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Individual Profile

David Oser

Homburger - Zürich

David Oser - Homburger
  • Prime Tower
  • Zürich, Zurich, Switzerland
  • CH-8005

Profile submitted by David Oser

Practice Areas

Focus on public and private M&A, including redomestication transactions; corporate governance and general corporate matters. Recent representations: Transocean Ltd. in its public tender offer for all shares of Songa Offshore SE (2017), WISeKey International Holding, a cybersecurity firm, in its purchase of QuoVadis and its technology (2017), ChemChina in its 43bn public tender offer for Syngenta (2016), Global Infrastructure Partners's sale of its 44.9% stake in FluxSwiss to investors (2016), Axel Springer and Ringier creating a new joint venture company (2015), Swiss Prime Site's acquisiton of SENIOCare (2015), SIX Group's sale of its equity interest in STOXX to Deutsche Börse (2015), Holcim in its merger with Lafarge (2014), Tokyo Electron in its acquisition of Oerlikon Solar (2012), Tyco International in the merger of Tyco Flow Control with Pentair (2012).

Professional Memberships

Swiss-American Chamber of Commerce, Legal Chapter.


Joined Homburger in 2003, Partner since 2009. Previously an associate at Sullivan & Cromwell, LLP (New York, 2000 – 2002).


Co-editor of leading commentary on Swiss "Say on Pay" regulations.


Born 1970. University of Basel (lic iur 1995; Dr iur 2007). Columbia Law School (LLM 2000). Admitted to Swiss courts (1998) and New York bar (2001).