Thomas Rütten

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 ...

Paul Lange is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Paul practices law in Düsseldorf, Germany Best Lawyers has recognized Paul Lange since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Paul Lange is held by other lawyers.

Christoph Niemeyer is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Christoph practices law in Cologne, Germany Best Lawyers has recognized Christoph Niemeyer since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christoph Niemeyer is held by other lawyers.

Phillip Raszawitz is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Phillip practices law in Cologne, Germany Best Lawyers has recognized Phillip Raszawitz since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Phillip Raszawitz is held by other lawyers.

Born in 1969 Studied law at Ruhr University in Bochum First Exam ("1. Staatsexamen") in 1996 Research associate at Heinrich Heine University Düsseldorf, 1996 - 1999 Doctor of Laws (Dr. jur.) in 1999 Legal clerkship ("Refrendariat") at the Duisburg District Court, 1999 - 2001 Second (Bar) Exam ("2. Staatsexamen") and admission to the bar in 2001 Attorney with cross-regional business law firm in Münster from 2002 to 2008 Certified Specialized Attorney in Labor and Employment Law since...

Dr. Alex Petrasincu is Managing Partner at Hausfeld in Germany. He advises on all aspects of European and German competition law with a special focus on antitrust litigation. Alex is specialized in representing parties in cartel damages actions before the German courts, and has advised on damages actions in various jurisdictions. Alex has represented parties in and advised on actions before numerous German District Courts, Courts of Appeals, the German Constitutional Court, as well as the Eur...

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.

Gabi Müllejans LL.M. oec. is a lawyer and local partner at Friedrich Graf von Westphalen & Partner. Since 2024, she has been working in the intellectual property and trademark and design law practice of Friedrich Graf von Westphalen & Partner’s Cologne office. She has many years of working experience as a trademark and competition lawyer at leading, internationally oriented law firms. She worked as a lawyer specializing intellectual property law at a renowned IP boutique in...

Norbert Schulte is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Mergers and Acquisitions Law and Real Estate Law. Norbert practices law in Düsseldorf, Germany Best Lawyers has recognized Norbert Schulte since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Norbert Schulte is held by other lawyers.

Dr Jan Joachim Dreyer’s work includes antitrust defence, in particular for companies with strong market positions, in sales and traditional antitrust matters, compliance issues in sales and in all forms of cooperation between competitors. His areas of expertise also include global and local merger control, including litigation over decisions by authorities reaching the German Federal Court of Justice and the European courts, claims for damages arising from antitrust violations, state ai...