Klaus Grossmann

Gabi Müllejans LL.M. oec. is a lawyer and local partner at Friedrich Graf von Westphalen & Partner. Since 2024, she has been working in the intellectual property and trademark and design law practice of Friedrich Graf von Westphalen & Partner’s Cologne office. She has many years of working experience as a trademark and competition lawyer at leading, internationally oriented law firms. She worked as a lawyer specializing intellectual property law at a renowned IP boutique in...

Sebastian Faust is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Mergers and Acquisitions Law. Sebastian, who practices law in Düsseldorf, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian is held by other top lawyers in the same geographic and legal practice area.

Peter Vocke is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Peter, who practices law in Düsseldorf, Germany, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.

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.

Dr Marcus Richter offers advice on all aspects of individual and collective labour law to national and international companies. In particular, he has considerable experience advising on corporate acquisitions, reorganisations, restructurings, outsourcing and integration projects. As part of this he is responsible for both the strategic conception and the negotiations with unions and works councils on wage agreements, settlement of interests, social plan, company agreements and arbitration pro...

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.

Jan Janßen is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Jan, who practices law in Hagen, 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.

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...

Alexander Hoppe is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Alexander, 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 Alexander is held by other top lawyers in the same geographic and legal practice area.

Ralph Wollburg is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Ralph, who practices law in Düsseldorf, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ralph is held by other top lawyers in the same geographic and legal practice area.