Representative before the EPO
Partner/Owner

Employment test 11 - 50 employees
Company dna blumbach zinngrebe patent und rechtsanwalte gbr
operating since 1934
Headquarter in Wiesbaden, Berlin and 2 offices
active in Legal Services and IP Consulting

We have observed 1 EP application Klaus Kampfenkel has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after October 12, 2013). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP14001540

Optical transmission network and optical network elements for transmitting WDM signals

IPC classification:
H04J 14/02
Applicant:
Deutsche Telekom AG
Agent:
Klaus Kampfenkel, Blumbach Zinngrebe Patent-und Rechtsanwälte GbR patentConsult
Status:
EXAMINATION REQUESTED

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