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FieldDescriptionField TypeXML Source PathExamplesMultivaluedIndexedStoredRequired
patent-document/bibliographic-data/technical-data
iclIPCR displaystring./classifications-ipcrNot indexedx x 
cpclCPC displaystring./classifications-cpcNot indexedx x 
usclUS national class displaystring./classification-national/@country=USNot indexedx x 
ficlJP national class displaystring

./classification-national/@country=JP

Not indexedx x 
icinternational classificationalexandria_string 

A61K 9/00 becomes:

A
A61
A61K
A61K0009
A61K000900

xx  
xxicl1 - icl5

tokenized international classification**

alexandria_string icl1:A
icl2:A61
icl3:A61K
icl4:A61K0009
icl5:A61K000900
xx  
cpcCP classificationalexandria_string 

A61K 9/2893 becomes:

A
A61
A61K
A61K0009
A61K00092893

xx  
xxcpcl1-cpcl5

tokenized CP classification**

alexandria_string 

A61K 9/2893 becomes:

cpcl1:A
cpcl2:A61
cpcl3:A61K
cpcl4:A61K0009
cpcl5:A61K00092893

xx  
ucUS classificationalexandria_string 161
161234
xx  
xxucl1-ucl3

tokenized US classification**

alexandria_string ucl1:161
ucl2:161234
xx  
fiFI classificationalexandria_string 

A63F 5/04 513B becomes:

A
A63
A63F
A63F0005
A63F000504

xx  
xxfil1-fil5

tokenized FI classification**

alexandria_string 

A63F 5/04 513B becomes:

fil1:A
fil2:A63
fil3:A63F
fil4:A63F0005
fil5:A63F000504

xx  
ftermF-Termsalexandria_string./fterm-info/ftermsA
A61
A61K
A61K0001
A61K00010000001
xxx 
eclaECLA classificationalexandria_string./classification-eclaA
A61
A61K
A61K0001
A61K00010000001
xxx 

**Note: Classification levels for iccpc, fi, and ecla are indexed as follows:

 l1=section
 l2=section+class
 l3=section+class+subclass
 l4=section+class+subclass+group
 l5=section+class+subclass+group+subgroup

    Classification levels for uc are indexed as follows:

l1=class
l2=class+subclass (as an integral number)
l3=class+subclass with trailing decimal if exists

 

Further Reading

For more information about the content of the fields listed, see the XML Content Description for technical-data classification.

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