Firm Profile > Lenz & Staehelin > Zurich, Switzerland

Lenz & Staehelin

Banking and finance: Geneva Tier 1

The sizeable team at 'dynamic' and 'highly professional firmLenz & Staehelin is renowned for its regulatory and transactional expertise provided to clients such as Banque Pictet & Cie, Credit Suisse and J.P. Morgan, as well as its 'strong ties with international peers'. Investment management partner François Rayroux advised Paris-based Amundi Asset Management on the merger of 33 exchange traded funds, while Swissquote banking group instructed fintech specialist Fedor Poskriakov on all contractual and regulatory aspects concerning bitcoin trading. Financing expert David Ledermann, the 'hands-on and pragmaticOlivier Stahler and 'pre-eminent lawyerShelby du Pasquier  are among the key practitioners.

Banking and finance: Zurich Tier 1

The 'reliable and prompt' team at Lenz & Staehelin advises on financing, regulatory matters and proceedings, internal investigations and fintech projects, and has 'very good knowledge of both the Swiss market and EU developments'. Marcel Tranchet assisted Banque Internationale à Luxembourg with the transfer of a majority stake from Precision Capital to Chinese company Legend Holdings. Practice lead Patrick Hünerwadel, who is 'a master of his profession', and Patrick Schleiffer, who 'provides very helpful advice', are also noted.

Capital markets Tier 1

One of the 'leading practices in Switzerland', Lenz & Staehelin's 'depth and quality is world class'. Equity transactions, bond offerings, securitisation, derivatives, convertibles and structured notes are among its areas of expertise. 'Stand-out performerJacques Iffland advised ObsEva on a $60m private investment of shares and short-term warrants regarding a public equity transaction with several investors, while Rudolf Tschäni and Hans-Jakob Diem assisted Sika with its CHF1.65bn issuance of senior convertible bonds on SIX Swiss Exchange. 'Knowledgeable and thorough' derivatives and structured products expert François Rayroux and Zurich co-lead Patrick Schleiffer are other names to note.

Commercial, corporate and M&A Tier 1

Lenz & Staehelin's 'highly recommended, hands-on' team stands out for its 'very thorough levels of preparation' and 'impeccable integrity', 'combining exceptional lawyers with tremendous collegiality and client service'. Focus areas include private and public M&A, corporate governance, and private equity transactions. In a recent highlight, 'world-class M&A lawyerHans-Jakob Diem assisted Saudi Basic Industries with its upcoming 24.99% share capital acquisition in Clariant. Rudolf Tschäni is another key practitioner, while clients further recommend 'extraordinarily smartTino Gaberthüel; 'committedBeat Kühni, who has 'an encyclopaedic knowledge'; 'clear, proactive and quickStephan Erni; as well as 'efficient and flexible' Geneva-based Guy Vermeil.

Competition Tier 1

The 'dedicated and trustworthy team' at Lenz & Staehelin is recommended for providing an 'outstanding' service, including 'accurate, business-focused legal advice'. Merger control notifications, international merger filings, abuse of dominance, cartel investigations, dawn raids, leniency procedures and Swiss court litigation are some of the key areas of expertise. Recent highlights include representing Pfizer in its successful appeal against multimillion-CHF fines imposed by the Competition Commission (ComCo) for alleged unlawful resale price maintenance in connection with the drug Viagra. Key names in Zurich include the 'results-focused and highly knowledgeableMarcel Meinhardt, who is 'one of the leading experts in competition and antitrust law'; counsel Felix Prümmer, who has an 'analytical' approach; associate Frank Bremer; and Astrid Waser, who is acting for Ticketcorner in a merger control appeal. Benoît Merkt is the recommended key contact in Geneva.

Dispute resolution: arbitration Tier 1

The multi-jurisdictional practice at Lenz & Staehelin 'thinks strategically' and 'has exceptionally strong knowledge of the nuts and bolts of Swiss arbitration' and has a 'diligent' approach and 'sharp understanding of foreign law matters'. The team acts for various industries, including pharmaceuticals, construction, telecoms, sports and energy. 'Outstanding and high-calibre' practitioner Harold Frey, who impresses with 'actionable advice and on-the-spot arguments in court', achieved the dismissal of all claims against the State of Palestine concerning a private investment, which were brought by a private company. 'Hands-on, dedicated arbitratorXavier Favre-Bulle is the key partner in Geneva.

Dispute resolution: litigation Tier 1

Lenz & Staehelin's strengths in litigation include banking and finance, liability claims, white-collar crime, shareholder and post-M&A litigation, inheritance disputes, employment claims, as well as contentious intellectual property and real estate matters. In 2018, Harold Frey and Dominique Müller reached a settlement for client Sika, the Burkard family and Saint-Gobain concerning the €1.8bn dispute over the attempted sale of the family's stake to Saint-Gobain, terminating all proceedings and maintaining Sika's status as an independent company. Frey acts for respondent Bank Julius Bär in ongoing monetary claim proceedings against the German government body BvS (Federal Institute for Special Tasks Arising from Unification). Daniel Tunik heads the team in Geneva.

Employment Tier 1

The sizeable employment and pension practice at Lenz & Staehelin 'provides very commercial advice in a responsive manner, managing delivery expectations well'. With special experience in the drafting of employment rules and regulations, executive compensation aspects and cross-border employee transfers, clients stem from a variety of sectors, including banking, engineering, IT, retail and pharmaceuticals. In an ongoing highlight, Rayan Houdrouge represents Uber in multiple social security disputes, such as appeal proceedings against authorities, employment-related claims from drivers and administrative proceedings concerning the requirement of a staff leasing licence. Matthias Oertle, who 'is good at explaining legal provisions in a user-friendly way', advised Moody's Analytics on its acquisition of Bureau van Dijk Editions Electroniques.

Intellectual property Tier 1

Lenz & Staehelin 'responds swiftly and adequately' and houses a team of 'professionals who know what they are talking about'. With a focus on life sciences, consumer products, culture and the public sector, services include strategic IP advice and management, such as patent, trade mark, copyright and design law, as well as unfair-competition matters, IP arbitration and litigation. In recent successful matters, Jürg Simon represented Emmentaler Switzerland against antitrust claims and in an appellation of origin matter in Italy, while Thierry Calame defended Migros against a patent infringement claim concerning coffee capsules manufactured in Switzerland. 'Proactive' counsel Lara Dorigo, who 'provides clear, comprehensive advice', is also recommended.

Leading firms: French-speaking Switzerland Tier 1

Geneva- and Lausanne-based firm Lenz & Staehelin receives major recognition for its banking expertise, alongside its outstanding strength in capital markets, private client matters, tax, real estate, sports law and dispute resolution. Key lawyers include Shelby Du Pasquier, Olivier Stahler, François Rayroux, Lucien Masmejan, Andreas Rötheli, Jean-Blaise Eckert, Benoît Merkt and Xavier Favre-Bulle.

Leading firms: German-speaking Switzerland Tier 1

Lenz & Staehelin has supreme experience of banking and finance, capital markets, corporate and M&A, competition and dispute resolution, with additional expertise in IP, TMT, sports and tax matters. Patrick Hünerwadel, Marcel TranchetHans-Jakob Diem, Harold Frey, Marcel Meinhardt, Jürg Simon and Lukas Morscher are among the leading individuals.

Private client Tier 1

The 'pragmatic and efficient' private client team at Lenz & Staehelin 'operates at the highest technical levels' and 'has an outstanding ability to provide comprehensive advice to international clients on business succession, taxation, family governance, estate planning and wealth management matters'. The practice also handles contentious matters, with a strong focus on trust litigation. Key partners include Lucien Masmejan, 'an outstanding lawyer who has a wealth of experience advising and coordinating matters for high-net-worth families', 'trust structure expertMark Barmes and 'technically able, clear adviserHeini Rüdisühli in Zurich.

Public law Tier 1

The 'proactive, dedicated and involved' public law team at Lenz & Staehelin provides 'a level of service that is excellent in every respect' and is 'capable of anticipating the next steps that public authorities are going to take'. It handles public procurement, infrastructure, energy, TMT, environmental and real estate matters, with a particular focus on public tender proceedings, price surveillance issues, transmission grid tariffs and various sector regulations. Marcel Meinhardt, who 'has a strong ability to understand even the most complex circumstances', represents Swiss Post in a Supreme Court matter involving a regulatory complaint and request for lowering the postal fees on newspaper delivery from Swiss houses. Clients also recommend 'outstandingly skilled lawyersFelix Prümmer and Frank Bremer.

Real estate and construction Tier 1

Lenz & Staehelin is best known for advising on real estate financing, sale-and-lease-back transactions, commercial leasing, developments, public-sector matters and regulatory law. Subsequent to handling the acquisition, Beat Kühni is assisting Marriott and Ritz-Carlton with the transition and refurbishment of a luxury five-star hotel to be relaunched as "The Ritz Carlton, Hotel de la Paix Geneva". Eli Lilly and Z Capital Partners are among its other clients. Cécile Berger Meyer is the key contact in Geneva. Geneva-based Andreas Rötheli handles transactional real estate matters.

Sports law Tier 1

Best known for acting for athletes and sports organisations, Lenz & Staehelin provides a broad range of services, including dispute resolution, corporate and commercial law, competition, immigration, intellectual property and tax matters. Marcel Meinhardt acts for Swisscom, CT Cinetrade and Teleclub in the foreclosure of ice-hockey content on pay TV being distributed over Swisscom's TV platforms. Head of arbitration Xavier Favre-Bulle has expertise in CAS and tribunal disputes.

Tax Tier 1

'Great law firmLenz & Staehelin 'has a large and competent team with comprehensive expertise in international tax structuring, which is able to provide clear and succinct advice'. The practice also handles tax dispute resolution and matters relating to the exchange of information. 'Excellent lawyerPascal Hinny advised on the tax issues arising from Sika's placement of senior convertible bonds on SIX Swiss Exchange, while 'highly skilled practitionerJean-Blaise Eckert represented several banks in various litigation matters relating to the refusal to withhold tax refunds due to alleged dividend stripping strategies. Other key practitioners include 'very smart and easy-to-work-withFrédéric Neukomm and 'open-minded strategistDaniel Schafer.

Healthcare and life sciences Tier 2

Core areas of expertise at Lenz & Staehelin include intellectual property and commercial disputes, regulatory advice, M&A and licensing transactions, as well as product liability, competition and outsourcing matters. Thierry Calame represents Mepha as the claimant in several patent nullity proceedings concerning breast cancer treatment, while Stephan Erni assisted Coltene with the acquisitions of SciClan and MicroMega. Counsel Lara Dorigo is another key practitioner.

Insolvency and corporate recovery Tier 2

The 'very professional and proactive team' at 'top firmLenz & Staehelin is 'very knowledgeable and vastly experienced in cross-border insolvency cases'. The enforcement of creditors' rights, restructuring matters and risk analyses form the core areas of expertise. 'Good strategic and conceptual thinkerTanja Luginbühl and the 'thoroughly prepared and assertiveRoland Fischer are handling the restructuring of Sempione Fashion. Senior associate Anja Affolter Marino is recommended for her 'excellent foreign language capabilities' and ability to 'translate legal knowledge into practical terms'.

Insurance Tier 2

Lenz & Staehelin's client portfolio features international and domestic insurers and re-insurers, financial institutions, funds and regulators, among others. The team is best known for advisory services in a corporate, investment, transactional and outsourcing environment, while also handling insurance policy and risk transfer aspects. Carterpillar Insurance, AXA, Baloise and Schweizerische Mobiliar receive regular assistance from the team, which is headed by Olivier Stahler and Lukas Morscher.

TMT Tier 2

Lenz & Staehelin is renowned for its transactional, contractual, licensing, regulatory, e-commerce, advertising and outsourcing experience, including longstanding expertise in the banking sector. In recent work, Lukas Morscher assisted a global banking group with the regulatory and transactional aspects concerning intra-group hosted data platform solutions. Transactions partner Guy Vermeil is the main contact in Geneva.

With over 200 lawyers and offices in three major economic centres, Lenz & Staehelin is the largest law firm in Switzerland. Known for its high professional standards, the firm provides its domestic and international clients with a full range of services in the main areas of law. It is ranked amongst the leading practitioners in business law.

Department Name Email Telephone
Banking and finance Patrick Hünerwadel
Banking and finance Stefan Breitenstein
Banking and finance Patrick Schleiffer
Banking and finance Beat Kühni
Banking and finance Roland Fischer
Banking and finance Marcel Tranchet
Capital markets Patrick Schleiffer
Capital markets Matthias Wolf
Commercial and contracts Beat Kühni
Commercial and contracts Stephan Erni
Competition Marcel Meinhardt
Competition Astrid Waser
Corporate and M&A Hans-Jakob Diem
Corporate and M&A Rudolf Tschäni
Corporate and M&A Stephan Erni
Corporate and M&A Tino Gaberthüel
Corporate and M&A Matthias Wolf
Employment, pensions and immigration Matthias Oertle
Foundations and philanthropy Tanja Luginbühl
Insolvency and restructuring Tanja Luginbühl
Insolvency and restructuring Roland Fischer
Intellectual property Thierry Calame
Intellectual property Jurg Simon
Investigations Marcel Meinhardt
Investigations Harold Frey
Litigation and arbitration Harold Frey
Litigation and arbitration Martin Burkhardt
Litigation and arbitration Alex Wittmann
Litigation and arbitration Dominique Müller
Private client Heini Rüdisühli
Private client Stefan Breitenstein
Real estate Beat Kühni
Real estate Stephan Erni
Tax Pascal Hinny
Tax Heini Rüdisühli
TMT and outsourcing Lukas Morscher
Photo Name Position Profile
Dr Martin Aebi  photo Dr Martin Aebi
Dr Stefan Breitenstein  photo Dr Stefan Breitenstein
Dr Martin Burkhardt  photo Dr Martin Burkhardt
Dr Thierry Calame  photo Dr Thierry Calame
Mr Hans-Jakob Diem  photo Mr Hans-Jakob Diem
Mrs Lara Dorigo  photo Mrs Lara Dorigo
Mr Stephan Erni  photo Mr Stephan Erni
Dr Roland Fischer  photo Dr Roland Fischer
Mr Harold Frey  photo Mr Harold Frey
Mr Tino Gaberthüel  photo Mr Tino Gaberthüel
Mr Alexander Greter  photo Mr Alexander Greter
Dr Patrick Hünerwadel  photo Dr Patrick Hünerwadel
Dr Robert Heberlein  photo Dr Robert Heberlein
Prof Dr Pascal Hinny  photo Prof Dr Pascal Hinny
Mr Beat Kühni  photo Mr Beat Kühni
Mr Fadri Lenggenhager  photo Mr Fadri Lenggenhager
Mrs Tanja Luginbühl  photo Mrs Tanja Luginbühl
Mr Dominique Müller  photo Mr Dominique Müller
Dr Marcel Meinhardt  photo Dr Marcel Meinhardt
Dr Lukas Morscher  photo Dr Lukas Morscher
Dr Matthias Oertle  photo Dr Matthias Oertle
Mr Heini Rüdisühli  photo Mr Heini Rüdisühli
Dr Christoph Reinhardt  photo Dr Christoph Reinhardt
Dr Patrick Schleiffer  photo Dr Patrick Schleiffer
Prof Dr Jurg Simon  photo Prof Dr Jurg Simon
Mrs Franziska Stadtherr-Glättli  photo Mrs Franziska Stadtherr-Glättli
Mr Marcel Tranchet  photo Mr Marcel Tranchet
Dr Rudolf Tschäni  photo Dr Rudolf Tschäni
Dr Astrid Waser  photo Dr Astrid Waser
Mr Alex Wittmann  photo Mr Alex Wittmann
Mr Matthias Wolf  photo Mr Matthias Wolf
Number of lawyers : 224
at this office : 104
Contact : Stefan Breitenstein (managing partner,
Other offices : Geneva
Other offices : Lausanne


While Lenz & Staehelin is acknowledged by most as Switzerland’s leading law firm, its connections and expertise span the globe.

With over 200 lawyers, its ability to innovate and adapt to the ever-changing complexities of legal and regulatory environments in Switzerland and beyond, has attracted many of the world’s top corporations as well as private individuals.