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The IFI integrated data includes several value-added fields that are calculated by IFI to provide patent status, expiry dates, standardized names, claims summaries, and more. See ifi-integrated-content for the availability of the IFI container data by country.

Field                              DescriptionField TypeXML Source PathExamplesMultivaluedIndexedStoredRequired
ifi_publication_typeA=Application
G=Grant
U=Unknown
alexandria_string./ifi-integrated-content/@publication-typeG x  
ifi_document_category

Present for US only. Categories are derived from kind codes and include:

  • Defensive
  • Design
  • Plant
  • Reissue
  • Statutory
  • Utility
alexandria_string./ifi-integrated-content/@document-categoryutility x  
ifi_subject_area

Derived from classification. Values include:

  • Chemical
  • Chemical/Electrical
  • Design
  • Electrical
  • Electrical/Mechanical
  • Mechanical
  • Plant
alexandria_string./ifi-integrated-content/@subject-area

chemical

electrical/mechanical

electrical*

 x  
patent-document/bibliographic-data/ifi-integrated-content/ifi-patent-status
ifi_expd
ifi_expdyear
Anticipated expiration date/year is calculated according to the patenting authority and document kind and reflects the maximum life of the patent assuming maintenance fees are paid and term extensions are not in place. See Anticipated and Adjusted Expiration Dates for more information.tint./ifi-integrated-content/ifi-patent-status/@anticipated-expiration

20310324

[20200101 TO 20201231]

2025

[2018 TO *]

 

 

 x  
ifi_expd_d

Anticipated expiration represented internally as a date type

Note: This field allows efficient range faceting and SOLR date math. Quotes or query escaping may be required for proper searching. See Working with Dates for more information.

tdate 

Format: "YYYY-MM-DDThh:mm:ssZ"

[2018-01-01T00:00:00.000Z TO *]

[NOW-14DAYS TO NOW] (Find documents with expiration dates in the last 14 days)

 x  
ifi_expd_adj
ifi_expdyear_adj
Adjusted expiration date/year contains a date adjusted by term adjustments made by the USPTO under 35 USC 154. Present for US only. See Anticipated and Adjusted Expiration Dates for more information.
tint./ifi-integrated-content/ifi-patent-status/@adjusted-expiration

20221231

[* TO 20300101]

2038

 


 x  
ifi_patstat

Current patent status. See IFI Patent Status for possible values. Note that for EP records, ifi_patstat cannot be searched at the designated states level; only the EP-level status is searchable.

alexandria_text ./ifi-integrated-content/ifi-patent-status/ifi-patent-status-descripton

active

"active - reinstated"

("withdrawn - after issue" OR ceased OR revoked) 

 x  
f_ifi_patstatPatent status for facetingstring** 

"Expired - Lifetime"

Expired*

 x  
patent-document/bibliographic-data/ifi-integrated-content/ifi-parties
ifi_paCombined field including ifi_name_original and ifi_name_currentalexandria_token./ifi_stdname|ifi_stdname_current|ifi_stdname_prob"sony corp"xx  
ifi_name_originalOriginal assignee at time of publicationalexandria_token./ifi_stdname|ifi_stdname|ifi_stdname_probsonyxx  
ifi_name_original_idOriginal assignee identifierstring**./ifi_stdname|ifi_stdname|ifi_stdname_prob/@number06234xxx 
ifi_name_original_ctryCountry of origin of the original assigneestring**./ifi_stdname|ifi_stdname|ifi_stdname_prob/@countryUSxx  
f_ifi_name_originalOriginal assignee for facetingstring** 

"Sony Corp"

Sony*

xx  
ifi_name_currentCurrent assigneealexandria_token./ifi_stdname|ifi_stdname_currentsonyxx  
ifi_name_current_idCurrent assignee identifierstring**./ifi_stdname|ifi_stdname_current/@number01234xxx 
ifi_name_current_ctryCountry of origin of the current assigneestring**./ifi_stdname|ifi_stdname_current/@countryKRxx  
f_ifi_name_currentCurrent assignee for facetingstring** 

"Sony Corp"

Sony*

xx  
ifi_name_original_confidenceIf the original name stems from a probable name, this value will be 0. If it stems from a standardized name, the value will be 1.tfloat 1xx  

**Note: String fields are not tokenized. Therefore, queries in these fields will only return exact matches unless wild cards are used.

 

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