We sincerely thank our Partner


Fieldfisher is a European law firm with market-leading practices in many of the most dynamic sectors. We are a forward-thinking firm with a particular focus on energy & natural resources, technology, finance & financial services, life sciences and media. Our firm comprises more than 1,700 people across 26 offices in Amsterdam, Berlin, Barcelona, Belfast, Birmingham, Bologna, Brussels, Dublin, Düsseldorf, Frankfurt, Guangzhou, Hamburg, London, Luxembourg, Madrid, Milan, Manchester Munich, Paris, Beijing, Rome, Shanghai, Turin, Venice and Silicon Valley.

Jonas Mark
Partner | Fieldfisher
Jonas Mark is a partner in the Fieldfisher ligitation department in Munich. He has over 15 years' experience advising international and domestic clients in business litigation and national and international arbitration cases. Jonas focusses on resolving business related disputes, in particular in the area of corporate, commercial, tax and insolvency law. He further advises and represents his clients in insurance related cases such as D&O and professional negligence cases. He can draw on his experience of more than 1,500 trials with a decent track record. His clients are national and international companies as well as their shareholders in particular in the technological, financial and automotive sector as well as investment funds.
Dr. Jan Wildhirth
Managing Director | Fieldfisher X
Dr. Jan Wildhirth is a partner of Fieldfisher and Managing Director of Fieldfisher X in Berlin, specialized on providing scalable legal services and mass litigation defense. He is experienced in handling thousands of cases in mass litigation situations for different clients, especially from the automotive and FinTech sector. Jan combines his skills as a lawyer with extended skills in the areas of technology and operations as well as digital business modeling. Before starting Fieldfisher X in January 2022, Jan was Founder of eagle lsp, a legal service provider focused on services in mass litigation support. He has also established Axel Springer hy as GC and COO - a company rethinking the provision of professional services with AI and worked as a lawyer at Freshfields Bruckhaus Deringer in Hamburg. Jan studied law at Boston College Law School and Bucerius Law School, Hamburg, where he also obtained his Ph.D. in capital markets law.
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