Bjørn S. Andersen
European Patent Attorney / Partner

Phone: (+47) 23 32 77 37


Bjørn S. Andersen is a European Patent Attorney specialising in intellectual property for i.a. electronics, computing, technology and control engineering sectors. He has a particular interest in patent rights for software and e-commerce businesses. His IP consulting work is highly valued by clients seeking to protect their inventions by patents or assess competitor patent rights. He was formerly an Examiner at The Norwegian Industrial Property Office (NIPO).

Key Experience

Bjorn’s experience includes assessment of new ideas, identification of possible patentable inventions, preparing and prosecuting patent applications, preparing and prosecuting oppositions and appeals, preparing validity opinions and preparing evaluations of infringement.
He has worked with a wide range of Norwegian and overseas companies, in sectors that include: communications, computer technology, measurement/control, oil & gas exploration and production, renewable energy, electrical engineering, and medical technology.
Identifying possibilities for nullifying or opposing patents, and preparing thorough and effective oppositions, are among Bjørn’s favourite expertise areas. He has successfully conducted many opposition cases, and has represented clients before the European Patent Office, PCT authorities and NIPO (Norwegian Patent Office).

Career History

2008 – Date: Onsagers, European Patent Attorney
1999 – 07: Onsagers, Patent Attorney
1996 – 99: The Norwegian Industrial Property Office (NIPO), Patent Examiner
1993 – 96: University of Oslo, Principal Engineer


1988 – 92: Norwegian University of Science & Technology, M.Sc, Industrial Computer Engineering/Engineering Cybernetics
1983 – 86: Oslo and Akershus University College, Bachelor of Engineering (B.Eng.), Engineering Cybernetics


Professional Memberships

• European Patent Institute (epi)
• International Federation of Intellectual Property Attorneys (FICPI)
• Norwegian Association for Industrial Rights Protection (NIR)