Axel Kallmayer

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...

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...

Christoph Angerhausen is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Christoph, who practices law in Düsseldorf, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christoph is held by other top lawyers in the same geographic and legal practice area.

Claudia Maaßen LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. She has been working in the litigation and arbitration practice group of Friedrich Graf von Westphalen’s Cologne office since 2016. Claudia Maaßen is a specialist in dispute resolution with a focus on manager liability and D&O and product liability. Her clients include insurance companies, managers and private companies. Claudia Maaßen speaks German, French and English.

Katja Schramm is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Regulatory Practice. Katja, who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katja is held by other top lawyers in the same geographic and legal practice area.

André-M. Szesny is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Criminal Tax Practice. André-M., who practices law in Düsseldorf, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which André-M. is held by other top lawyers in the same geographic and legal practice area.

Ulrike is one of the leading personalities in the field of dispute resolution - in particular for national and international arbitration. Due to her expertise, she is regularly appointed as arbitrator and advises her clients as party representative in complex proceedings. Two main core areas of Ulrike’s practice are turn-key construction (including energy related projects) and post-M&A. She relies on her extensive experience as an advisor for corporate and M&A. Furthermore, she ...

Born in 1934 Legal studies at the Universities of Marburg, Münster and Berlin First Exam ("1. Staatsexamen") in 1957 Doctor of both Laws (Dr. jur. ut.) 1960 Legal clerkship ("Referendariat") in at the Detmold and Berlin District Courts Second (Bar) Exam ("2. Staatsexamen") in 1962 First bar admission in 1962 Managing director of an industrial company, 1964 - 1973 Renewed bar admission in 1973 Certified Specialized Attorney in Tax Law since 1973

Jörn Zons is a lawyer and partner at Friedrich Graf von Westphalen & Partner in Cologne. Jörn’s main focus lies on German and international construction and engineering projects as well as domestic and international dispute resolution in litigation, arbitration and alternative dispute resolution proceedings. He is also a regular referee on German and international construction and engineering projects and dispute resolution at seminars, associations and in-house for compan...

Herbert Posser is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law and Public Law. Herbert, who practices law in Düsseldorf, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Herbert is held by other top lawyers in the same geographic and legal practice area.