• Dr.-Ing. Christoph Norrenbrock

Graduate Engineer

Dr. Christoph Norrenbrock

German Patent Attorney
European Patent Attorney
European Trademark and Design Attorney

Christoph Norrenbrock has considerable professional experience in drafting and prosecuting national and international applications of technical intellectual property rights with emphasis on electrical engineering. He advises a wide variety of clients, ranging from start-ups and medium-sized companies to international corporations. A focus of his work is on topics concerning the validity and enforcement of patents.

Technical focus:

Electrical engineering, Information and Communication technology, Digital signal processing, Computer-implemented methods
Artificial intelligence, Measurement and control technology, Autonomous vehicles, Human-machine interaction, Semiconductors





German Chamber of Patent Attorneys (PAK), Institute of Professional Representatives before the European Patent Office (epi), Fédération Internationale des Conseils en Propriété Industrielle (FICPI)


Christoph Norrenbrock studied electrical engineering and information technology at RWTH Aachen University with emphases on audio and image signal processing and communication technology; diploma thesis in the field of signal enhancement for hearing aids; graduation in 2009; further research activity since 2010 at Kiel University in cooperation with the Technical University of Berlin with emphases on digital speech-signal processing, speech synthesis, model-based quality estimation and machine learning; Dr.-Ing. degree in engineering sciences since 2014.

Patent-attorney training with a renowned IP firm in Munich including legal studies at the Distance-Learning University of Hagen and training periods at the Mannheim District court, the German Patent and Trade Mark Office (DPMA), and the Federal Patent Court (BPatG) in Munich; Patent attorney since 2017.