Michael Kunkel

Dr. Christian Sandweg joined the firm of VOSSIUS in 2011 and was admitted to practice as a German Patent Attorney (Patentanwalt) and European Patent Attorney in 2015. His training in IP included stages at the German Patent Office, the Federal German Patent Court and the Lower District Court Mannheim. In 2016, he became a partner in the firm. Dr. Sandweg studied physics at the Technical University of Munich and the University of Kaiserslautern, specializing in solid state physics and in partic...

Michael Schmidt-Versteyl is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Michael, who practices law in Düsseldorf, Germany, has been recognized since 2023. 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.

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

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...

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

Katharina Landes is a top attorney recognized by Best Lawyers in the practice area(s) of Data Security and Privacy Law. Katharina, 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 Katharina is held by other top lawyers in the same geographic and legal practice area.

With nearly 20 years of professional experience, Anton is a proven expert in patent litigation. He is among the lawyers with the highest number of appearances at the Federal Court of Justice, Germany’s highest court in patent matters. He has been acknowledged as a recommended patent litigator by various legal publications and handbooks. He is a partner of the firm and the head of the patent law team. In the year 2006, he was among the first lawyers to receive the distinction as a Certif...

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...

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

Attorney at Law admitted in Düsseldorf (1st instance and Court of Appeal), Germany, born August 21, 1958, Recklinghausen, Germany, Citizen of the Federal Republic of Germany Education and Former Activities : 1989 – 2000 with Heuking Kühn Lüer Wojtek, Attorneys at Law, Certified Public Accountants, Düsseldorf, Germany and Brussels, Belgium; 2000 – 2003 Partner in PricewaterhouseCoopers Veltins Rechtsanwaltsgesellschaft mbH, Düsseldorf; since 01/2004: Partne...