Marburg Site
Patent Attorneys Olbricht Buchhold Keulertz & Partner
Am Weinberg 15
35096 Weimar/Lahn
Germany
nw@hessenpatent.de
Phone: +49 (0) 6421.30 99 30
Frankfurt Site
Patent Attorneys Olbricht Buchhold Keulertz & Partner
Schumannstr. 34b
60325 Frankfurt/Main
Germany
fra@hessenpatent.de
S/MIME key
Phone: +49 (0) 69.78 90 401 0
Fax: +49 (0) 69.78 90 401 10