Markus Vivekens

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...

Christian Krohs is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Christian, 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 Christian is held by other top lawyers in the same geographic and legal practice area.

Markus Beaumart is a lawyer and partner at Friedrich Graf von Westphalen & Partner. Since July 2018, Markus Beaumart has been a partner in the area of real estate law and construction law at the Cologne office. He moved from DLA Piper to the Practice Areas Plant Construction, Real Estate and M&A of FGvW in Cologne with partners Arnt Göppert, Uwe Steingröver and Jörn Zons. Markus Beaumart began his legal career in 1996 in the Cologne office of the (then) law firm Oppenho...

Marc Oberhardt is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Marc, 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 Marc is held by other top lawyers in the same geographic and legal practice area.

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.

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.

Oliver Rosenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Oliver, who practices law in Düsseldorf, Germany, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Oliver is held by other top lawyers in the same geographic and legal practice area.

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...

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.

Born in 1954 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 1979 Legal clerkship ("Refrendariat") at the Paderborn District Court Second (Bar) Exam ("2. Staatsexamen") in 1983 Research assistant at the Chair for Civil Law and Labor Law at the University of Münster, 1983 to 1985 Doctor of Laws (Dr. jur.) 1985 Employed at Bayerische Hypotheken- und Wechselbank, 1986 to 1987 Bar admission in 1987 and with the firm since then