Simone Ehrsam
Partner
Attorney at Law
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Partner Attorney at Law +41 58 450 80 00 simone.ehrsam@lenzstaehelin.com |
Zurich Brandschenkestrasse 24 CH-8027 Zurich www.lenzstaehelin.com |
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Expertise
Simone Ehrsam is a corporate partner based in our Zurich office, where she advises clients on all aspects of Swiss business law. She has extensive experience representing clients in domestic and cross-border M&A transactions, including public tender offers.
She recently represented, among others, Baloise in its merger with Helvetia, Rieter in the acquisition of Barmag from OC Oerlikon, Orascom Development Holding in the public tender offer by LPSO Holding, CREALOGIX in the public tender offer by Vencora UK Limited, Krones AG in the acquisition of all shares in Netstal Maschinen AG from KraussMaffei, and Amundi in the acquisition of Alpha Associates.
She has been admitted as an expert to the SIX Swiss Exchange for Listing Purposes and lectures on the LL.M. programme at the University of Zurich.
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Practices
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Professional Experience and Education
and Education
2022 Partner, Lenz & Staehelin 2014-15 Visiting attorney, Wachtell, Lipton, Rosen & Katz, New York 2012 Associate, Lenz & Staehelin 2012 Swiss Bar Admission 2010 University of Basel (MLaw) 2008 University of Basel (BLaw) -
Specialist Areas
Corporate and M&A, Public Tender Offers, Private Equity, Capital Markets, Corporate Governance, Commercial and Contract Law -
Languages
German, English -
Memberships
Zurich Bar Association (ZAV), Swiss Bar Association (SAV) -
SELECTED PUBLICATIONS
- Gaberthüel T., Ehrsam S., Öffentliche Umtauschangebote, in: GesKR (Gesellschafts- und Kapitalmarktrecht), 2/2025, 180 - 190
- Gaberthüel T., Ehrsam S., Schweizer Übernahmerecht - ausgewählte aktuelle Entwicklungen, in: SZW/RSDA, 5/2024
- Ehrsam S., Held L., Generalversammlung bei kotierten Gesellschaften – Lessons learned, in: iusNet, January 2024
- Gaberthüel T., Ehrsam S., Praktische Umsetzung der Aktienrechtsrevision, in: GesKR (Gesellschafts- und Kapitalmarktrecht) 2/2023
- Morscher L., Ehrsam S., Kommentierung von Art. 620-625 OR, in: Kostkiewicz/Wolf/Amstutz/Fankhauser (Hrsg.), Kommentar zum Schweizerischen Obligationenrecht, 4th edition, Zurich 2022
- Ehrsam S., Held L., Generalversammlung ab 2023 - neue Welt oder alles wie bisher?, in: iusNet, September 2022
- Diem H., Ehrsam S., COVID-19 - Ein Panorama der Rechtsfragen zur Corona-Krise, 1st edition, Basel 2020
- Wolf M., Ehrsam S., Sachgewährleistung beim Unternehmenskauf: Entdeckung des Mangels, in: GesKR (Gesellschafts- und Kapitalmarktrecht) 2/2013, 299-304
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Other Activities
Admitted as an expert to the SIX Swiss Exchange for Listing Purposes.
Lecturer on M&A law in the LL.M. program of the University of Zurich.
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Contact Details
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Assistant
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Other Activities
Admitted as an expert to the SIX Swiss Exchange for Listing Purposes.
Lecturer on M&A law in the LL.M. program of the University of Zurich.
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References
Simone Ehrsam is an expert in her field. She is very pragmatic, very business-oriented and very experienced.
Chambers & Partners, 2025Simone is an outstanding professional, top-notch legal advisor and effective and deal-oriented negotiator. Impressively committed and responsive at every point of the deal.
The Legal 500, 2025Very hardworking, experienced and a safe pair of hands
Legal 500, 2024Highly experienced in public M&A situations
Legal 500, 2024Direct and to the point. Precise with her use of words and very knowledgeable
IFLR 1000, 2023Market sources single out Simone Ehrsam as "a top M&A lawyer" who is "instrumental in bringing transactions to a good end".
Who's Who Legal, 2024Fantastic negotiator, very close to the detail
IFLR 1000, 2023Extremely responsive, alert and pragmatic
IFLR 1000, 2023