Düren Office – Your experts in intellectual property law

At our Düren office, we combine many years of experience in intellectual property law with a strong international network. Working alongside specialist patent attorneys and solicitors worldwide, we support you in protecting your invention, in its strategic commercialisation, and in the consistent enforcement of your rights – both nationally and internationally.

Through our close collaboration with Aachen University of Applied Sciences, our clients benefit from direct access to professors from a wide range of disciplines. This enables us to provide technically sound and legally watertight substantiation of technical matters, as well as to establish valuable contacts for commercial exploitation.
Professor Dr Castell also volunteers his time each year to mentor 15 to 20 students, guiding them through the development and drafting of their patent applicat