Susanne Clemenz

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...

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...

Born in 1969 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Research associate under Prof. Dr. Gerhard Otte (Chair for Civil Law, Civil Procedure and Legal History) at Bielefeld University, 1995 - 1998 Legal clerkship ("Referendariat") at the Bielefeld District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Judge at the Güstrow Local Court, 1998 - 1999 Bar admission in 1999 and with the firm since then Doctor of Laws (Dr. jur.) 2002 Appointment as notar...

Staffan Illert is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Staffan practices law in Düsseldorf, Germany Best Lawyers has recognized Staffan Illert 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 Staffan Illert is held by other lawyers.

Sebastian Faust is a lawyer recognized by Best Lawyers in the practice areas of Competition / Antitrust Law and Mergers and Acquisitions Law. Sebastian practices law in Düsseldorf, Germany Best Lawyers has recognized Sebastian Faust since 2023. 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 Sebastian Faust 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.

Rainer Birke is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice and Criminal Defense. Rainer practices law in Düsseldorf, Germany Best Lawyers has recognized Rainer Birke 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 Rainer Birke is held by other lawyers.

Patent attorney Markus Kreuzberg has more than 20 years of experience in patent and utility model law and extensive expertise in international intellectual property law. His other areas of expertise include employee invention law, trademark law, and design protection. He represents clients before the German Patent and Trademark Office (DPMA), the Federal Patent Court (BPatG), the European Patent Office (EPO), the European Union Intellectual Property Office (EUIPO), and the World Intellectual ...

Gabi Müllejans LL.M. oec. is a lawyer and local partner at Friedrich Graf von Westphalen & Partner. Since 2024, she has been working in the intellectual property and trademark and design law practice of Friedrich Graf von Westphalen & Partner’s Cologne office. She has many years of working experience as a trademark and competition lawyer at leading, internationally oriented law firms. She worked as a lawyer specializing intellectual property law at a renowned IP boutique in...

Born in 1959 Trained and worked as police officer in North Rhine-Westphalia, 1979 - 1983 Legal studies and clerkship at Bielefeld University State bar exam and bar admission in 1989 Worked in the legal department of Dr. Oetker Nahrungsmittel KG, Bielefeld, 1990 - 1991 With the firm since 1992 Certified Specialized Attorney in Administrative Law since 1993 Doctor of Laws (Dr. jur.) 1994 under Prof. Dr. Hans-Jürgen Papier Visiting lecturer at the University of Rostock since 2002 Honorary P...