Arnoud Engelfriet is a ICT legal advisor and European patent attorney. He specializes in software licensing and Internet IP issues, since 1993. The last nine years he had been working for Philips as Open Source specialist and developed their Open Source policy. In 2008 he switched to ICTRecht as partner. He published as first an analysis of the GPLv3 license in the Dutch language. His website IusMentis.com carries over 300 articles on law and technology.