Frederik Wiemer

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...

Thorsten Herms is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Thorsten, 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 Thorsten is held by other top lawyers in the same geographic and legal practice area.

Dr Thorsten Bieg advises national and international companies, creditors, investors and suppliers/customers in situations of crises. He specialises in the areas of insolvency law and restructuring, legal, financial and accounting reorganisation, trusteeships, corporate law, mergers & acquisitions and advice in times of crisis.

Marc Odebrecht is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Marc, 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 Marc 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...

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...

Georges Brox’s journey began in the dynamic nineties in Berlin, where he first worked at the Berlin office of a French law firm. His career then took him to Hamburg, where he developed a passion for intellectual property protection. Georges has been a partner at FPS since 2005. Focusing on trade mark and design law, he represents and advises both national and international companies in all aspects of intellectual property and copyright law. His practice includes developing protection st...

John-Patrick Bischoff is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. John-Patrick, 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 John-Patrick is held by other top lawyers in the same geographic and legal practice area.

Olaf Hartenstein is a top attorney recognized by Best Lawyers in the practice area(s) of Maritime Law and Transportation Law. Olaf, 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 Olaf is held by other top lawyers in the same geographic and legal practice area.

2011 Arbitrator of the Independent Film & Television Alliance (IFTA) 2008 Board-Certified Attorney for Intellectual Property Law (Fachanwalt für gewerblichen Rechtsschutz) 2007 Board-Certified Attorney for Copyright and Media Law (Fachanwalt für Urheber- und Medienrecht) 1998 New York Bar Exam (Attorney-at-Law) LL.M. in Trade Regulations, New York University (NYU), USA 1997 Second State Examination in Law, Regional Court of Appeals Hamburg (legal trainee at German Embassy Singap...