The following links may be helpful for you in case that you are interested in details of Intellectual Property.

German patents, utility models, trademarks, designs and further matters relevant for Germany

German Patent and Trademark Office (DPMA)

European patents

European Patent Office (EPO)

trademarks and designs in the European Union

European Union Intellectual Property Office (EUIPO)

international patents, trademarks and designs

World Intellectual Property Organization (WIPO)

information about German patent attorneys

Professional Association of German Patent Attorneys

information about European patent attorneys

Institute of Professional Representatives before the European Patent Office (epi)