Stefan Hölzemann

Claudia Maaßen LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. She has been working in the litigation and arbitration practice group of Friedrich Graf von Westphalen’s Cologne office since 2016. Claudia Maaßen is a specialist in dispute resolution with a focus on manager liability and D&O and product liability. Her clients include insurance companies, managers and private companies. Claudia Maaßen speaks German, French and English.

Christoph Neven is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Christoph, 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 Christoph is held by other top lawyers in the same geographic and legal practice area.

Christian Bärenz is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Christian, 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 Christian is held by other top lawyers in the same geographic and legal practice area.

Staffan Illert is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Staffan, who practices law in Düsseldorf, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Staffan is held by other top lawyers in the same geographic and legal practice area.

Christian Bürger is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Christian, 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 Christian is held by other top lawyers in the same geographic and legal practice area.

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

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

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.

Sven Köhnen is a lawyer and partner at the Cologne office of Friedrich Graf von Westphalen & Partner and a certified specialist for labor and employment law. He also is a lecturer at the Cologne macromedia University of Applied Sciences. His focus is on commercial and distribution law on a national and international level, particular within the automobile sector but also in other areas (insurance, financial services, medical technology, construction, energy, IT, furniture design, pac...

Thomas Hauss is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Thomas, who practices law in Düsseldorf, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas is held by other top lawyers in the same geographic and legal practice area.