Christian Horstkotte

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.

Matthias Terlau is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Matthias, 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 Matthias is held by other top lawyers in the same geographic and legal practice area.

Christoph J. Müller is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Christoph J., 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 Christoph J. is held by other top lawyers in the same geographic and legal practice area.

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

Lawyer Partner

Raul Taras is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Raul, who practices law in Cologne, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Raul is held by other top lawyers in the same geographic and legal practice area.

Carsten Grave is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Corporate Governance and Compliance Practice. Carsten, who practices law in Cologne, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carsten 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.

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.

Legal studies at Bielefeld University State bar exam in 1984 Research associate under Prof. Dr. Westermann and Prof. Dr. Otte (Chairs for Civil Law) at Bielefeld University, 1984 - 1986 Bar admission in 1986 Doctor of Laws (Dr. jur.) 1987 Lawyer at the Hamm and Celle Higher District Courts, 1986 - 1989 With the firm since 1989 Certified Specialized Attorney in Tenancy and Condominium Law