Lars Klein

Oliver Rosenberg is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Oliver practices law in Düsseldorf, Germany Best Lawyers has recognized Oliver Rosenberg since 2012. 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 Oliver Rosenberg is held by other lawyers.

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...

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. 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,...

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.

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

Antje Weiss is a lawyer recognized by Best Lawyers in the practice area of Public Law. Antje practices law in Düsseldorf, Germany Best Lawyers has recognized Antje Weiss since 2026. 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 Antje Weiss is held by other lawyers.

Hans-Ulrich Wilsing is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice, Corporate Law and Mergers and Acquisitions Law. Hans-Ulrich practices law in Düsseldorf, Germany Best Lawyers has recognized Hans-Ulrich Wilsing since 2012. 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 Hans-Ulrich Wilsing is h...

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...

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...