Stefan Maaßen

Lawyer Partner

Dr. Manuel Knebelsberger is Counsel at Hausfeld in Düsseldorf, specializing in competition law and competition litigation. Before joining Hausfeld, Manuel worked in the competition department of one of the biggest international law firms where he acquired a broad experience in all aspects of competition law, ranging from classic antitrust and merger control to procurement and state aid matters. In addition to advising clients on general competition law, Manuel regularly represents client...

Holger Rhode is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Holger practices law in Düsseldorf, Germany Best Lawyers has recognized Holger Rhode since 2021. 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 Holger Rhode is held by other lawyers.

Antje Weiss is a lawyer recognized by Best Lawyers in the practice area of Public Law. Antje practices law in Düsseldorf, Germany Best Lawyers has recognized Antje Weiss since 2026. 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 Antje Weiss is held by other lawyers.

Sven Köhnen is a lawyer and partner at the Cologne office of Friedrich Graf von Westphalen & Partner and a certified specialist for labor and employment law. He also is a lecturer at the Cologne macromedia University of Applied Sciences. His focus is on commercial and distribution law on a national and international level, particular within the automobile sector but also in other areas (insurance, financial services, medical technology, construction, energy, IT, furniture design, pac...

Gregor Lamla is a lawyer and partner at the Dusseldorf office of Friedrich Graf von Westphalen & Partner. He advises on real estate financing and transactions with a focus on commercial real estate, especially in the retail sector (shopping centers, downtown department stores and retail parks).Before joining Friedrich Graf von Westphalen, Gregor was a partner at other major law firms as well as GC at a real estate asset management company. He speaks German and English.

Joachim C. Mohlitz is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Joachim C. practices law in Essen, Germany Best Lawyers has recognized Joachim C. Mohlitz 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 Joachim C. Mohlitz is held by other lawyers.

Jan Schellenberger is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Jan practices law in Cologne, Germany Best Lawyers has recognized Jan Schellenberger since 2021. 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 Jan Schellenberger is held by other lawyers.

Dr Adalbert Rödding advises national and international companies on all matters of taxation, particularly for M&A transactions, and on issues of restructuring, leveraged buy-outs, private equity transactions, real estate transactions and the acquisition and sale of distressed assets. He also assists companies in company audits and taxation disputes.

Dr Karl Friedrich Dumoulin primarily advises companies on issues of national and international commercial law in their day-to-day business (supply and service agreements, cooperation and distribution agreements, questions relating to competition law and IP law, in particular trademark applications, licence agreements). Dr Dumoulin also represents his clients before courts, offices and courts of arbitration in these areas. In particular, Dr Dumoulin specialises in the field of financial servic...