Partner/Owner since 2009

Representative before the EPO

Employment test 11 - 50 employees
Company dna patentanwalte dr keller and schwertfeger
operating since 1927
Headquarter in Landau, Berlin
active in Legal Services

We have observed 1 EP application Christian Keller has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after April 22, 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:

EP11751538

METHOD AND INSTALLATIONS FOR THE SEMI-CENTRALIZED TREATMENT, PREPARATION AND USE OF BIOGENOUS SUBSTANCE STREAMS IN AGRO-URBAN SETTLEMENT SYSTEMS ON THE MODEL OF A RECYCLING ECONOMIC SYSTEM THAT MAKE SPARING USE OF RESOURCES

IPC classification:
C02F 1/32, C02F 1/44, C02F 3/04, C02F 3/32, C02F 9/00, C02F 103/00
Agent:
Christian Keller, Patentanwälte Dr. Keller & Schwertfeger
Status:
GRANT OF PATENT INTENDED

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