Christoph Poertzgen

Paul Lange is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Paul practices law in Düsseldorf, Germany Best Lawyers has recognized Paul Lange 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 Paul Lange is held by other lawyers.

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.

Heinrich Georg Pannen has many years of experience in the full range of intellectual property and copyright law. His work includes conducting registration proceedings, opposition and appeal proceedings, as well as nullity and appeal proceedings before the German Patent and Trademark Office, the European Union Intellectual Property Office (EUIPO), the World Intellectual Property Organization (WIPO), and the Federal Patent Court. His focus is on managing national and international intellectual ...

Born in 1954 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 1979 Legal clerkship ("Referendariat") 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.

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...

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...

Martin Hohgardt is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Martin Hohgardt’s main areas of practice involve patent prosecution, patent nullity proceedings, opposition proceedings and patent litigation in various technical fields. His technical fields include telecommunications, electrical engineering, special-purpose machinery manufacture, computer-implemented inventions, ciphering systems and medical devices. Martin Hohgardt is responsible...

Joachim C. Mohlitz is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Joachim C. practices law in Essen, Germany Best Lawyers has recognized Joachim C. Mohlitz since 2025. 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 Joachim C. Mohlitz is held by other lawyers.

Björn Fiedler is the founder and managing partner of Fiedler Cryns-Moll FCM Rechtsanwaelte Partnerschaft, a Cologne-based law firm that focuses on representing and advising insurance companies in complex claims and specific insurance products (including directors and officers liability; errors and omissions coverage; professional indemnity; public offering of securities insurance; employment practices liability; representations and warranties; cyber; fidelity; and product liability). He ...

Matthias is a Counsel in Dentons’ Dusseldorf office and a member of the Litigation and Dispute Resolution practice group. He is specialised in international commercial arbitration and has extensive experience in construction engineering and post-M&A disputes. Another key focus of his work is global commercial disputes, including the representation of clients in mass-litigations. He also advises on project development, including the drafting, negotiation and enforcement of commercial...