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Dr. Marius G. HossbachAttorney
Certified specialist for medical law

"Commercial understanding, clear communication, legal precision and diligence form the foundation for trust and success."

Expertise: Corporate law, medical law and contract physician law

Dr. Hossbach is head of the medical law department in the Hamburg office. He specializes in corporate law, M&A, medical law and non-profit organizations.

As a corporate lawyer and specialist in medical law, Dr. Hossbach is primarily active in the healthcare sector in connection with the founding of MVZs, the takeover of practices and the disposal of practices. His range of advice includes matters relating to contract physicians (licensing law and professional law) as well as shareholder disputes. In addition to classical corporate law and M&A business, Dr. Hossbach has special knowledge of association law as the long-standing legal counsel of the DLRG Lower Saxony. At ROSE & PARTNER, he is also part of the Asset Succession & Foundation team and advises in particular charitable as well as family foundations.

Dr. Hossbach is, among other things, a member of the German Association for the Law of Associations as well as the German and Hamburg Bar Associations.


As a former paramedic, Dr. Hossbach quickly developed a passion for medical law and early on focused his legal studies at the Georg-August University in Göttingen and the University of Budapest (ELTE). After successfully completing his studies, he received his doctorate from medical law luminary Prof. Dr. Dr. h.c. mult. E. Deutsch, whose scientific assistant he was for many years. His dissertation dealt with performance auditing in the law governing panel doctors.  

Before joining ROSE & PARTNER, the native of Lower Saxony initially worked for two Hamburg commercial law firms as a commercial and medical lawyer.

Honorary commitment 

In addition to his professional activities, Dr. Hossbach is a member of the ethics committee of the Hamburg Medical Association and reviews clinical studies. He has also been legal counsel on the board of DLRG Lower Saxony for over ten years. As such, he advises, among others, about 300 local DLRG clubs with over 90,000 members on association law issues. Finally, he is an advisor to the Hamburg street magazine Hinz und Kunzt. Honorary office has always played an important role for Dr. Hossbach: he has already served three terms as a city councilor in his hometown of Schöningen, and in Göttingen he was involved as player coach of his water polo team.