Alexandra Groth

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...

Kristina Klaaßen-Kaiser is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Kristina practices law in Düsseldorf, Germany Best Lawyers has recognized Kristina Klaaßen-Kaiser since 2019. 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 Kristina Klaaßen-Kaiser is held by other lawyers.

Christoph Janssen is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Christoph practices law in Cologne, Germany Best Lawyers has recognized Christoph Janssen 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 Christoph Janssen is held by other lawyers.

Wolf Zur Nieden is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Wolf practices law in Cologne, Germany Best Lawyers has recognized Wolf Zur Nieden 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 Wolf Zur Nieden is held by other lawyers.

Dr Marcus Richter offers advice on all aspects of individual and collective labour law to national and international companies. In particular, he has considerable experience advising on corporate acquisitions, reorganisations, restructurings, outsourcing and integration projects. As part of this he is responsible for both the strategic conception and the negotiations with unions and works councils on wage agreements, settlement of interests, social plan, company agreements and arbitration pro...

Born in 1954 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 1979 Legal clerkship ("Refrendariat") at the Paderborn District Court Second (Bar) Exam ("2. Staatsexamen") in 1983 Research assistant at the Chair for Civil Law and Labor Law at the University of Münster, 1983 to 1985 Doctor of Laws (Dr. jur.) 1985 Employed at Bayerische Hypotheken- und Wechselbank, 1986 to 1987 Bar admission in 1987 and with the firm since then

Herbert Posser is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law and Public Law. Herbert practices law in Düsseldorf, Germany Best Lawyers has recognized Herbert Posser 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 Herbert Posser is held by other lawyers.

Christian Bürger is a lawyer recognized by Best Lawyers in the practice area of Competition / Antitrust Law. Christian practices law in Cologne, Germany Best Lawyers has recognized Christian Bürger 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 Christian Bürger is held by other lawyers.

Katja Schramm is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law and Regulatory Practice. Katja practices law in Düsseldorf, Germany Best Lawyers has recognized Katja Schramm 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 Katja Schramm is held by other lawyers.

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...