Tjeerd Overdijk studied Law at Leiden University and has been a lawyer since 1984. With over 25 years of experience, he is an all-rounder in the field of Intellectual Property with a special interest in Plant Variety Rights. He was involved in the world’s first court case on the concept of Essentially Derived Varieties (EDVs) and he has gained considerable experience on this subject. He also has experience with litigation before the Board of Appeal of the Community Plant Variety Office in Angers, France. Tjeerd is a member of various professional associations, including CIOPORA, the Netherlands Copyright Association, the AIPPI, INTA, MARQUES and the European Communities Trademarks Association (ECTA).