Oliver Künzler


Oliver Künzler is a partner in the Business Group Corporate and Commercial. He deals primarily with international and national M&A transactions, restructurings and reorganisations, private equity and venture capital transactions and financings. He also advises shareholders and companies on all aspects of contract, commercial and corporate law.

He further specialises in advising small and medium-sized enterprises, particularly with respect to business succession and structuring.

Oliver Künzler regularly publishes and speaks on topics of contract, commercial and corporate law. He is active in several national and international professional organisations and serves as an expert on business succession.

Practice Areas:

Corporate and Commercial
Life Sciences and Health Law
Banking and Finance
Insolvency and Restructuring
Life Sciences and Health Law


Member of the Board and Expert at KMU Next
Member of the Community School Board Egg/Zürich
Member of the Think Tank on business succession of the FHNW University


2015 Partner Wenger Plattner
2006 Attorney at Law Wenger Plattner
2006 University of Zurich (Dr. iur.)
2004 Research assistant for tax, finance and administrative law at the legal sciences institute of the University of Zurich
2004 Bar admission
2003 Trainee at Homburger
2002 University of Zurich (lic. iur.)

Selected publications:

Key issues of Swiss private M&A in the technology sector
This article analyses selected current and future challenges in the technology sector, focusing on typical legal risks and challenges, typical legal structure of tech deals under Swiss law, dealing with legal risks and challenges in tech deals, and challenges of blockchain technology and cryptocurrencies.

LexisNexis® M&A Law Guide 2019
The sixth annual complimentary guide to understanding M&A practices around the world with an Asia-Pacific focus

Praxisratgeber zur Planung und Strukturierung der Unternehmensnachfolge
Vertrags- und gesellschaftsrechtliche Umsetzung / Güter- und erbrechtliche Umsetzung / Steuerliche Umsetzung

GLI – Pricing & Reimbursement 2018
Every resident in Switzerland is mandatorily obliged to be covered by basic healthcare insurance which provides for a wide range of services. Persons with lower incomes are in principle granted reductions on the premiums payable for such basic healthcare insurance. Thus, every resident in Switzerland is granted access to affordable healthcare.

LexisNexis Mergers & Acquisitions Law Guide 2018
Jurisdictional Q&A - Switzerland

Newsletter 4/17: EU General Data Protection Regulation: Implications for Swiss businesses
Extensive efforts are currently underway to bring data protection law in line with rapid technological developments. These initiatives include the new General Data Protection Regulation (EU GDPR) which applies within the EU from 25 May 2018. Although the EU GDPR is not directly applicable in Switzerland, many Swiss businesses fall within its scope.

Praktische Umsetzung der neuen Meldepflichten
In: KMU-Magazin Nr. 10/2017

Challenges and key aspects of life sciences M&A in Switzerland
in: Thomson Reuters, Practical Law, Global Life Sciences Guide 2017

Newsletter 1/17: Practical implementation of the new disclosure requirements for shareholders and LLC members
The new disclosure requirements for acquirers of shares and limited liability company (“LLC”) capital contributions have led to considerable uncertainty in practice. The purpose of these requirements is to enable information to be obtained on both the owners and beneficial owners of companies limited by shares or LLCs. There are harsh sanctions for failure to comply with disclosure obligations: membership rights will be suspended and property rights may lapse. In practice, many questions remain unanswered with regard to implementation. Some possible approaches are set out below.

Konkurseröffnung ohne vorgängige Betreibung (Zahlungseinstellung) (in German)
In: Kommentierte Musterklagen zur Zwangsvollstreckung und zu den Rechtsmitteln, Fischer Willi/Theus Simoni Fabiana/Gessler Dieter (Hrsg.), Band V, Zürich 2016, S. 35 ff.

LexisNexis Mergers & Acquisitions Law Guide 2017
Jurisdictional Q&A - Switzerland

The life sciences, drugs and healthcare industry in 2016 and beyond: trends and predictions
Edited by Thomson Reuters, Practical Law, London (June 2016)

Challenges and key aspects of life sciences M&A in Switzerland
In: Thomson Reuters, Practical Law, Global Life Sciences Guide 2016/2017

Neue Herausforderungen im Umgang mit Aktionärsdarlehen und Cash Pools (in German)
In: CH-D Wirtschaft 3/2015 (Journal der Handelskammer Deutschland-Schweiz)

Challenges and key aspects of life sciences M&A in Switzerland
In: Thomson Reuters, Practical Law, Global Life Sciences Guide 2015/2016 | Private M&A Guide 2015/2016

Was Unternehmer über M & A-Transaktionen wissen sollten (in German)
In: KMU-Magazin 3/2013, S. 70

Wie Sie unnötige Gerichtsprozesse vermeiden (in German)
In: Zürcher Wirtschaft, 15 March 2012, p. 16

Konzernübertragung im Privat- und Steuerrecht (in German)
Schriften zum Steuerrecht Nr. 17, Zürich 2006


Dr. Oliver Künzler
Attorney at Law
Wenger Plattner
Attorneys at Law Tax Advisors Public Notaries
Seestrasse 39 | P.O. Box
8700 Küsnacht-Zürich

T +41 43 222 38 00
F +41 43 222 38 01


Bar admission (2004)


German, English, French, Italian