Gerolf Sonntag

Partner at MAYGREEN Tax & Legal

Dr Karl Friedrich Dumoulin primarily advises companies on issues of national and international commercial law in their day-to-day business (supply and service agreements, cooperation and distribution agreements, questions relating to competition law and IP law, in particular trademark applications, licence agreements). Dr Dumoulin also represents his clients before courts, offices and courts of arbitration in these areas. In particular, Dr Dumoulin specialises in the field of financial servic...

Julia Kathrin Degen is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Julia Kathrin, who practices law in Cologne, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julia Kathrin is held by other top lawyers in the same geographic and legal practice area.

Mike Weitzel is a lawyer and partner at FGvW in Cologne. He is a specialist lawyer for insurance law and specialises, among other things, in product liability and product advice (especially for liability lines), insurance contract law as well as litigation and arbitration. He is a lecturer in insurance law at Hagen Law School, a member of the insurance law working group of the DAV and the author of numerous publications and specialist lectures. He speaks German and English.

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

Phillip Raszawitz is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Phillip, who practices law in Cologne, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Phillip 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...

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...

Pierre-André Brandt is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Pierre-André, 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 Pierre-André is held by other top lawyers in the same geographic and legal practice area.

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