Founder since 1992
Partner/Owner since 1992
Representative before the EPO

Employment test 1 - 10 employees
Company dna christophersen and partner patentanwalte
no operation time available
Headquarter in Düsseldorf and 1 office
active in Legal Services

Representative before the EPO

Company dna christophersen and partner
no operation time available
2 offices
active in Legal Services

We have observed 1 EP application Ulrich Christophersen has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 17, 2012). 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:

EP16000785

METHOD FOR IMPROVED PROTECTION OF AN ELECTRONIC DEVICE AGAINST OVERCURRENT AND OVERVOLTAGE AND RETROFIT KIT FOR IMPLEMENTING SAID METHOD

IPC classification:
H02H 3/06, H02H 3/08, H02H 3/093, H02H 3/10, H02H 3/20
Agent:
Multiple attorneys, Bungartz Christophersen Partnerschaft mbB
Status:
EXAMINATION REQUESTED

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