Martin Köhler

Olaf Konzak is a partner in the Cologne office of Friedrich Graf von Westphalen & Partner and heads the public law practice. In September 2018, Olaf Konzak and a team of four lawyers from LLR Legerlotz Laschet und Partner moved to the FGvW office in Cologne. Since September 1, 2018, he has been a partner in the practice in public law. His practice focuses on environmental and waste law, chemicals and substances law and public building law. Olaf Konzak has been working as a lawyer since 19...

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.

Lutz Martin Keppeler is a top attorney recognized by Best Lawyers in the practice area(s) of Data Security and Privacy Law and Information Technology Law. Lutz Martin, who practices law in Cologne, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lutz Martin is held by other top lawyers in the same geographic and legal practice area.

Born in 1960 Apprenticeship as banker 1981 Legal studies at the University of Münster First Exam ("1. Staatsexamen") in 1986 Postgraduate studies at the University of Pennsylvania, Philadelphia, USA, 1986 - 1987 Master of Laws (LL.M.) 1987 Doctor of Laws (Dr. jur.) 1989 Second (Bar) Exam ("2. Staatsexamen") in 1990 Bar admission in Germany in 1990, with the firm since then Admission to the New York bar in 1991 Certified Specialized Attorney in International Business Law since 2014 Member...

Björn Fiedler is the founder and managing partner of Fiedler Cryns-Moll FCM Rechtsanwaelte Partnerschaft, a Cologne-based law firm that focuses on representing and advising insurance companies in complex claims and specific insurance products (including directors and officers liability; errors and omissions coverage; professional indemnity; public offering of securities insurance; employment practices liability; representations and warranties; cyber; fidelity; and product liability). He ...

Dr Thomas Bezani offers advice to national and international companies on all matters of individual and collective labour law. One of his specialities is the restructuring of companies and the associated negotiations with work councils and trade unions, with as well as regarding termination rights. He also represents his clients before courts of labour and civil law. His focuses is in the areas of commerce and services, automotive and manufacturing.

Helmut Balthasar is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Helmut, who practices law in Cologne, Germany, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Helmut is held by other top lawyers in the same geographic and legal practice area.

Hermann Kahlhöfer advises clients in patent law, in particular in the fields of electrical engineering, medical technology and physics. He has been working in the field of intellectual property for more than 40 years and has extensive experience in the field of national and international patent prosecution procedures and patent infringement matters as well as in the development and exploitation of intellectual property portfolios. After completing two years of military service with a spe...

Dr. Martin Jäger is Counsel at Hausfeld in Düsseldorf. He advises on all aspects of German and European antitrust law with a focus on antitrust litigation and merger control. Furthermore, he has many years of diverse experience in distribution antitrust law, in particular at the interface with intellectual property law and in antitrust damages proceedings, as well as in advising clients from the healthcare industry. Prior to joining Hausfeld, Martin was Senior Counsel at a leading G...

Wolfram Meven is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Tax Practice. Wolfram, who practices law in Düsseldorf, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wolfram is held by other top lawyers in the same geographic and legal practice area.