Matthias Sonntag

Hermann Kahlhöfer advises clients in patent law, in particular in the fields of electrical engineering, medical technology and physics. He has been working in the field of intellectual property for more than 40 years and has extensive experience in the field of national and international patent prosecution procedures and patent infringement matters as well as in the development and exploitation of intellectual property portfolios. After completing two years of military service with a spe...

Achim Kirchfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Achim, who practices law in Düsseldorf, Germany, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Achim 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.

Born in 1964 Legal studies at the Universities of Heidelberg and Bonn First Exam ("1. Staatsexamen") in 1990 Doctoral research at the Universities of Valencia (Spain) and Münster Legal clerkship ("Referendariat") at the Detmold District Court Elective posting at the Commission of the European Union in Brussels Doctor of Laws (Dr. jur.) 1993 Second (Bar) Exam ("2. Staatsexamen"), bar admission 1994, with the firm since 1994 Certified Specialized Attorney in Administrative Law since 1997 C...

Markus Heider is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Markus, 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 Markus is held by other top lawyers in the same geographic and legal practice area.

Dr. Michael Mütze is a partner with MKRG, where he specialises in the areas of private and public construction law, public procurement law and real-estate law. During the last 35 years he has gained extensive experience in supporting companies in the building industry, architects and engineers, project developers, property owners and investors. In addition, he participates in arbitration proceedings both as legal counsel and as an assessor. His specialisations include property transactio...

Joachim C. Mohlitz is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Joachim C., who practices law in Essen, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joachim C. is held by other top lawyers in the same geographic and legal practice area.

Wolf Zur Nieden is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Wolf, 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 Wolf is held by other top lawyers in the same geographic and legal practice area.

Jan Schellenberger is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jan, 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 Jan is held by other top lawyers in the same geographic and legal practice area.

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.