| - Authorization to act before the German Patent and Trademark Authorities (as PDF-File, 16 kB)
- Authorization to act before the European Patent Office (EPO) under the European Patent Convention (EPC) and Patent Corporation Treaty (PCT) (as PDF-File, 80 kB)
- Authorization to act before the European Community Trademark Office in Alicante (OHIM) (as PDF-File, 37 kB)
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