Stephan Kessen

Kai Tumbrägel is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Media Law. Kai, who practices law in Cologne, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kai is held by other top lawyers in the same geographic and legal practice area.

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...

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

Thomas Hauss is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Thomas, who practices law in Düsseldorf, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas is held by other top lawyers in the same geographic and legal practice area.

Born in 1959 Trained and worked as police officer in North Rhine-Westphalia, 1979 - 1983 Legal studies and clerkship at Bielefeld University State bar exam and bar admission in 1989 Worked in the legal department of Dr. Oetker Nahrungsmittel KG, Bielefeld, 1990 - 1991 With the firm since 1992 Certified Specialized Attorney in Administrative Law since 1993 Doctor of Laws (Dr. jur.) 1994 under Prof. Dr. Hans-Jürgen Papier Visiting lecturer at the University of Rostock since 2002 Honorary P...

Dr. Alex Petrasincu is Managing Partner at Hausfeld in Germany. He advises on all aspects of European and German competition law with a special focus on antitrust litigation. Alex is specialized in representing parties in cartel damages actions before the German courts, and has advised on damages actions in various jurisdictions. Alex has represented parties in and advised on actions before numerous German District Courts, Courts of Appeals, the German Constitutional Court, as well as the Eur...

Sven Köhnen is a lawyer and partner at the Cologne office of Friedrich Graf von Westphalen & Partner and a certified specialist for labor and employment law. He also is a lecturer at the Cologne macromedia University of Applied Sciences. His focus is on commercial and distribution law on a national and international level, particular within the automobile sector but also in other areas (insurance, financial services, medical technology, construction, energy, IT, furniture design, pac...

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

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

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