Kerstin Mast

I was born in 1976 and studied law in Bonn (Germany) and Strasbourg (France). After my legal traineeship at the Bonn Regional Court and the 2nd state law examination, I was admitted to the bar in 2005. In 2011, the board of the Cologne Bar Association allowed me to use the title “Specialist Lawyer for Tax Law”. In 2016, I successfully took part in the “Certified Executor of Wills (AGT)” course, which was carried out in cooperation with the Working Group for Wills Execu...

Ulrich Flege is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Ulrich practices law in Düsseldorf, Germany Best Lawyers has recognized Ulrich Flege since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ulrich Flege is held by other lawyers.

Dr. Philipp F. Hardung is Counsel at Hausfeld in Düsseldorf, specializing in commercial and corporate litigation. Before joining Hausfeld, Philipp worked for a leading German law firm with a focus on corporate, banking and capital markets law as well as in the corporate law department of a Magic Circle law firm. He has acquired broad experience in litigation and dispute resolution, including cross-border commercial disputes and corporate litigation, as well as banking and financial dispu...

Thomas Christner is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Public Law. Thomas practices law in Cologne, Germany Best Lawyers has recognized Thomas Christner since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas Christner is held by other lawyers.

Martin Wirtz works in all fields of intellectual property matters, with a particular emphasis on trade mark, competition, and copyright law, including litigation. A further focus of his work is patent infringement proceedings. His clients include large and medium-sized firms as well as international companies and associations from a wide variety of different areas. Martin Wirtz studied law at the University of Passau, the University of Freiburg, the University of Cologne, and at Queens' Colle...

Jan Schellenberger is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Jan practices law in Cologne, Germany Best Lawyers has recognized Jan Schellenberger since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jan Schellenberger is held by other lawyers.

Carsten Grave is a lawyer recognized by Best Lawyers in the practice areas of Competition / Antitrust Law and Corporate Governance and Compliance Practice. Carsten practices law in Cologne, Germany Best Lawyers has recognized Carsten Grave since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Carsten Grave is held by other lawyers.

Kai Tumbrägel is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Media Law. Kai practices law in Cologne, Germany Best Lawyers has recognized Kai Tumbrägel since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kai Tumbrägel is held by other lawyers.

Ralph Wollburg is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Ralph practices law in Düsseldorf, Germany Best Lawyers has recognized Ralph Wollburg since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ralph Wollburg is held by other lawyers.

Hildegard Schöllmann is a lawyer and local partner in the Cologne office of Friedrich Graf von Westphalen & Partner mbB. She advises on all food and feed law issues along the food industry’s value chain as well as on the relevant complementary areas of law such as trademark and competition law. Prior to joining Friedrich Graf von Westphalen, she was a partner in the German food law boutique KWG Rechtsanwälte. She studied law in Cologne and Amsterdam. Hildegard comprehensiv...