Holger Wissel

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

Born in 1959 Trained and worked as police officer in North Rhine-Westphalia, 1979 - 1983 Legal studies and clerkship at Bielefeld University State bar exam and bar admission in 1989 Worked in the legal department of Dr. Oetker Nahrungsmittel KG, Bielefeld, 1990 - 1991 With the firm since 1992 Certified Specialized Attorney in Administrative Law since 1993 Doctor of Laws (Dr. jur.) 1994 under Prof. Dr. Hans-Jürgen Papier Visiting lecturer at the University of Rostock since 2002 Honorary P...

Dr Möller has been a lawyer and partner at FPS since 1997 and is an expert in private construction, real estate, and public procurement law. She has extensive experience advising on large-scale projects—especially in healthcare, cultural, and municipal buildings—guiding clients from planning through to successful completion. Her focus includes contract drafting and negotiation, dispute avoidance, claim management, and legal enforcement. In public procurement, she supports con...

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

Jens Ortmanns is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Private Equity Law and Real Estate Law. Jens, who practices law in Düsseldorf, Germany, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jens is held by other top lawyers in the same geographic and legal practice area.

Dr. Christian Sandweg joined the firm of VOSSIUS in 2011 and was admitted to practice as a German Patent Attorney (Patentanwalt) and European Patent Attorney in 2015. His training in IP included stages at the German Patent Office, the Federal German Patent Court and the Lower District Court Mannheim. In 2016, he became a partner in the firm. Dr. Sandweg studied physics at the Technical University of Munich and the University of Kaiserslautern, specializing in solid state physics and in partic...

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

Klaus Von der Linden is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Klaus, who practices law in Düsseldorf, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Klaus is held by other top lawyers in the same geographic and legal practice area.

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

Dr. Kai Rüting is attorney since 2005 and partner of the firm since 2015. He advises clients in patent infringement litigation, technology-related arbitrations, and licensing matters. He specializes in national and cross-border patent litigation. Kai has comprehensive litigation experience, in particular in the areas of standard-related patents, electronics, medical technology, chemistry and life sciences. He also has broad experience advising international clients on strategies relating...