Jan Hendrik Groß

Thomas Kerkhoff is partner in our Düsseldorf office. For many years he has been advising clients on intellectual property law. His work includes advice on trademarks, their protection and their realisation. In cooperation with accountants and business economists he is regularly involved in the taxational assessment of trademarks. His work also includes all aspects of copyright protection, designs and unfair trading. He also does litigation in cases of intellectual property infringements ...

Dr. Manuel Knebelsberger is Counsel at Hausfeld in Düsseldorf, specializing in competition law and competition litigation. Before joining Hausfeld, Manuel worked in the competition department of one of the biggest international law firms where he acquired a broad experience in all aspects of competition law, ranging from classic antitrust and merger control to procurement and state aid matters. In addition to advising clients on general competition law, Manuel regularly represents client...

Antonio Calderón is a lawyer recognized by Best Lawyers in the practice area of Mergers and Acquisitions Law. Antonio practices law in Düsseldorf, Germany Best Lawyers has recognized Antonio Calderón since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Antonio Calderón is held by other lawyers.

Markus Heider is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Markus practices law in Cologne, Germany Best Lawyers has recognized Markus Heider since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Markus Heider is held by other lawyers.

Justus Kreuels´ practice involves patent prosecution in the fields of mechanical engineering, automotive engineering, information technology and medical engineering and patent opposition as well as invalidity proceedings before the European Patent Office, the German Patent and Trademark Office, and the Federal Patent Court. He studied mechanical engineering at the Technical University of Munich (TUM) and at RWTH Aachen University where he graduated as Master in Engineering in 2007. In 2...

Arnt Göppert is a lawyer and partner at Friedrich Graf von Westphalen & Partner. He has been working in the corporate law and M&A practice of Friedrich Graf von Westphalen & Partner's Cologne office since 2013. Arnt Göppert is a transaction specialist advising clients on corporate acquisitions and disposals, corporate actions and financing. His clients include owner-managed companies as well as international funds, listed companies and financial institutions. A particula...

Monika Wenz is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Monika practices law in Düsseldorf, Germany Best Lawyers has recognized Monika Wenz since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Monika Wenz is held by other lawyers.

Sebastian Faust is a lawyer recognized by Best Lawyers in the practice areas of Competition / Antitrust Law and Mergers and Acquisitions Law. Sebastian practices law in Düsseldorf, Germany Best Lawyers has recognized Sebastian Faust since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sebastian Faust is held by other lawyers.

Wibke Schumacher is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Tax Law. Wibke practices law in Cologne, Germany Best Lawyers has recognized Wibke Schumacher since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Wibke Schumacher is held by other lawyers.

Hermann Kahlhöfer advises clients in patent law, in particular in the fields of electrical engineering, medical technology and physics. He has been working in the field of intellectual property for more than 40 years and has extensive experience in the field of national and international patent prosecution procedures and patent infringement matters as well as in the development and exploitation of intellectual property portfolios. After completing two years of military service with a spe...