Stefan Galla

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

Lawyer Partner

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...

Dr Marcus Richter offers advice on all aspects of individual and collective labour law to national and international companies. In particular, he has considerable experience advising on corporate acquisitions, reorganisations, restructurings, outsourcing and integration projects. As part of this he is responsible for both the strategic conception and the negotiations with unions and works councils on wage agreements, settlement of interests, social plan, company agreements and arbitration pro...

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

Born in 1966 Legal studies at the Universities of Bielefeld and Cologne First Exam ("1. Staatsexamen") in 1991 Legal clerkship ("Referendariat") at the Bielefeld District Court Second (Bar) Exam ("2. Staatsexamen") in 1994 Bar admission in 1994 Lawyer with the firm of Bruckhaus Westrick Stegemann (now: Freshfields Bruckhaus Deringer), Hamburg and Düsseldorf from 1994 to 1996 Self-employed lawyer in Detmold from 1996 to 1999 Certified Specialized Attorney in Labor and Employment Law since...

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.

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.

Rainer Krüger is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Rainer, who practices law in Bielefeld, Germany, has been recognized since 2027. 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.

Born in 1969 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Research associate under Prof. Dr. Gerhard Otte (Chair for Civil Law, Civil Procedure and Legal History) at Bielefeld University, 1995 - 1998 Legal clerkship ("Referendariat") at the Bielefeld District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Judge at the Güstrow Local Court, 1998 - 1999 Bar admission in 1999 and with the firm since then Doctor of Laws (Dr. jur.) 2002 Appointment as notar...