Marcel Krengel

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 ...

Tim Johannsen-Roth is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Tim, who practices law in Düsseldorf, Germany, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tim is held by other top lawyers in the same geographic and legal practice area.

Mike Westkamp is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Mike, 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 Mike is held by other top lawyers in the same geographic and legal practice area.

Frederic Geber is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Public Law. Frederic, who practices law in Düsseldorf, Germany, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frederic is held by other top lawyers in the same geographic and legal practice area.

Arne Kießling is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Arne, who practices law in Düsseldorf, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arne is held by other top lawyers in the same geographic and legal practice area.

Kai Tumbrägel is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Media Law. Kai, who practices law in Cologne, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kai is held by other top lawyers in the same geographic and legal practice area.

Oliver Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Oliver, who practices law in Düsseldorf, Germany, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Oliver is held by other top lawyers in the same geographic and legal practice area.

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...

Michael Körner is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Nils Meißner is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Nils, who practices law in Essen, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nils is held by other top lawyers in the same geographic and legal practice area.