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Workbook Title - FIZ Karlsruhe

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Documents can be classified with:<br />

Advanced Level only<br />

Core Level only<br />

Advanced and Core Level<br />

Sub-Class Level only (small patent offices)<br />

Document with Advanced Level Codes:<br />

The format of a notation is: ANNAnnnN/NNnnnn<br />

A: letter<br />

N: digit<br />

n: optional digit; if the digits are not needed, the space is left empty (not filled with 0 on the<br />

original document)<br />

Section Class Sub-Class Group Sub-Group<br />

A NN A nnnN / NNnnnn<br />

A-H 01-99 A-Z 1-9999 00-999999<br />

The format of the version indicator on the document is: (YYYY.MM)<br />

YYYY: year<br />

MM: month<br />

The core level indicator only quotes the year.<br />

Version indicator<br />

Additional related information is included in the meta data provided by the patent authorities and<br />

is available for search and display in the databases.<br />

Documents already present in the databases are continuously updated to match the current version<br />

of the IPC.<br />

INPADOCDB bei STN International | Page 30

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