Klaus-Ulrich Ventzke

Sabine Ottow is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Criminal Tax Practice. Sabine, who practices law in Hamburg, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sabine is held by other top lawyers in the same geographic and legal practice area.

Dr. Wolfgang Hopp studied law, biology and English in Göttingen and completed his legal clerkship in Lower Saxony. From 1997-2000, he was a research consultant at the University of Münster’s Central Institute for Spatial Planning. In 1999, he received his doctorate in spatial planning law, with a thesis on the subject of “Legal and Enforcement Issues in Spatial Planning Procedures”. Dr. Hopp has been a lawyer at ZENK since 2000. He specializes in advising and assis...

Frederik Wiemer is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Frederik, 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 Frederik is held by other top lawyers in the same geographic and legal practice area.

Born in Hamburg in 1962, Birgitta Weihrich studied law in Hamburg. After completing her legal clerkship – including a post at the Directorate-General for Competition of the European Commission in Brussels and Speyer – she was admitted to the bar in 1992. After spending a number of years in a commercial law firm in Northern Germany and as a legal advisor and authorized signatory of an insurance company, she joined ZENK in 2018. She has many years’ experience in both a wide ra...

Born in Lübeck in 1974, Dr. Peer Feldhahn’s career as a lawyer began in 2004. He has been a specialist in construction and architectural law since 2009.He spent the first 10 years of his career at a renowned construction law firm and the following five years as a partner in a commercial law firm. Since January 2019, Dr. Peer Feldhahn has been supporting the real estate & construction division of ZENK Rechtsanwälte. He advises clients on major projects in the contract draft...

Lawyer, Accredited Lawyer in Administration LawPartner

Lawyer, Accredited Specialist for Public Procurement Law Partner

Born in Kiel Victoria-Luise Vollstedt studied at the University of Freiburg im Breisgau and the University of Hamburg from 2004-2009, passing her first state examination there in 2009. 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 licensing examination in 2011 and has been a lawyer at ZENK since 201...

Dr Myrna Meyer is an expert in intellectual property, with a focus on competition, trademark, copyright, and IT law. She advises and represents national and international companies—particularly in the luxury and consumer goods sectors—ranging from major corporations to start-ups. Dr Meyer assists clients with marketing strategies, product development, communication, advertising, and international contract drafting. She represents clients in and out of court, prioritising practical...

Maxim Kleine is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Maxim, who practices law in Hamburg, Germany, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maxim is held by other top lawyers in the same geographic and legal practice area.