Katja Lehr

Dr Robin Fritz is senior managing partner of the firm. In addition, he advises entrepreneurs and companies, especially from the real estate industry, on all aspects of commercial law. Dr Fritz is a member of the advisory board of the department for key qualifications at Goethe University, Frankfurt, where he is also a lecturer in the Faculty of Law. Since 2004, he has also been honorary consul of the Czech Republic.

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...

Alexander Schlee is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law and Debt and Equity. Alexander, who practices law in Frankfurt/Main, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexander is held by other top lawyers in the same geographic and legal practice area.

Armin Lange is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law and Labor and Employment Law. Armin, who practices law in Frankfurt/Main, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Armin is held by other top lawyers in the same geographic and legal practice area.

Bettina Komarnicki is a proven expert in the fields of IT law, software law, copyright law, competition and trademark law, licensing and distribution law, and data protection law. She assists clients in drafting and negotiating complex contracts and introducing new business models, and represents them in and out of court. Her clients include leading international IT service providers, the public sector, small and medium-sized companies and start-ups.

Rechtsanwalt (Attorney at Law), Defense Lawyer and Founder of Rübenstahl Rechtsanwälte in Frankfurt, Germany. Studied Law in Mainz and Rome (Italy), doctorate from the University in Freiburg i.Br. He advises and represents companies and individuals in the areas of white collar crimes, criminal law, criminal tax law and tax compliance for over fifteen years. He is also a lecturer at the Albert-Ludwigs-University Freiburg i.Br., Co-Editor of the journal „wistra“, advisor o...

Julia Grothaus is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Julia, who practices law in Frankfurt/Main, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julia is held by other top lawyers in the same geographic and legal practice area.

Dr Gerrit Ponath is Partner at Friedrich Graf von Westphalen‘s Frankfurt a.M. office. His area of expertise comprises legal advice to individuals and (family-owned) companies on all aspects of national and international estate planning and wealth succession as well as on tax-efficient structuring of assets. He furthermore focuses on providing legal advice to foundations and associations on all legal and tax issues arising in specific foundation- and association-related contexts. Here he...

Aline Fritz’s mandates include public procurement law as well as European state aid law and subsidy law. She advises the public sector and subsidy recipients on the implementation of procurement procedures, as well as bidders in all phases of the procedure. Fritz has extensive experience in representing clients before various public procurement chambers and public procurement tribunals in the higher regional courts. She regularly holds lectures and training courses on public procurement...

Dr.Annette Rosenkötter has been a lawyer at FPS since 2001 and has been leading the public procurement practice group since 2006. She is an expert in public procurement and European state aid law, advising clients from all industries. Dr Rosenkötter assists the public sector and bidders with complex procurement procedures, particularly in defence, research, healthcare, and infrastructure. She represents clients before procurement chambers and higher regional courts, and is a sought-...