Jan Peter Heidenreich

Sebastian Jungemeyer is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Sebastian, 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 Sebastian is held by other top lawyers in the same geographic and legal practice area.

Gül Pinar has been advising and defending clients exclusively in the field of criminal law for over 25 years. She draws on a high degree of specialization and decades of forensic experience from numerous major trials. These include proceedings before the Higher Regional Courts, oral hearings before the Federal Court of Justice, constitutional complaints, and proceedings before parliamentary investigative committees. Her experience as a criminal defense attorney in the fight for the right...

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...

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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...

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

Maria von Rosen is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Maria, 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 Maria is held by other top lawyers in the same geographic and legal practice area.

Daniel Hoppe advises and represents clients in Germany and abroad on all questions of intellectual property, in particular on patent and employee invention law as well as on the law of trade secrets. He has extensive experience in criminal investigations, which are essential in the prosecution of trade secret violations. He is the author of numerous professional publications on intellectual property law. He heads the Hamburg office of Bonabry.

Dr. Christian Freudenberg, born 1967 in Hagen, studied law at the Ruhr University, Bochum. Thereafter, he worked as a research assistant at the University of Rostock and the University of Hagen. He has been admitted to practise law in 1997. Since 2006, he is listed as a certified specialist in intellectual property law. From 1998 to 2000 he was Director of Business Affairs at edel music AG. Since 2001, he has been working as an attorney, joining a business law practice spezialising in media a...

Hans-Jürgen Rieckhof is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Real Estate Law. Hans-Jürgen, 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 Hans-Jürgen is held by other top lawyers in the same geographic and legal practice area.