Jan-Peter Ohrtmann

Lawyer Partner

Ulrike is one of the leading personalities in the field of dispute resolution - in particular for national and international arbitration. Due to her expertise, she is regularly appointed as arbitrator and advises her clients as party representative in complex proceedings. Two main core areas of Ulrike’s practice are turn-key construction (including energy related projects) and post-M&A. She relies on her extensive experience as an advisor for corporate and M&A. Furthermore, she ...

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

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

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

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.

Justus Kreuels´ practice involves patent prosecution in the fields of mechanical engineering, automotive engineering, information technology and medical engineering and patent opposition as well as invalidity proceedings before the European Patent Office, the German Patent and Trademark Office, and the Federal Patent Court. He studied mechanical engineering at the Technical University of Munich (TUM) and at RWTH Aachen University where he graduated as Master in Engineering in 2007. In 2...

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.

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

Michael Alberts is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Michael, who practices law in Düsseldorf, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.