Oliver Köster

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. For several years running, he has been named by JUVE as...

Martin has worked in litigation and arbitration for more than fifteen years. He has extensive experience in representing clients before state courts and arbitral tribunals. As an experienced litigator, Martin represents national and international clients in commercial disputes before the German regional and higher regional courts. In the field of arbitration, he has conducted proceedings as counsel under various arbitration rules (including ICC, DIS, GMAA and in ad hoc proceedings). He also r...

Askan Deutsch advises and represents German and international clients in all areas of intellectual property law. He has extensive experience in competition, trade mark, design, copyright and domain law, as well as in patent, utility model, IT and data protection law. He supports companies in developing trade mark strategies, designing advertising measures and websites, and enforcing or defending preliminary injunctions and legal proceedings, including before the German Patent and Trade Mark O...

Thomas Schulz is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Thomas, who practices law in Hamburg, Germany, has been recognized since 2026. 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 Göttingen in 1974, Dr. Stefanie Hartwig studied law in Kiel and Liège from 1994 to 1998 and completed her postgraduate studies in business law in Hamburg. Thereafter, she worked as a trainee lawyer in Hamburg and New York and as a research associate at the University of Hamburg. She completed her doctorate in 2002. Ms. Hartwig has been working as a lawyer since 2003, initially in a major international law firm and since 2005 at ZENK. Since 2007, she has also been a special...

Dr Menso Engelmann has been practising as a lawyer in the field of corporate law and M&A since 2008. He advises private individuals, strategic and financial investors, private equity funds, family businesses, joint ventures, and listed companies on all aspects of corporate transactions. He also provides guidance on transactions in the context of corporate crises and restructurings under transformation law, as well as on real estate transactions. In corporate law, his focus is on stock cor...

Julia Luther is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Julia, who practices law in Hamburg, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julia is held by other top lawyers in the same geographic and legal practice area.

Florian Schulz is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Florian, who practices law in Hamburg, Germany, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Florian is held by other top lawyers in the same geographic and legal practice area.

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

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