Christoph Walke

Current View:
Also ranked in:

This content is provided by Christoph Walke.

Practice Areas

Christoph has particular expertise in drafting and prosecuting patent applications as well as in attacking/defending patents in invalidity proceedings, primarily concerning technically complex and standard-related patents. Christoph has also extensive experience in supporting companies in their expansion of existing business fields and acquisition of new business units through freedom-to-operate searches and due-diligence evaluations. His current main focus however lies on patent litigation between multinational companies, including pre-litigation infringement and validity analysis of patents for case selection, and on standard essentiality opinions for patent pools.

His technical areas of expertise include information and communications technology, audio and video processing, data processing and software, cryptography and medical technology.

Professional Memberships



Christoph studied electrical engineering, specializing in communications technology, at RWTH Aachen University, graduating with distinction as a Dipl.-Ing. in 1999. He then joined the Institute for High-Frequency Technology at RWTH Aachen University, working on the subject of space/code/time division multiple access radio systems, and obtained his Dr.-Ing degree with distinction in 2002.

His education in intellectual property law started at COHAUSZ & FLORACK in 2002. After further educational stages at the District Court of Düsseldorf, the German Patent and Trademark Office and the Federal Patent Court, he was accredited as a German patent attorney and European patent attorney in 2006. Christoph joined COHAUSZ & FLORACK as a patent attorney in August 2006 and became a partner in 2009.


Roundtable - Europe’s patent landscape post-Brexit, Intellectual Asset Magazine issue 81