Adrian Haase

Markus Appel is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Public Finance Law and Public Law. Markus, who practices law in Berlin, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Markus is held by other top lawyers in the same geographic and legal practice area.

Born in Aachen in 1965, Dr. Oliver Nowoczyn studied law in Constance, Geneva (Switzerland) and Freiburg/Breisgau. After completing his legal clerkship in Berlin and Boston, USA, he received his doctorate in European law in Freiburg in 1995. His thesis was on the subject of “Educational policy competencies of the EU after Maastricht”. Dr. Oliver Nowoczyn has been a lawyer at ZENK since 1995 and a notary since 2007.

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

Claudia Gehricke, born 1986 in Berlin, studied law at the European University Viadrina in Frankfurt/Oder and at the University of Essex, UK. She completed her legal traineeship in Berlin at the Court of Appeal and was already working at ZENK’s Berlin office during her traineeship. Further stages of her legal traineeship took her to the Federal Ministry of Economics and an international business enterprise, among others. Claudia Gehricke has been a lawyer at ZENK since 2015. She is a sal...

Prof Dr Thomas Höppner is a partner with Geradin Partners. Before joining Geradin Partners in 2025, Thomas was a partner at Hausfeld for ten years. With over 20 years of experience, Thomas has advised clients on a broad range of contentious and non-contentious antitrust and regulatory matters. He has assisted clients on numerous high-stake investigations, including some of the most complex cases in the tech, media and network industries. Thomas is also a trusted litigator on matters of E...

Studies in mechanical engineering and process engineering at the RWTH Aachen and the Imperial College London (until 1991) Doctoral degree (Dr.-Ing.) at the ETH Zürich, Laboratory for Technical Chemistry (1991-95) Consultant (1991-95) in the area of process simulation und dynamics Patent attorney (since 1999), partner at Maikowski & Ninnemann (since 2000) LL.M. (European Intellectual Property Law) at the Kurt-Haertel Institute, Fernuni Hagen Since 2002 lecturer und since 2009 honorary...

Born in Duisburg in 1974, Dr. Kostja von Keitz studied law in Düsseldorf. He received his doctorate in European nature conservation and national administrative procedural law in 2005, with a thesis on the subject of “The Legal Protection of Private Individuals against Special Areas of Conservation”. He began his career as a lawyer in 2005, working initially for a major international law firm. He became a specialist in administrative law 2008 and joined ZENK in 2009. He has be...

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

In the field of technical intellectual property rights, Sebastian Schlegel deals with the filing of German and international patents and utility models. He is also concerned with opposition proceedings and revocation proceedings. Sebastian Schlegel studied mechanical engineering at the Technische Universität Berlin and the Universitat Politècnica de Catalunya in Barcelona, specializing in biomedical engineering. He joined BOHMERT & BOEHMERT in 2016.

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