Petri van Someren MSc.

Managing partner, European patent attorney, Dutch patent attorney, Belgian patent attorney

Petri van Someren

Biotechnology, chemistry, pharmacy and medicinal product industry, food and food production industry, medical technology, plant breeding

Petri enjoys the challenge of closely working together with a client not only to deal with the technical aspects of an invention, but also to deliberate strategically about the further development and expansion of their patent portfolio. She has been involved in a number of complex international infringement cases, in international disputes and in opposition and appeal cases at the European Patent Office, even up to the Enlarged Board of Appeal (G2/04).

Petri studied Biology at Radboud University Nijmegen, specialising in molecular biology, biochemistry and internal medicine. Since joining Arnold & Siedsma in 1989, she has acquired substantial experience in grant procedures, oppositions and appeal procedures at the European Patent Office in the fields of biotechnology, pharmacy, food technology, environmental technology, medical sciences, diagnostics, contraceptives and is a specialist in patenting inventions in the field of plant breeding. She works closely together with patent attorneys in countries all over the world to prosecute and defend her clients’ patent portfolios.

Petri has been involved with a number of clients from the very start, setting up, building and managing their patent portfolio. She maintains close contact with research & development departments and managementto help in defining a company's patent strategy.

Petri is furthermore involved in the national training for patent attorneys as a tutor and exam corrector. She is also an experienced CEIPI tutor.

What others say about Petri:
Creative, articulate, proactive

Employment history:

1989: Patent attorney at Arnold & Siedsma
1993: European patent attorney
After completing her grammar school education, Petri studied biology at the Radboud University in Nijmegen. Her doctoral thesis was in the field of molecular biology, more particularly the stage-specific expression of the actin genes of the malaria parasite Plasmodium falciparum. This was followed by a post-doctoral internship at Ciba-Geigy in Basle.

Petri is a registered Dutch patent attorney, an accredited Belgian patent attorney and European patent attorney.

In 2009, Petri undertook post-doctoral training in Plant Breeding Rights.

Dutch, English, German, French

Outside activities and memberships:
Petri is a CEIPI tutor on the EQE preparatory courses in Strasbourg and gives tutorials for Dutch patent attorney training. Every year, she also marks one of the practical skills examinations from the Dutch training programme. Petri is a member of epi, AIPPI, the Dutch Biotechnological Association and is a reporter for Kluwer EU Patent Cases.

Petri is a member of the Nijmegen Rotary Club.

Telephone: +31 24 397 85 38