area	classification area descriptor	Mechanical, Chemical

2. Added three additional indexing term groups (ifi-category-terms, ifi-collection-terms, ifi-business-method-terms)

old:

<!ELEMENT ifi-indexing-codes (
    ifi-uniterm-fragment-indexing-codes |
    ifi-general-term-indexing           |
    ifi-cdb-fragment-term-links         |
    ifi-compound-term-indexing
  )*
>

new:

<!ELEMENT ifi-indexing-codes (
    ifi-uniterm-fragment-indexing-codes |
    ifi-general-term-indexing           |
    ifi-cdb-fragment-term-links         |
    ifi-compound-term-indexing          |
    ifi-category-terms                  |
    ifi-collection-terms                |
    ifi-business-method-terms
  )*
>

3. Changed ifi-patent-status and ifi-patent-status-description to allow multiple country-specific status values

old:

<!ELEMENT ifi-patent-status (ifi-patent-status-description, ifi-term-extension?)>

<!ATTLIST ifi-patent-status-description
  %ifidfltattrs;
>

new:

<!ELEMENT ifi-patent-status (ifi-patent-status-description+, ifi-term-extension?)>

<!ATTLIST ifi-patent-status-description
  %ifidfltattrs;
  country CDATA #IMPLIED
>

XML DTD and Schemas

Current Patent XML Schema Version 2.7

Current Litigation XML Schema Version 2.0

Changes between Litigation XML Schema v1.0 and v2.0

Changes between v2.6 and v2.7

Changes to patent-document.dtd:

1. Added attribute ep-up-requested to element ifi-patent-status

Changes between v2.5 and v2.6

Changes to patent-document.dtd:

1. Added created-load-id and modified-load-id to the default attributes entity dfltattrs

2. Added support for unitary patent with two new designated-states elements

Version 2.5

Changes between v2.4 and v2.5

Changes to patent-document.dtd:

1. Added CPCI to the list of allowed values for attribute scheme of element classification-cpc

2. Changed the definition of element classifications-cpc so that child element classification-cpc is no longer required

Changes to citations.dtd:

1. Changed the definition of elements author and subname to allow complete name and addressbook information

2. Added attribute subname-type to element subname

3. Fixed date reference in element conference

Version 2.4

Changes between v2.3 and v2.4

Changes to patent-document.dtd:

1. Added new element combination-sets as an optional child of classifications-cpc and added optional attribute rank to classification-cpc

2. Added new img-format values gif and bmp for element img

3. Added new element declassified-date as an optional child of dates-of-public-availability

4. Changed the definition of patent-document to allow multiple legal-status, copyright, and keywords (new element) children

5. Added new attribute copyright-ref to entity dfltattrs and new attribute copyright-id to element copyright

6. Changed the definition of element linked-indexing-code-group to allow two new child elements main-linked-indexing-code and sub-linked-indexing-code, and added required attribute group

7. Added new element administrative-division to entity adr

8. Added optional attribute class to element legal-event

9. Added optional child statistical-information to element technical-data, moved elements number-of-claims and exemplary-claim, and added new element number-of-pages to statistical-information

10. Added new external file citations.dtd and moved all elements related to citations into this new file

New file citations.dtd:

Version 2.3

Changes between v2.2 and v2.3

Changes to patent-document.dtd:

1. Added optional child element effective-date to application-reference

2. Added new included file autags.dtd defining a new child element autags of office-specific-data

3. Changed definition of element relation to allow multiple document-id children

4. Added new relation types later-filed-application and provisional

5. Changed attribute reel-frame of element reassignment from REQUIRED to IMPLIED

6. Changed citation source name SUPP to SUP

7. Added element sequence-cwu to ptext entity parameter

8. Added new included file ifi-annotated-data.dtd defining a new child element ifi-annotated-data of bibliographic-data

Changes to ifi-integrated-content.dtd:

1. Added child element office-patent-status to element ifi-integrated-content

2. Added allowed value U to attribute term-type

Changes to seqlst.dtd:

1. Changed sequence-cwu children publication-reference and number to optional

Version 2.2

Changes between v2.1 and v2.2

Changes to patent-document.dtd:

1. Added citation source name TPO (Third Party Observation)

2. Added attribute applicant-category to element applicant

3. Removed extra occurrence of element sequence-list-text in declaration for element description

4. Changed content model for element disclaimer to make child element date optional and moved attribute text to an optional child element

5. Added attribute linkage-type to element priority-claim

Changes to ifi-integrated-content.dtd:

1. Added attribute terminal-disclaimer to ifi-patent-status

Version 2.1

Changes between v2.0 and v2.1

Changes to patent-document.dtd:

1. Added USPTO Official Gazette data

2. Add assignee enable/disable dates (CA only)

3. Added child-pct-document to child-doc

4. Changed attribute fvid of publication-reference from REQUIRED to IMPLIED

5. Added continued prosecution flag (@cpa) to parent-doc

Changes to ifi-integrated-content.dtd:

1. Added four new attributes to ifi-integrated-content

2. Added three additional indexing term groups (ifi-category-terms, ifi-collection-terms, ifi-business-method-terms)

3. Changed ifi-patent-status and ifi-patent-status-description to allow multiple country-specific status values

1. Added attribute `ep-up-requested` to element `ifi-patent-status`

1. Added `created-load-id` and `modified-load-id` to the default attributes entity `dfltattrs`

2. Added support for unitary patent with two new `designated-states` elements

2. Added new included file `autags.dtd` defining a new child element autags of office-specific-data

8. Added new included file `ifi-annotated-data.dtd` defining a new child element ifi-annotated-data of bibliographic-data