In 2006 Willem founded Lighthouse IP, the leading global IP information provider. The company since then
has expanded worldwide and has created a unique collection of patent-, trademark- and business related data. Willem started his career in 1993 at the family business Univentio. Originally founded by Lagemaat Sr. in 1952, Univentio became one of the largest patent data producers in the world. From 1996 onwards, Willem led Univentio as CEO. In 2005 the company was acquired by Reed Elsevier’s LexisNexis division.
Willem has been one of the founding members of PatCom, the association of commercial patent information service providers, for which he was president from 2004 until 2014. Willem is a regular speaker at conferences and universities.