Dr. Olivier Mosimann

Attorney at Law, Partner, LL.M.

Olivier Mosimann is an experienced arbitration counsel, arbitrator and litigator. He co-chairs Kellerhals Carrard’s Arbitration Practice Group.

About

Olivier Mosimann co-chairs Kellerhals Carrard’s Arbitration Practice Group. He specializes in international commercial arbitration and litigation proceedings. He has acted as counsel in numerous arbitration (institutional and ad hoc) and litigation proceedings involving various sectors (including pharmaceutical, chemical, high-tech, energy, construction, consumer-good, financial-service, insurance/reinsurance, maritime, defense and sport sectors) and concerning diverse legal fields (including sales, joint ventures, construction, distribution/franchise, corporate, M&A, IP/IT, public procurement, antitrust/competition and financing). He also regularly sits as arbitrator (president, sole arbitrator co-arbitrator and emergency arbitrator) and is experienced as legal expert. In addition, he is a member of Kellerhals Carrard’s Sports Law Group.

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Languages

  • German
  • English
  • French
“Olivier Mosimann is always on top of the case and procedure.”
“Olivier Mosimann is a very nice and experienced individual. He is very quick at analysing and is good to work with.”
“Olivier Mosimann is very easy to work with and very fast.”
"Olivier is smart, efficient and always composed"
"Olivier is sure to become a leader of the Swiss arbitration community a few years down the road"
"Young, experienced and dynamic"
"Olivier Luc Mosimann impresses market commentators with his skilful litigation practice acting as counsel in energy, pharmaceutical and maritime-related disputes among others."
Who's Who Legal: Arbitration 2023: “Olivier is a very intelligent arbitrator” “He is amongst the next generation of arbitration stars in Switzerland” “He is extremely dedicated, responsive and organized”
Recommended by Legal500 and Who’s Who Legal in the practice areas of Arbitration and Commercial Litigation.
Who’s Who Legal Arbitration Global Future Leaders - Partners 2022: “Olivier is an extremely diligent counsel and arbitrator” “He is organised, diligent, and dedicated to finding the right compromises to conduct arbitration in a way that both parties agree with” “An active member of the international arbitration community with strong expertise in arbitration practice”
The Legal 500 EMEA Switzerland – Dispute Resolution: Arbitration, Next Generation Partners: “Olivier Mosimann has a ‘strong commercial background‘”

Experience

Ranking & Awards
Career
Memberships
Education
Further Activities
  • Chambers and Partners Global 2025: Arbitration Counsel
  • Who’s Who Legal: Thought Leaders – Switzerland – Arbitration 2024
  • Who’s Who Legal: Thought Leaders - Global Elite Commercial Litigation - Under 45 2024
  • Who’s Who Legal: Arbitration 2024
  • Who’s Who Legal: Commercial Litigation – Future Leaders 2024
  • Chambers and Partners Global 2024: Arbitration Counsel
  • The Legal 500 Private Practice Powerlist 2023 Arbitration DACH
  • The Legal 500 EMEA Switzerland – Dispute Resolution: Arbitration, Next Generation Partners (2023)
  • Chambers and Partners Europe 2023: Arbitration Counsel
  • Chambers and Partners Global 2023: Arbitration Counsel
  • Who's Who Legal: Global Leader Arbitration 2023
  • Who's Who Legal: Thought Leaders Global Elite - Commercial Litigation - Under 45 2023
  • Who’s Who Legal Global: Arbitration Future Leaders - Partners 2022
  • Who’s Who Legal Switzerland - Arbitration 2022: National Leader
  • Who’s Who Legal Switzerland - Commercial Litigation 2022: National Leader
  • International Law Office Client Choice Award 2021: Litigation, Switzerland
  • Who’s Who Legal Global: Commercial Litigation Future Leaders – Partners 2021
  • The Legal 500 EMEA Switzerland – Dispute Resolution: Arbitration, Next Generation Partners (2021)
  • Who's Who Legal Global: Arbitration – Future Leaders 2021
  • Who's Who Legal Switzerland – Arbitration 2020
  • The Legal 500 EMEA Switzerland – Dispute Resolution: Arbitration 2020
  • Who's Who Legal Global: Arbitration – Future Leaders 2020
  • Euromoney LMG Rising Star: Switzerland (winner) & Rising Star: Commercial Arbitration (shortlisted) 2019
  • Who's Who Legal Switzerland – Arbitration 2019
  • Who’s Who Legal Global: Arbitration – Future Leaders 2019
  • Who’s Who Legal Global: Litigation – Future Leaders 2018
  • Who’s Who Legal Global: Arbitration – Future Leaders 2018
  • Who's Who Legal Global: Arbitration - Future Leaders 2017
  • Since 2019: Partner at Kellerhals Carrard, Basel
  • 2017–2018: Senior associate at Kellerhals Carrard
  • 2015–2016: Associate in the Arbitration Practice Group of a world-leading arbitration firm
  • 2012–2014: Associate in Litigation/Arbitration Team at a leading Swiss firm in Zurich
  • 2010–2011: Clerk at Civil Court of Basel-Stadt
  • 2009–2010: Junior associate at a leading Swiss firm in Zurich
  • 2008: Court intern at International Chamber of Commerce (ICC), Paris
  • 2007–2009: Research and teaching assistant at Chair of Prof. Dr. Ingeborg Schwenzer
  • 2005–2006: Junior assistant at Chair of Prof. Ingeborg Schwenzer
  • List of Arbitrators of ICC Switzerland
  • Swiss Arbitration Association (ASA)
  • Advokatenkammer Basel
  • Zürcher Anwaltsverband (ZAV; Passivmitgliedschaft)
  • Swiss Bar Association (SAV/FSA)
  • 2015: LL.M. with Certificate of Specialization in Law & Technology, University of California, Berkeley, School of Law
  • 2011: Bar admission Basel-Stadt (admitted to all Swiss courts)
  • 2009: Dr. iur. (Ph.D.), University of Basel
  • 2006: lic. iur. (licentiate in law), University of Basel
  • Member of the Arbitration Court of the Swiss Arbitration Centre
  • Delegate of ICC Commission of Arbitration & ADR
  • Co-Chair of Swiss Arbitration Association (ASA) Local Group Basel
  • Regional Editor Guide to Arbitration Places (GAP) of DELOS Dispute Resolution
  • Kommissionsmitglied Freiwilliger Museumsverein Basel
  • Former Co-Chair ASA below 40 (2017-2020)
  • Former Regional Coordinator of German Arbitration Association Young Practitioners Initiative (DIS40; 2017-2020)
  • Since 2008: Arbitrator at Willem C. Vis International Commercial Arbitration Moot

Scientific publications

Scientific publicationsCommentaries
2023

Rechtsdurchsetzung vor staatlichen Gerichten und Schiedsgerichten, in: Pascal Grolimund/Leander Loacker/Anton K. Schnyder (Hrsg.), Basler Kommentar Versicherungsvertragsgesetz, 2. Aufl.

Dr. Olivier Mosimann
Scientific publicationsArticles
2020

Das anwendbare Recht in der staatlichen Gerichtsbarkeit und Schiedsgerichtsbarkeit, in: Peter Mosimann/Marc-André Renold/Andrea Raschèr (Hrsg.), Kultur Kunst Recht, 2. Aufl.

Dr. Olivier Mosimann
Scientific publicationsCommentaries
2019

Commentary on the UN Sales Law (CISG) Art. 61-63, (mit Christoph Brunner) in: Commentary on the UN Sales Law (CISG) (Christoph Brunner & Benjamin Gottlieb eds.)

Dr. Olivier Mosimann

Conferences

Conferences
2022

Erwartungen der Parteien an Schiedsrichter – richtiger Einsatz von soft skills, GAP Symposium 2022 - German Coffee, Webinar

Dr. Olivier Mosimann
Conferences
2021

Virtual Arbitration Hearings in Light of Due Process Concerns (Moderator), Young ISTAC / Altınbaş University, Webinar

Dr. Olivier Mosimann
Conferences
2021

Auskunft und Rechnungslegung durch Stufenklage im Schiedsverfahren und das Verhältnis zur document production, ASA Espace Mittelland, Bern

Dr. Olivier Mosimann
Conferences
2020

Just be Clause: Asymmetry and Due Process in Arbitration Clauses, Generations in Arbitration, Vienna (Webinar)

Dr. Olivier Mosimann

Contact

Basel

Henric Petri-Strasse 35
P.O. Box 257
CH-4010 Basel

Tel. +41 58 200 30 00
Fax +41 58 200 30 11

info@kellerhals-carrard.ch

Kellerhals Carrard

Basel ∣ Bern ∣ Geneva ∣ Lausanne ∣ Lugano ∣ Sion ∣ Zurich


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