Derk Visser studied physics and worked at Philips Electronics as researcher and developer for about ten years.
In 1990 he moved to the patent department of Philips Electronics, where he obtained the Dutch and European qualifications.
He published the first edition of his book The Annotated European Patent Convention in the spring of 1994.
In 2005 he moved to the London firm EIP, where he became partner and since 2016 of counsel. His practice focuses on legal advice work. Derk is actively involved in training students for the eqe all over Europe.