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Testimonials
Collated independently by Legal 500 research team.
‘The teams are highly specialised and extremely pragmatic. The solutions are always delivered within the agreed timeframe and in the required level of detail.’
‘Celine Weber: Always reachable, very professional and pragmatic. I would recommend her to anyone in the healthcare sector!’
‘Best pharma regulatory team in Switzerland in my experience.’
‘Andreas Wildi is extremely knowledgeable and responsive.’
‘Walder Wyss has a strong track record in advising clients in the life sciences and biotechnology sectors. This expertise is crucial for a company like ours, which operates in the biopharmaceutical services field. The firm's lawyers understand the specific regulatory, commercial, and intellectual property challenges that biotech companies face.’
‘Huge expertise within the team, both from a legal but also medical aspect, which contributes to a deeper understanding of the healthcare system.’
‘Strong network and, thus, a good understanding of how authorities work. The combination of legal and medical backgrounds allows them to understand topics on a deeper level.’
‘A well-coordinated team that quickly recognises clients' needs and develops concrete, feasible and useful procedures. Andreas Wildi and Annemarie Lagger have excellent specialist knowledge at the highest level.’
Key clients
- Amgen Switzerland AG
- Pfizer AG
- Hirslanden Group
- University Children's Hospital Zurich
- A. Menarini GmbH
- Stemline Therapeutics Switzerland GmbH
- Max Zeller Söhne AG
- Grünenthal Pharma AG
- BeiGene Switzerland AG
- Laboratorium Dr. G. Bichsel AG
Work highlights
- Represented Pfizer, Amgen, Pierre Fabre and A. Menarini in various price reduction proceedings before the Federal Administrative Court and successfully represented Grünenthal Pharma before the Swiss Federal Supreme Court.
- Representing Hirslanden Group in hospital planning proceedings in numerous Swiss Cantons as well as in several inter-cantonal planning proceedings in the field of highly specialised medical services before the competent inter-cantonal planning body and the Federal Administrative Court.
- Advised SixPeaks Bio on its funding (USD 110m) by AstraZeneca, among other matters.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Michael Isler; Andreas Wildi
Other key lawyers
Annemarie Lagger; Celine Weber; Martin Zobl