PATONakademie

In-service training | Patent Engineer / Patent Manager, Patent Researcher

Seminar material

Guides to STN Patent Databases

For patent search with STN Patent Databases,  Guide to STN Patent Databases was developed and represent a teaching and working material as well as a reference source: The searcher with background knowledge in the patent system and online search is supported when entering the patent databases and the occasional searcher is reminded of particularities.

The Document Kind Codes in STN Patent Databases lists the document types (/PK) codes and their meaning in the international patent databases Chemical Abstracts (CA), Chemical Abstracts Plus (CAPLUS) and INPADOCDB. The countries are sorted by their two-letter codes. The frequency of the individual codes listed next gives an indication of how many documents can be expected when searching for countries or types of documents. The list contains only codes for which there are documents.

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