Martin Wissmann

Sabine Dethof is a patent litigator and Salaried Partner at HEUKING, Düsseldorf. As a Certified Specialist Lawyer in Intellectual Property Law with 14 years of professional practice, she has a wide range of experience, in particular in the field of mechanical engineering and in the areas of automotive, semiconductors and medical devices. Besides the daily business of patent infringement proceedings she is especially experienced in nullity proceedings before the Federal Patent Court. For ...

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

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

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

Born in 1959 Trained and worked as police officer in North Rhine-Westphalia, 1979 - 1983 Legal studies and clerkship at Bielefeld University State bar exam and bar admission in 1989 Worked in the legal department of Dr. Oetker Nahrungsmittel KG, Bielefeld, 1990 - 1991 With the firm since 1992 Certified Specialized Attorney in Administrative Law since 1993 Doctor of Laws (Dr. jur.) 1994 under Prof. Dr. Hans-Jürgen Papier Visiting lecturer at the University of Rostock since 2002 Honorary P...

Thomas Nießen is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Thomas, who practices law in Düsseldorf, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas is held by other top lawyers in the same geographic and legal practice area.

Rainer Velte is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, Public Finance Law and Regulatory Practice. Rainer, who practices law in Düsseldorf, Germany, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rainer is held by other top lawyers in the same geographic and legal practice area.

Daniela Seeliger is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, Corporate Governance and Compliance Practice and Litigation. Daniela, who practices law in Düsseldorf, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniela is held by other top lawyers in the same geographic and legal practice area.

Christoph Hexel is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Christoph, 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 Christoph is held by other top lawyers in the same geographic and legal practice area.

Thomas Kerkhoff is partner in our Düsseldorf office. For many years he has been advising clients on intellectual property law. His work includes advice on trademarks, their protection and their realisation. In cooperation with accountants and business economists he is regularly involved in the taxational assessment of trademarks. His work also includes all aspects of copyright protection, designs and unfair trading. He also does litigation in cases of intellectual property infringements ...