
Standing out due to its corporate and regulatory capabilities, Bratschi Ltd notably advises care providers, pharmacies, and major pharma companies. Praised by clients for his ‘intelligence and quick-mindedness’, Felix Kesselring leads the team from the Zurich office, and is recommended for his vast regulatory knowledge surrounding medical and pharmaceutical law, often appearing before administrative authorities. Yaël Heymann’s area of expertise lies at the intersection between pharma and data protection law, with a strong focus on regulatory data protection work within the healthcare space.
Testimonials
Collated independently by Legal 500 research team.
‘I would like to express my satisfaction with the consulting services provided by the team. The collaboration has always been professional and efficient. I greatly appreciate the reliable and competent support and look forward to continued successful cooperation. Additionally, I was very pleased with the team; they approach tasks pragmatically, possess extensive experience, and have consistently delivered excellent results.’
‘I have been working with Felix Kesselring for longer than three years now and I value his responsiveness and eye for detail. All cases he was involved in have been successful.’
‘Felix Kesselring: very fast response times and gives a thorough analysis in the format required and ready to use for the board or management.’
‘We have worked for years with Bratschi using their legal expertise in various areas of pharma law. Bratschi has accompanied us successfully during legal litigation cases. For sure, the advocates have a deep knowledge of practical pharma law implementation and respond very reliably and on time. This happens irrespective of the individual attorney we worked with.’
‘We very much value the short response time and quality of evaluations when we submit legal questions to Bratschi. There is high esteem on both sides enabling us to clarify pharma legal challenges. We appreciate further the Pharma&Recht events which lay out the legal practice and which are free to attend.’
‘This practice is unique due to its exceptional expertise and client-focused approach. The team is led by Felix Kesselring, whose deep knowledge in healthcare and pharmaceuticals law ensures that complex legal challenges are addressed with precision and efficiency. A key strength is their ability to provide pragmatic, practice-oriented solutions that align with clients' business objectives.'
‘Felix Kesselring is distinguished by his expert knowledge of healthcare and pharmaceuticals law, intelligence and quick-mindedness. What sets him apart from competitors is his genuine commitment to client service and his ability to deliver pragmatic solutions tailored to specific business contexts. His client-oriented approach ensures that he listens carefully and responds effectively to client needs, fostering a strong, trust-based relationship. I have particularly valued Felix Kesselring's strategic foresight in navigating complex legal landscapes. This makes him a standout partner and a trusted advisor.’
'Very effective collaboration between partners and associates. Very knowledgeable in treating matters with Swissmedic.'
Key clients
- Zur Rose Suisse Ltd.
- Körber Pharma Packaging AG
- Daiichi Sankyo (Schweiz) Ltd.
- Otto Group
- Ortsbürgergemeinde St. Gallen
- Neuraxpharm Switzerland Ltd.
- Post CH Ltd.
- Gilead Sciences Switzerland LLC
- Smith & Nephew Orthopaedics Ltd.
- Sigma Aldrich Production GmbH
- CSL Behring Ltd.
- IGEN Biolab Group Ltd.
- Kantonsspital St. Gallen
- Spitalregion Fürstenland-Toggenburg
- Oertli-Instrumente AG
Work highlights
- Advised Otto Group on the acquisition of the Medgate, a provider of digital health services, and Better Doc, a provider of services in the field of medical quality data analysis.
- Represented Neuraxpharm Switzerland Ltd. before the Federal Supreme Court against price reductions for one of its medicinal products.
- Advised Körber Pharma Packaging Ltd. on the planning of production, logistics and office areas.
Lawyers

Practice head
The lawyer(s) leading their teams.
Felix Kesselring