Find an Attorney

back to overview
Reto Arpagaus

Reto Arpagaus

Dr. iur., LL.M.
Co-Head Financial Services
Co-Head Sports


T +41 58 258 10 00
F +41 58 258 10 99
Encrypted contact
vCard (download)

German, English, French

Reto Arpagaus

Dr. iur., LL.M.
Co-Head Financial Services
Co-Head Sports

Bratschi Ltd.
Bahnhofstrasse 70
P.O. Box
CH-8021 Zurich

T +41 58 258 10 00
F +41 58 258 10 99
German, English, French


Reto Arpagaus supports Swiss and international companies, entrepreneurs and private individuals in drafting and reviewing contracts as well as with corporate transactions (M&A, PE, VC), and he advises his clients in internal and regulatory investigations, corporate governance and compliance matters as well as intellectual property and competition law. Reto Arpagaus represents clients before state courts, courts of arbitration and administrative authorities. He has extensive experience and specialist knowledge, in particular in the areas of financial services, industry, telecommunications, IT and the sports sector. Reto Arpagaus is an active member of the board of different companies in these sectors. He publishes regularly and also lectures on these specialist areas.

Admitted to the Swiss Bar since 1993.

Professional career

  • Co-Head of the Financial Services industry group (2009-2017 and since 2020 again)
  • Member of the Bratschi Management Team and Board of Directors (2007-2016)
  • Partner with Bratschi (since 2000)
  • Associate with Bratschi Emch & Partner (1995-1996 and 1997-1999)
  • Assistant to Prof. Dr. Dieter Zobl at the Chair of Commercial and Banking Law at the University of Zurich (1993-1995)
  • Homburger Attorneys-at-Law (1991-1992)
  • District Court of Meilen (1990-1991)


  • Georgetown University Law Center, Washington, D.C., Master of Laws (1996-1997); with distinction
  • University of Zurich, Dr. iur. (1995); summa cum laude
  • University of Zurich, lic. iur. (1989); magna cum laude

Other activities

  • Subject specialist at the University of St. Gallen (HSG), Executive School of Management, Technology & Law (2014-2020)
  • Editor legal magazine ius.focus ( for trade and commercial law (since 2008)
  • Lecturer at the University of Zurich in commercial law (1994-1996 and 2002-2010)
  • Various board of directors mandates


  • recommended «Switzerland - Best Law Firms for Banking & Finance - 2022» by Leaders League
  • highly recommended «Switzerland - Best Law Firms for M&A - 2022» by Leaders League
  • listed as «notable practitioner» for «Corporate and M&A» by IFLR1000 (2021)
  • recommended for «Banking and Finance Law» by BestLawyers (2021)
  • recommended for «Banking and Finance» and «Sports law» by Legal500 (2019)
  • recommended for «Banking and Finance Law» by BestLawyers (2018)
  • recommended for «Banking and Finance» by Legal500 (2018)


  • Swiss Bar Association
  • Zurich Bar Association
  • ASA, Swiss Arbitration Association
  • German-Swiss Lawyers’ Association
  • Ingres (Institut für gewerblichen Rechtsschutz)
  • Consulegis (International Network of Law Firms)

  • Corporate and contract law
  • Mergers & acquisitions, private equity- and venture capital transactions
  • Internal and regulatory investigations; corporate governance
  • Banking and finance law
  • Litigation before state courts, arbitral tribunals and administrative authorities
  • Sports and media law
  • Intellectual property and unfair competition law
  • Telecommunications and IT law
  • Inheritance law
  • Escrow agent



Publication Verwechslungsgefahr des Zeichens bzw. Firmenbestandteils «TELL» nach Marken- und Firmenrecht

Arpagaus Reto zusammen mit Frehner Norina, in: ius.focus 7/2021

Publication Vorläufig keine Angleichung an die EU-Praxis betreffend Wirkungsbereich von Nizza-Oberbegriffen Arpagaus Reto, zusammen mit Leuzinger Sarah, in: ius.focus 10/2015, Nr. 261, S. 19

Publication Basler Kommentar zum Bundesgesetz über den unlauteren Wettbewerb (UWG) Arpagaus Reto, hrsg. zusammen mit Reto Hilty, Basel 2013

Publication Das Schweizerische Bankgeschäft Arpagaus Reto, in: Urs Emch/Hugo Renz/Reto Arpagaus (Hrsg.), 7. Auflage, Zürich 2011

Publication Kommentierung: Art. 772-783 OR Arpagaus Reto, in: Jolanta Kren Kostkiewicz u.a. (Hrsg.), Handkommentar zum Schweizerischen Obligationenrecht, Zürich 2009

Publication Ausgewählte Rechtsprobleme bei der Besicherung von Forderung gegenüber einem notleidenden Schuldner Arpagaus Reto, in: Aktuelle Fragen des Bank- und Finanzmarktrechts, Festschrift für Prof. Dr. Dieter Zobl, Zürich 2004, S. 175-192 

Publication Markenschutz für "Die Gelben Seiten" - eine konservative Klärung Arpagaus Reto, in: Neue Zürcher Zeitung vom 9. Oktober 2001/Nr. 234, S. 25

Publication The Revised 1996 Convention Between the United States of America and Switzerland Arpagaus Reto, in: For the Avoidance of Double Taxation With Respect to Taxes on Income - a Brief Survey, Washington, D.C., 1997

Publication Swiss Banking Confidentiality and Related Issues Arpagaus Reto, Answers to the Most FAQ, for the Embassy of Switzerland, Washington, D.C., 1997

Publication Business Associations under Swiss Law Arpagaus Reto, in: For the Embassy of Switzerland, Washington, D.C., 1997

Publication Estates Involving the United States and Switzerland Arpagaus Reto, for the Embassy of Switzerland, Washington, D.C., 1997

Publication Banken und Finanzgesellschaften in Liechtenstein Arpagaus Reto, Schweizerische Schriften zum Bankenrecht, Bd. 40, Zürich 1996

Publication Die Besicherung von Anleihen Arpagaus Reto, Schweizerische Schriften zum Bankenrecht, Bd. 28, Diss. Zürich 1995

Publication Zur Prospekt-Prüfungspflicht der Banken bei Emissionen Arpagaus Reto, zusammen mit Dieter Zobl, in: Aspekte des Wirtschaftsrechts, Festgabe zum schweizerischen Juristentag 1994, Zürich 1994