Philip Mostertz

Birgit Geißler Lawyer | Specialist Lawyer for Building and Architectural Law | Managing Partner Birgit Geißler is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Birgit, who practices law in Berlin, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Birgit is held by other top lawyers in the same geographic and legal practice area. Studied law at the Free ...

Professor Dr Stefan Hertwig specialises in the field of public commercial law, with particular emphasis on public procurement law and European state aid law. According to the trade magazine JUVE, he is one of the “leading names in public procurement law”. Who is Who Legal certifies him “an incredibly strong name in the German market, noted for his expertise in public funding and government contracts”. The practice group under his leadership advises the public sector an...

Rainer Pietschmann Lawyer | Managing Partner Studied law at the Universities of Bochum and Bonn and at the University of Washington (Seattle, WA). Clerkship at the Court of Berlin. From 1989 to 1992 director of a German/ Italian trading company. From 1995 to 1997 Attorney (Partner) at Lauenroth & Partner (Berlin). Founded PIETSCHMANN Legal (Berlin) in 1997. Supervisory Board of Schrobsdorff Bau AG (Berlin). Main Areas of expertise Civil Construction Law, Real Estate Law, Public Procuremen...

Born in Munich in 1965, Dr. Markus Kelber studied law and worked as a research assistant at the University of Regensburg in 1987 after completing his apprenticeship as a carpenter. Dr. Kelber has been active as a lawyer in Berlin since 1996, working first for an employers’ association and then for the medium-sized local law firm Danckert Böx Meier. In 1998, he obtained his doctorate in constitutional law with Prof. Dr. Udo Steiner in Regensburg, with a thesis on the subject of &ldq...

Andreas Dustmann is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Andreas, who practices law in Berlin, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andreas is held by other top lawyers in the same geographic and legal practice area.

Nicolai Lagoni is a partner in the German Corporate Group with deep experience in the fields of M&A, joint ventures and corporate law. His clients are multinational corporations and investors, which he regularly advises on complex cross-border transactions. Nicolai has wide-ranging experience in the areas of technology, real estate and pharmaceuticals & life sciences. Prior to joining the firm, Nicolai worked for several years in the German Corporate/M&A Groups of Hengeler Mueller...

Fabian Winters is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law and Public Private Partnership. Fabian, who practices law in Berlin, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabian is held by other top lawyers in the same geographic and legal practice area.

Victoria Johnson is a specialist lawyer for information technology law, TÜV-certified data protection officer and auditor, and certified whistleblowing officer based in Berlin. While completing a part-time doctorate in commercial law focused on fundamental rights, she advises public and private sector clients—from start-ups to international corporations—on all aspects of digitisation, IT law, and data protection. Her expertise includes contract drafting, data protection manag...

Evgeniia Bokun-Viktorova is an Attorney at Law and a Professional Mediator, specializing in national and international litigation and arbitration. Her experience includes intellectual property rights, international business transactions, and trade law. She handles the filing of national and international trademarks, as well as opposition and revocation proceedings. Evgeniia has a talent for helping clients make strategic decisions that support their business goals. This includes, but goes bey...

Sarah Scherwitzki, LL.M. Attorney and Notary Partner Specialists area : Notarial services , r eal estate law, corporate law, inheritance law, family law I am a notary and act in all notarial matters. As a lawyer, I have been advising national and international companies from the real estate industry as well as institutional investors for over 14 years on all legal issues relating to the construction, acquisition, privatisation and sale of real estate. In the context of transactions, I draft a...