Patent Attorney in Vienna – Prof. Dr.-Ing. Klaus Castell
Vienna Office – Patent Attorney & Trade Mark Law in Vienna
Our Vienna office is your go-to address for intellectual property protection, not only in Austria. As patent attorneys and consultants specialising in trade mark, design and patent law, we support companies, start-ups, research institutions and individual inventors both locally in Vienna and throughout Austria.
We provide comprehensive advice on the filing of national patents, European patent applications, trade mark protection, design applications, and the strategic development and management of your intellectual property portfolio. In doing so, we place particular emphasis on a commercially sound intellectual property strategy that safeguards your innovation in the long term and ensures it can be enforced.


