Mr Daniel Tunik > Lenz & Staehelin > Geneva, Switzerland > Lawyer Profile

Lenz & Staehelin
1211 GENEVA 6

Work Department

Litigation and Arbitration, General Civil Litigation, Employment Law, Bankruptcy and Debt Collection, White Collar Criminal Litigation, Enforcement of Foreign Judgements and Awards, International Legal Assistance in Civil, Criminal and Administrative Matters, IP Litigation, Investigations


Partner, Head of Litigation


Admission to New York Bar (1992), Admission to Geneva Bar (1994), Associate at Lenz & Staehelin (1995), Partner at Lenz & Staehelin (2001)


French, English, Spanish, German


Geneva Bar Association (OdA), Swiss Lawyers Federation (FSA, Member of the Committee of the Anti-Money Laundering Self Regulated Organisation)


University of Geneva (lic. iur. 1990), Geneva Graduate Institute for International Studies (Diploma of Higher Studies 1991), Georgetown University Law Center (LL.M. 1992)

Lawyer Rankings

Switzerland > Dispute resolution: litigation

(Leading individuals)

Daniel Tunik – Lenz & Staehelin

Praised by clients as ‘an excellent law firm with profound knowledge’, Lenz & Staehelin fields ‘a very professional and always available’ team, which has significant expertise in banking and financial litigation, corporate disputes, private client work, employment litigation, contentious real estate work and IP mandates. The practice also has knowledge of the white-collar crime arena and experience in disputes involving states or state-owned entities. Harold Frey leads the Zurich-based team, while Daniel Tunik heads up the practice in Geneva. In Zurich, Martin Burkhardt focuses on commercial disputes, Dominique Müller leads the investigations practice and Thierry Calame and Jürg Simon focus on IP litigation. Miguel Oural, Xavier Favre-Bulle and white-collar crime expert Hikmat Maleh are key names to note in Geneva.

Switzerland > Employment

Lenz & Staehelin covers all aspects of private employment law, public labour law, social security, pensions and employment-related immigration issues. The team, which includes investigations group head Dominique Müller and Matthias Oertle, acts for employers as well as senior employees on matters relating to restructurings, the impact of M&A transactions on human resources, and pension fund conflicts. Clients include international corporations as well as international organisations and charities. Counsel Sara Rousselle-Ruffieux is ‘highly recommended‘ and jointly leads the practice with Daniel Tunik, who focuses on contentious work. Nicole Koch-Frey departed in 2021 and Rayan Houdrouge left the firm in April 2022.

Switzerland > Intellectual property

Lenz & Staehelin covers all aspects of intellectual property, with the team handling patents, trade marks, designs, copyright, geographical indications and know-how protection, acting on prosecution as well as in litigation. Thierry Calame, Jurg Simon and Daniel Tunik jointly head the practice. Calame specialises in patent matters and licensing related arbitration, in particular with a focus on the life sciences, and is considered to be ‘one of the top Swiss IP specialists‘. Simon has a focus on IT, media and appellations of origin, among others, and Tunik is the litigation head. The ‘extremely impressivePeter Ling is experienced in trade mark and patent litigation. Lara Dorigo left the firm in January 2022.

Switzerland > Dispute resolution: arbitration

Fielding ‘a high-performing team of colleagues with high standards of professionalism, responsiveness and efficiency’, Lenz & Staehelin is a go-to name for high-profile international arbitration proceedings, acting as counsel and arbitrator. Several members of the team also have expertise in foreign jurisdictions and have knowledge of the pharmaceuticals, energy, telecoms, banking and spots sectors, among others. Xavier Favre-Bulle leads the arbitration team, while Harold Frey is head of the wider litigation and arbitration department; Favre-Bulle is based in Geneva and Frey is located in Zurich. Martin Burkhardt, IP specialist Thierry Calame, banking expert Daniel Tunik and counsel Martin Aebi are also singled out.