Ann-Kathrin Wieland-Fröhlich

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...

Gabi Müllejans LL.M. oec. is a lawyer and local partner at Friedrich Graf von Westphalen & Partner. Since 2024, she has been working in the intellectual property and trademark and design law practice of Friedrich Graf von Westphalen & Partner’s Cologne office. She has many years of working experience as a trademark and competition lawyer at leading, internationally oriented law firms. She worked as a lawyer specializing intellectual property law at a renowned IP boutique in...

Sebastian von Lossow LL.M. is a lawyer and partner at Friedrich Graf von Westphalen & Partner. He has been working in the corporate law and M&A practice of Friedrich Graf von Westphalen’s Dusseldorf office since 2025. Sebastian von Lossow is a specialist in M&A, joint ventures and real estate transactions. His clients include entrepreneurs, family offices and mid-size companies (industrials, engineering as well as software-as-a-service) and real estate managers and investors...

Patrick Daum is a lawyer recognized by Best Lawyers in the practice area of Patent Attorney. Patrick practices law in Düsseldorf, Germany As a patent attorney, Patrick Daum is involved in patent prosecution as well as opposition proceedings to attack and defend patents in the areas of wireless communications (mobile communications), electrical engineering, aerospace technologies and mechanics. A further aspect of his work focusses on the enforcement of patents in litigation and nullity p...

Dr. Philipp F. Hardung is Counsel at Hausfeld in Düsseldorf, specializing in commercial and corporate litigation. Before joining Hausfeld, Philipp worked for a leading German law firm with a focus on corporate, banking and capital markets law as well as in the corporate law department of a Magic Circle law firm. He has acquired broad experience in litigation and dispute resolution, including cross-border commercial disputes and corporate litigation, as well as banking and financial dispu...

Dr Marcus Richter offers advice on all aspects of individual and collective labour law to national and international companies. In particular, he has considerable experience advising on corporate acquisitions, reorganisations, restructurings, outsourcing and integration projects. As part of this he is responsible for both the strategic conception and the negotiations with unions and works councils on wage agreements, settlement of interests, social plan, company agreements and arbitration pro...

Born in 1968 Legal studies at Bielefeld University First Exam ("1. Staatsexamen") in 1995 Legal clerkship ("Referendariat") at the Detmold District Court Second (Bar) Exam ("2. Staatsexamen") in 1997 Bar admission in 1998 Doctor of Laws (Dr. jur.) 2001 With the firm since 2001 Certified Specialized Attorney in Labor and Employment Law since 2003

Holger Weiß is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Real Estate Law. Holger practices law in Düsseldorf, Germany Best Lawyers has recognized Holger Weiß since 2020. 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 Holger Weiß is held by other lawyers.

Yorick Ruland is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Yorick practices law in Cologne, Germany Best Lawyers has recognized Yorick Ruland 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 Yorick Ruland is held by other lawyers.

Arne Kießling is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Arne practices law in Düsseldorf, Germany Best Lawyers has recognized Arne Kießling since 2022. 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 Arne Kießling is held by other lawyers.