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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.

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...

Dr. Alex Petrasincu is Managing Partner at Hausfeld in Germany. He advises on all aspects of European and German competition law with a special focus on antitrust litigation. Alex is specialized in representing parties in cartel damages actions before the German courts, and has advised on damages actions in various jurisdictions. Alex has represented parties in and advised on actions before numerous German District Courts, Courts of Appeals, the German Constitutional Court, as well as the Eur...

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

Jessica Hanke is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Jessica practices law in Cologne, Germany Best Lawyers has recognized Jessica Hanke since 2024. 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 Jessica Hanke is held by other lawyers.

Jens Kleinert practises as a lawyer and a certified tax lawyer, advising clients on all issues dealing with national and international tax law, in particular on the development of tax-optimised structures and the implementation thereof. This also comprises the development and application of capital market products, especially by using investment funds. He has broad experience in advising on complex restructurings and cross-border transactions. His focus is particularly on business succession ...

Lawyer and Mediator Partner

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...

Henrik Holzapfel is a lawyer recognized by Best Lawyers in the practice areas of Intellectual Property Law and Litigation. Henrik practices law in Düsseldorf, Germany Best Lawyers has recognized Henrik Holzapfel 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 Henrik Holzapfel is held by other lawyers.

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.