Derk Visser studied applied and pure physics at Twente University (NL), Oxford University (UK) and Groningen University (NL), where he received his PhD in phyiscs. He worked as scientist in research and development at Philips Electronics for ten years. During this period he was involved a.o. in the standardisation of optical disks and wrote the ISO standard for the CD-ROM and the template for the DVD and Blu-ray standards.
In 1990 he joined the patent department of Philips Electronics, where he obtained the position of Senior Patent Attorney. He qualified as European patent attorney in 1993 and as Dutch patent attorney in 1995. He acquired extensive experience in drafting and prosecuting patent applications and conducting oppositions. In 2005 he joined EIP llp in London, where he was a partner and is now of counsel.
Derk is highly regarded as an authority on the European Patent Convention, having provided legal opinions on procedural and substative issues relatening the EPC both in pre-grant proceedings and in large patent validity court cases.
He teaches European patent law all over Europe and speaks on behalf of the epi at seminars on the EPC organised by the epi and the European Patent Office.
The book The Annotated European Patent Convention grew out of lecture notes Derk took during his preparation for the European Qualifying Examination in the early nineties. The first edition was published in 1994 and has been updated annually. The book has become the foremost commentary on European patent law and is a best-seller in the field of patent law.