Martin Kefferpütz

Born in Helgoland in 1966, Dr. Carsten Oelrichs trained as an industrial business administrator before going on to study law at the University of Hamburg, where he also worked as a research assistant at the Chair of Commercial, Shipping and Business Law. He received his doctorate in 1998, with a thesis on “Creditor Participation and Voting Bans in New Insolvency Proceedings”. Dr. Oelrichs has been a lawyer at ZENK since 1998. Dr. Oelrichs is partner with ZENK. For several years ru...

Lawyer Partner

Born in Hamburg in 1963, Jan Dietze studied law in Passau and at King’s College in London, UK, where he obtained his Diploma of Legal Studies. He also studied in Freiburg and at Europa-Kolleg in Bruges, Belgium, where he obtained the Diplôme D’Hautes Études Européennes. Jan Dietze has been a lawyer at ZENK since 1995 and is partner with ZENK. His practice focuses on corporate and commercial law and M&A. He also specializes in antitrust law and compliance. M...

Sergio Binkowski is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Sergio practices law in Hamburg, Germany Best Lawyers has recognized Sergio Binkowski 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 Sergio Binkowski is held by other lawyers.

Henning Wendt is a lawyer recognized by Best Lawyers in the practice area of Public Law. Henning practices law in Hamburg, Germany Best Lawyers has recognized Henning Wendt since 2027. 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 Henning Wendt is held by other lawyers.

Lawyer, Accredited Specialist for Public Procurement Law Partner

Prof. Dr. Stefanie Hartwig, born in Göttingen in 1974, studied law in Kiel and Liège from 1994 to 1998 and then completed postgraduate studies in commercial law in Hamburg. After completing her studies, she was a trainee lawyer in Hamburg and New York and a research assistant at the University of Hamburg. She completed her doctorate in 2002. Ms. Hartwig has been working as a lawyer since 2003. She initially worked in a major international law firm and later joined ZENK. She has al...

France—its culture, language and way of life—has fascinated Dr Frank Hagemann since his youth. It was therefore a fortunate coincidence when the Hamburg-based law firm Seelig, that later merged with FPS, was seeking support in trade mark law for the French market at just the right time, allowing him to combine his professional and personal interests. While his international work is wide-ranging, Dr Hagemann has always placed particular emphasis on maintaining and expanding his Fre...

Victoria-Luise Vollstedt, born in Kiel, studied at the University of Freiburg im Breisgau and the University of Hamburg. After passing her First State Examination in law, she completed her legal clerkship at the public prosecutor’s office, the District Court of Lübeck, the City of Ahrensburg and at several medium-sized law firms in Hamburg, where she focused on civil law. She passed her Second State Examination in 2011. She further enhanced her practical expertise by completing a p...

Can law and creativity go together? Absolutely! Anne Christa Berger focuses on the protection of intellectual property, a practice area she concentrated on during her studies in Münster. To enhance her knowledge, she completed specialized foreign-language training in US law and earned a Master of Laws (Commercial Law) from the University of Auckland, New Zealand. Anne Christa gained valuable experience at a major law firm in Stuttgart and spent several years at an IP boutique in Hamburg ...