Search overview

Basic

Select the Basic mode if you are a newcomer or have little searching experience. It has an easy-to-use intuitive search interface.

Advanced

The Advanced search allows you to search in different search fields and to combine the selected fields according to your needs.

Expert

The Expert mode is recommended for users experienced in patent searches. This mode allows to create more complex search queries.

Ikofax

The IKOFAX mode is suitable for users proficient in the fields of IKOFAX syntax and the DEPATIS database system.