Stephan Kessler

European Patent Attorney
MSc Biochemistry UniBE, MAS IP ETHZ

Professional Practice

Shortly after the completion of his master’s degree in Biochemistry, Stephan Kessler discovered his interest in intellectual property which led him to participate at postgraduate studies at the ETH in Zürich, where he acquired a master’s degree in intellectual property. After a short internship he started with his first job as „patent liaison“ at a mayor international medical technology company. To acquire the practical experience required to qualify as European Patent Attorney, he took a position as patent engineer at a patent law firm in the eastern part of Switzerland, where he gained patent related knowledge in a multitude of technical fields.

Preferred Technical Fields

•  Medical technology

•  Adhesive and polymer chemistry

•  Biotechnology

•  Food production and processing

•  Mechanics



Master’s degree in Biochemistry at the University of Berne


Master’s degree of advanced studies in intellectual property (MAS IP) at the ETH in Zürich and internship at the patent department of a major chocolate producer


Patent Liaison at a major medical technology company


Patent engineer at a patent law firm in the eastern part of Switzerland


Patent engineer at Keller & Partner Patentanwälte AG


Admission as European Patent Attorney


Board member of the alumni associations «MAS IP alumni» and «DCB Alumni – Berner ehemalige Chemiestudierende».

Personal Details

Born 1980 and currently living in Berne.
Interests: Travel, cooking, reading, history, politics, web design.