We are Keller Schneider, your experts on intellectual property.
Keller Schneider is a merger of the former Keller & Partner Patentanwälte AG and Schneider Feldmann AG patent and trademark attorneys. The two independent companies are working in close cooperation towards a merger. Together with K&P Patentanwaltsgesellschaft mbH, we operate under the Keller Schneider logo and offer you bundled expertise.
Our Patent Attorneys
Philipp Rüfenacht
(Partner)
(Partner)
Swiss Patent Attorney
European Patent Attorney
Dipl. Phys. University of Bern
European Patent Attorney
Dipl. Phys. University of Bern
+41 31 310 80 80 - Bern
p.ruefenacht(at)kellerschneider.com
Dr. Martin Schneider
(Partner)
(Partner)
Trademark Attorney
Dr. iur. HSG
Dr. iur. HSG
+41 43 430 32 32 - Zurich
m.schneider(at)kellerschneider.com
Mirko Schade
(Partner)
(Partner)
German Patent Attorney
MBA, Dipl.-Ing.
MBA, Dipl.-Ing.
+49 89 54 80 37 37 - Munich
m.schade(at)kellerschneider.com
Werner Roshardt
(Partner)
(Partner)
Swiss Patent Attorney
European Patent Attorney
Dipl. Phys. ETH
European Patent Attorney
Dipl. Phys. ETH
+41 52 209 02 80 - Winterthur
w.roshardt(at)kellerschneider.com
Roman Stäbler
(Partner)
(Partner)
Swiss Patent Attorney
European Patent Attorney
Dipl. El.-Ing. ETH
European Patent Attorney
Dipl. El.-Ing. ETH
+41 31 310 80 80 - Bern
r.staebler(at)kellerschneider.com
Hannes Spillmann
(Partner)
(Partner)
Swiss Patent Attorney
European Patent Attorney
PD in Experimental Physics / Nanosciences
at University of Basel
Dipl. Chem. University of Zurich
European Patent Attorney
PD in Experimental Physics / Nanosciences
at University of Basel
Dipl. Chem. University of Zurich
+41 52 209 02 80 - Winterthur
h.spillmann(at)kellerschneider.com
Alexander Grosse-Kracht (Counsel)
Swiss Patent Attorney
European Patent Attorney
Dipl. Ing. Energy and process engineering
European Patent Attorney
Dipl. Ing. Energy and process engineering
+41 43 430 32 32 - Zurich
a.grossekracht(at)kellerschneider.com
Céline Schwarzenbach
Attorney at Law
Trademark Attorney
lic. iur. Uni ZH, MIBL
Trademark Attorney
lic. iur. Uni ZH, MIBL
+41 43 430 32 32 - Zurich
c.schwarzenbach(at)kellerschneider.com
Samuel Gutmann
Swiss Patent Attorney
European Patent Attorney
Dipl. Chem. FH, Dipl. Math. University of Bern
European Patent Attorney
Dipl. Chem. FH, Dipl. Math. University of Bern
+41 31 310 80 80 - Bern
s.gutmann(at)kellerschneider.com
Justin Hoppler
Swiss Patent Attorney
European Patent Attorney
Dipl. Phys University of Bern
European Patent Attorney
Dipl. Phys University of Bern
+41 31 310 80 80 - Bern
j.hoppler(at)kellerschneider.com
Stephan Kessler
Swiss Patent Attorney
European Patent Attorney
M.Sc. Biochemistry, University of Bern
European Patent Attorney
M.Sc. Biochemistry, University of Bern
+41 31 310 80 80 - Bern
s.kessler(at)kellerschneider.com
Evelyn Zwick
European Patent Attorney
Swiss Patent Attorney
Dipl. Phys. ETH, MBA
Swiss Patent Attorney
Dipl. Phys. ETH, MBA
+41 43 430 32 32 - Zurich
e.zwick(at)kellerschneider.com
Franziska Strebel Preiswerk
Trademark Attorney
MLaw UZH
MLaw UZH
+41 43 430 32 32 - Zurich
f.strebel(at)kellerschneider.com
Rolf Oertig
European Patent Attorney
Dipl. Ing. ETH
Dipl. Ing. ETH
+41 43 430 32 32 - Zurich
r.oertig(at)kellerschneider.com
Franz Möltgen
European Patent Attorney
German Patent Attorney
Dipl.-Ing. Mechanical Engineering
German Patent Attorney
Dipl.-Ing. Mechanical Engineering
+49 89 54 80 37 37 - Munich
f.moeltgen(at)kellerschneider.com
Beate Hanika
Attorney at Law for Trademark and Design Protection
+49 89 54 80 37 37 - Munich
b.hanika(at)kellerschneider.com
Julia Hostettler
Trademark Attorney
MLaw UniLu
MLaw UniLu
+41 43 430 32 32 - Zurich
j.hostettler(at)kellerschneider.com
Gerhard Wiese
European Patent Attorney
German Patent Attorney
Dipl.-Ing. (FH)
German Patent Attorney
Dipl.-Ing. (FH)
+ 49 82 62 900 50 - Mindelheim
g.wiese(at)kellerschneider.com
Our Consultants
Ueli Grüter
Attorney at Law
LL.M.
LL.M.
+41 43 430 32 32 - Zurich
zuerich(at)kellerschneider.com
Clarence Feldmann
European Patent Attorney
Swiss Patent Attorney
Dipl. Ing. FH
Swiss Patent Attorney
Dipl. Ing. FH
+41 43 430 32 32 - Zurich
c.feldmann(at)kellerschneider.com