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Search options available in STN databases - FIZ Karlsruhe

Search options available in STN databases - FIZ Karlsruhe

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27.9.7.1 DWPI, etc.<br />

Types of search<br />

The issue of D0 publications does not exist <strong>in</strong> DWPI or other <strong>databases</strong> because this type of documents is not<br />

entered there. Anyway, the issue of patent assignees not be<strong>in</strong>g <strong>available</strong> <strong>in</strong> US applications should be considered.<br />

The ED field is set when the Application is entered <strong>in</strong>to the database. When the document is updated, e.g. after<br />

grant of a patent, and the patent assignee becomes <strong>available</strong> the ED field rema<strong>in</strong>s unchanged. In this case the /UP<br />

IMINATE PREVIOUSLY SEEN<br />

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