Rafael Van Rienen

Florian Wiesner, lawyer and notary, is managing partner of the firm. He advises project development and real estate fund companies on implementing and completing construction projects, including drafting, negotiating, and concluding construction and architect contracts, as well as warranty management. He supports clients during construction and represents them in asserting and defending construction law claims in court. Wiesner also advises on commercial leases and real estate transactions. H...

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Jörg Döhrer advises and represents companies throughout Germany – chiefly from the automotive, mechanical engineering, power supply, IT and foods sectors – in all issues relating to employment law. His clients include management boards, managing directors and executives. His work is focused on providing consultancy services on issues relating to operational and corporate co-determination as well as planning, assisting with and implementing employment law-related restruct...

Thomas Stein specialises in IP law, the German Act Against Unfair Competition, distribution law, and general contract law, advising and representing clients both in and out of court. His clients include clothing, beauty, and sporting goods companies, as well as brand licensors and licensees from the consumer goods, lifestyle, and luxury sectors. He also advises franchise companies, logistics firms, event companies, musicians, influencers, actors, athletes, and fashion designers. Thomas is bas...

Dr. Sebastian Jungermann is a partner in ARNECKE SIBETH DABELSTEIN's Frankfurt office. Sebastian advises clients regarding German and European competition and antitrust laws, including German, EU and multi-jurisdictional merger control proceedings, cartel proceedings, abuse-of-dominance proceedings, litigation, compliance programs, as well as internal audits and contractual advice. Sebastian represents his clients before courts, the German Federal Cartel Office, the European Commission as wel...

Felix Prozorov-Bastians is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and International Arbitration. Felix, who practices law in Frankfurt/Main, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Felix is held by other top lawyers in the same geographic and legal practice area.

Marco Rückert specialises in legal real estate asset management, with extensive experience in drafting and negotiating commercial leases, advising on portfolio management, and optimising real estate portfolios. He represents clients in court on contentious real estate matters and advises on tenancy and lease law across all asset classes, including offices, retail, hotels, logistics, infrastructure, and residential properties, as well as on project developments and revitalisations. Rü...

Philipp Wiesenecker is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law and Labor and Employment Law. Philipp, 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 Philipp 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...

Ulrich Wolff is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate Law, Investment, Mergers and Acquisitions Law and Private Equity Law. Ulrich, who practices law in Frankfurt/Main, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ulrich is held by other top lawyers in the same geographic and legal practice area.