Klaus Gennen

Herbert Posser is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Environmental Law and Public Law. Herbert practices law in Düsseldorf, Germany Best Lawyers has recognized Herbert Posser 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 Herbert Posser is held by other lawyers.

Tobias Lenz is a lawyer and partner at Friedrich Graf von Westphalen & Partner. In addition, he is a professor for national and international commercial law at the Rhineland University of Applied Sciences (Rheinische Fachhochschule) in Cologne and the director of the Institute for Liability and Insurance Law (Institut für Haftungs- und Versicherungsrecht). Tobias’ main focus lies on product liability and insurance law, liability of managing directors and execute board members, ...

Dr Michael Körner has been working as a lawyer in our Cologne office since 2018 and was appointed partner on January 1, 2026. He primarily advises clients in the areas of environmental law, public procurement law, public commercial law, surveying and cadastral law, and the law governing publicly appointed surveyors, in particular partnership law. He also advises on liability law, state liability and compensation law, and litigation. He speaks German and English.

Nils Meißner is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Nils practices law in Essen, Germany Best Lawyers has recognized Nils Meißner since 2027. 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 Nils Meißner is held by other lawyers.

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.

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.

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...

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...

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.

Christoph Angerhausen is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Christoph practices law in Düsseldorf, Germany Best Lawyers has recognized Christoph Angerhausen 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 Christoph Angerhausen is held by other lawyers.