Elena Freiburg

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.

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

Marc Baltus is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Marc, 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 Marc 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...

Oliver Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Oliver, who practices law in Düsseldorf, Germany, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Oliver is held by other top lawyers in the same geographic and legal practice area.

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...

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 ...

Claudia Maaßen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Claudia, who practices law in Cologne, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Claudia 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.

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.