ThomannFischer is a leading commercial law boutique with a strong emphasis on IP, technology and media law. Founded in 1998, the firm provides reliable support covering all aspects of commercial, IP and IT law to national and international clients. One of the firm’s defining characteristics is its commitment to the highest level of quality and client service. All of its partners have a long history of professional experience and comprehensive knowledge in their areas of practice, combining exceptional legal expertise across all business sectors where technology, commercial and legal considerations are key.

The firm’s affinity to IP and IT law is enhanced by its location in Basel, home to Switzerland’s life sciences cluster, which hosts international events such as ART Basel and the Baselworld Watch and Jewellery Fair.

Practice areas

The firm provides comprehensive expertise in litigation and client counselling work across all fields of intellectual property and information technology. This includes advising on patents encompassing numerous technologies, as well as on all aspects of trademarks, domain names, copyright, design rights, unfair competition, confidential information and related areas. The firm’s patent practice focuses on telecommunication, insurance and banking technologies, life sciences, bio- and nanotechnology, computer-supported inventions and data transfers. ThomannFischer has considerable experience in drafting and negotiating licence and other commercial IP agreements, as well as offering IP due diligence services. The firm regularly advises clients on the worldwide strategic development and management of IP portfolios.

Our approach

Due to the rare combination of attorneys at law and patent attorneys working in the same firm, ThomannFischer is a one-stop shop for all IP-related matters, including drafting, filing and prosecuting patent, trademark and design applications in Switzerland, Europe and the rest of the world.

ThomannFischer represents clients before the Swiss courts and authorities, as well as the European Patent Office. Our experience also covers alternative dispute resolution, including mediation and international arbitration.

International reach

Where a client’s assignment has international dimensions, we liaise with many renowned IP law firms throughout the world. Our expertise and experience enable us to coordinate complex transactions and successfully guide clients through multinational litigation.


Each of our professionals works in at least English, German and French.

Contact details

Elisabethenstrasse 30
Basel 4010

Professional contacts

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