Oliver von Rosenberg

Heinrich Georg Pannen is a lawyer and equity partner at Braun-Dullaeus Pannen Emmerling (BDPE) in Dusseldorf, a service boutique specializing in representation in litigation and prosecution proceedings in the field of intellectual property.His focus is supervising national and international intellectual property portfolios, in particular in the field of trademarks and designs. He has many years of experience in conducting application procedures, opposition procedures and nullity and appeal pr...

Claudia Maaßen LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. She has been working in the litigation and arbitration practice group of Friedrich Graf von Westphalen’s Cologne office since 2016. Claudia Maaßen is a specialist in dispute resolution with a focus on manager liability and D&O and product liability. Her clients include insurance companies, managers and private companies. Claudia Maaßen speaks German, French and English.

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 ...

Lutz Martin Keppeler is a top attorney recognized by Best Lawyers in the practice area(s) of Data Security and Privacy Law and Information Technology Law. Lutz Martin, who practices law in Cologne, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lutz Martin is held by other top lawyers in the same geographic and legal practice area.

Jörg Bornheimer is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Jörg, who practices law in Wuppertal, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jörg is held by other top lawyers in the same geographic and legal practice area.

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

Markus Kreuzberg is a patent attorney and equity partner at Braun-Dullaeus Pannen Emmerling (BDPE) in Dusseldorf, a service boutique specializing in the representation of clients in litigation and prosecution proceedings for intellectual property rights. He has extensive experience in the implementation of patent and utility model law and has in-depth knowledge of international legal practice in the IP field, not least due to the support of clients also operating outside Europe. Further areas...

Lawyer Partner

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...

Born in 1960 Apprenticeship as banker 1981 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 1986 Postgraduate studies at the University of Pennsylvania, Philadelphia, USA, 1986 - 1987 Master of Laws (LL.M.) 1987 Doctor of Laws (Dr. jur.) 1989 Second (Bar) Exam ("2. Staatsexamen") in 1990 Bar admission in Germany in 1990, with the firm since then Admission to the New York bar in 1991 Certified Specialized Attorney in International Business Law since 2014 Member...