Klaus Umbach

Thomas A. Beisken is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Thomas A. practices law in Düsseldorf, Germany Best Lawyers has recognized Thomas A. Beisken since 2021. 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 Thomas A. Beisken is held by other lawyers.

Dr Möller has been a lawyer and partner at FPS since 1997 and is an expert in private construction, real estate, and public procurement law. She has extensive experience advising on large-scale projects—especially in healthcare, cultural, and municipal buildings—guiding clients from planning through to successful completion. Her focus includes contract drafting and negotiation, dispute avoidance, claim management, and legal enforcement. In public procurement, she supports con...

Michael Schaumann is a lawyer recognized by Best Lawyers in the practice area of Mergers and Acquisitions Law. Michael practices law in Cologne, Germany Best Lawyers has recognized Michael Schaumann since 2021. 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 Michael Schaumann is held by other lawyers.

Karl Maria Walter is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Karl Maria practices law in Düsseldorf, Germany Best Lawyers has recognized Karl Maria Walter since 2014. 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 Karl Maria Walter is held by other lawyers.

Dr. Kai Rüting is a partner at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Düsseldorf. Admitted as an attorney in 2005 and a partner of the firm since 2015, he advises clients on matters involving Intellectual Property Law , with a focus on patent infringement litigation, technology-related arbitration, and licensing disputes. His work frequently involves national and cross-border patent litigation as well as strategic issues concerning the enforcement of inte...

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...

Dr. Christian Sandweg is a German Patent Attorney (Patentanwalt) and European Patent Attorney at Vossius & Partner Patentanwälte Rechtsanwälte mbB in Düsseldorf. He focuses his practice on Intellectual Property Law , advising clients on the protection and enforcement of patent rights. Dr. Sandweg joined VOSSIUS in 2011 and was admitted to practice as a German Patent Attorney and European Patent Attorney in 2015. As part of his professional training in intellectual property,...

Christoph Janssen is a lawyer recognized by Best Lawyers in the practice area of Restructuring and Insolvency Law. Christoph practices law in Cologne, Germany Best Lawyers has recognized Christoph Janssen since 2021. 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 Janssen is held by other lawyers.

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.

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...