Sebastian Fontaine

Sebastian von Lossow LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. He has been working in the corporate law and M&A practice of Friedrich Graf von Westphalen’s Dusseldorf office since 2025. Sebastian von Lossow is a specialist in M&A, joint ventures and real estate transactions. His clients include entrepreneurs, family offices and mid-size companies (industrials, engineering as well as software-as-a-service) and real estate managers and investors...

Ulf Christiani is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Ulf, who practices law in Cologne, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ulf is held by other top lawyers in the same geographic and legal practice area.

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

Arnt Göppert is a lawyer and partner at Friedrich Graf von Westphalen & Partner. He has been working in the corporate law and M&A practice of Friedrich Graf von Westphalen & Partner's Cologne office since 2013. Arnt Göppert is a transaction specialist advising clients on corporate acquisitions and disposals, corporate actions and financing. His clients include owner-managed companies as well as international funds, listed companies and financial institutions. A particula...

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

Achim Kirchfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Achim, who practices law in Düsseldorf, Germany, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Achim is held by other top lawyers in the same geographic and legal practice area.

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

Monika Wenz is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Monika, 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 Monika is held by other top lawyers in the same geographic and legal practice area.

Dr Jan Joachim Dreyer’s work includes antitrust defence, in particular for companies with strong market positions, in sales and traditional antitrust matters, compliance issues in sales and in all forms of cooperation between competitors. His areas of expertise also include global and local merger control, including litigation over decisions by authorities reaching the German Federal Court of Justice and the European courts, claims for damages arising from antitrust violations, state ai...

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