EDP Patent Attorneys B.V. is a patent law firm that started in 2011 as Ellens & van Essen B.V.

With about 10 years experience as patent attorney Ard Ellens was one of the founders in 2011 of the patent law firm Ellens & van Essen B.V. The patent attorneys are specialized in patents in the disciplines of physics, mechanics and chemistry, with themes like energy, renewables, food, nanotech, (micro)reactors and optics. The firm uses state of the art and worldwide used patent management software and patent search software.