http://www.espacenet.com  (http://www.espacenet.com)

DEPATISnet (http://depatisnet.dpma.de)

USPTO (http://www.uspto.gov)

Google (http://www.google.de)

ABK (http://www.ABK-IP.com)

German Federal Supreme Court (BGH) (http://www.bundesgerichtshof.de)

German Patent and Trademark Office (GPTO) (http://www.dpma.de)

Federal German Patent Court (FGPC) (http://www.bundespatentgericht.de)

The Court of Justice of the European Cummunities (http://curia.europa.eu)

European Patent Office (EPO) (http://www.epo.org)

Office for Harmonization in the Internal Market (OHIM) (http://oami.europa.eu)

Japan Patent Office (JPO) (http://www.jpo.go.jp)

United States Patent and Trademark Office (USPTO) (http://www.uspto.gov)

Word Intellectual Property Organisation (WIPO) (http://www.wipo.int)

ABK Orphan Drugs (http://www.orphan-drug.de)