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Welcome to Keller & Partner!


We are competent in the field of Patents, Trademarks and Designs and we develop appropriate IP-Strategies for the needs of our clients. To enable our clients to achieve their goals in an effective and efficient manner, we pursue a thorough analysis in each case, we propose proactive solutions which we communicate in a concise manner.

Werner A. Roshardt (Partner)

Patent attorney VSP
European Patent Attorney
Dipl. Phys. ETH

 

Professional practice

More than 20 years experience in examination proceedings, opposition proceedings , patent infringement, patent invalidation, trademark registration and opposition, licenses.

Preferred technical fields:

  • laser
  • optics
  • communication technology
  • health products
  • mechanical engineering

Career

1985:

Degree in Physics (special subject: optics) at ETH Zürich

1986:

Softwareengineering at Contraves AG (Zürich)

1987:

ABB Patent department (power semiconductors, sensors, communication technology)

1991:

Admission to the European Patent Office (European Patent Attorney)

1991:

Employment at Keller & Partner Patentanwälte

1995:

Partner at Keller & Partner Patentanwälte AG

1999:

Partner at Keller & Partner Patentanwälte AG

2001:

Training in US patent law (Washington)

2002:

Training NLP (NLP-Akademie Schweiz)

2003:

Training „European Patent Litigation“ at the Robert Schumann University Strassburg

2009:

IP lecturer at Lucerne University of Applied Sciences and Art

Memberships

VSP (vice president), FICPI (delegate of VSP), VESPA, epi, LES, INGRES, AIPPI, Arbeitskreis Bartenbach

Personal details

Born in 1960 in Windisch (Aargau). Married and resident in Pfungen. Hobbies: Biking, classical music, piano playing, swimming, baking, studying models of human communication.


Team:

Bern
Schmiedenplatz 5, Postfach
CH-3000 Bern 7

Phone: +41 31 310 80 80
Fax: +41 31 310 80 70/71
Winterthur
Bahnhofplatz 18, Postfach 2005
CH-8401 Winterthur

Phone: +41 52 209 02 80
Fax: +41 52 209 02 81