Henning Holz

Petra Ostermaier is a top attorney recognized by Best Lawyers in the practice area(s) of Data Security and Privacy Law. Petra, who practices law in Munich, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Petra is held by other top lawyers in the same geographic and legal practice area.

Stephan specializes in advising companies in the areas of Telecommunications- and IT-Law, Software- and Data Protection Law. He drafts, reviews and negotiates license and project agreements, maintenance agreements, distribution agreements and general terms and conditions for national and international clients and is also active in litigation. He benefits from his technical understanding and in-depth knowledge of the industry. Stephan also supports Mergers & Acquisitions and has been invol...

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

Born in 1976 Legal studies at Bielefeld University, 1995 - 2000 Supplementary studies in informatics at Bielefeld University, 1996 - 1998 First Exam ("1. Staatsexamen") in 2000 Postgraduate studies in legal informatics at the Universities of Hannover and Vienna, 2000 - 2001 Research associate at Bielefeld University, 2001 - 2002 Legal clerkship ("Referendariat") in Bielefeld and Düsseldorf, 2002 - 2004 Doctor of Laws (Dr. jur.) 2004 Second (Bar) Exam ("2. Staatsexamen") in 2004 Worked ab...

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

Markus Engelhard is active in all fields of life sciences, pharmacology, and biotechnology, having a particular focus on therapeutic biomolecules and pharmaceutically active agents. His clients include start-up companies, small and medium-sized enterprises, multinational corporations, universities, and academic research institutions. He supports them in acquiring and enforcing intellectual property rights, building up patent portfolios, and representing them in opposition, invalidation, and i...

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

Carsten Gerlach is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law. Carsten, who practices law in Berlin, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carsten is held by other top lawyers in the same geographic and legal practice area.

Prof. Dr. Antje Boldt joined RITTERSHAUS in 2021 as partner. She specialises in advising on the preparation and implementation of projects in the areas of infrastructure, school and day-care centre construction as well as health care, e.g. hospital construction. In particular, she focuses on new contract management forms of the integrated project alliance and methods from Lean Construction Management and Building Information Modelling. Antje Boldt is a professor of commercial law at the Frese...

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