Firm Profile > id est avocats sàrl > Lausanne, Switzerland

id est avocats sàrl
P.O. Box 5508

Data privacy and data protection Tier 2

The data privacy and data protection practice at id est avocats sàrl, headed by Michel Jaccard acts for a number of clients active in the technology sector on data privacy and security issues arising from their artificial intelligence, blockchain, cybersecurity and deeptech-related projects. The team is experienced in assisting with the drafting of key licensing contracts, the sharing and use of personal and aggregated data, negotiating data protection agreements, drafting of privacy policies and cookie walls for websites as well as compliance audits.

Practice head(s):

Michel Jaccard

Key clients




DuPont Sustainable Solutions (DSS)

TMT Tier 2

id est avocats sàrl’ TMT practice is experienced in new technologies, including blockchain, artificial intelligence, cybersecurity, financial technology and insurance technology products; it is also active in the media, software and life sciences sectors. The team, which works closely with the firm's IP, data protection and corporate practices, advises on cross-border technology deployment and integration projects and handles comprehensive risk assessments as well as agreements with universities for the development of new technology. Juliette Ancelle and Michel Jaccard jointly lead the group and focus on machine learning issues, cloud-based solutions, deeptech work as well as media mandates, including social media work.

Practice head(s):

Michel Jaccard; Juliette Ancelle

Key clients

Ecole Polytechnique Fédérale de Lausanne

Bobst Group

Swiss Institute of Bioinformatics

Fongit – Innovation Incubator

Fondation pour l’innovation technologique

DuPont Sustainable Solutions


Banque cantonale de Genève

International Baccalaureate Organisation

Association internationale des interprètes de conférence

Assura Group

Employment Tier 3

id est avocats sàrl’s employment practice has a strong focus on assisting start-ups and companies in their growth phase. The team advises on a broad variety of issues, including employment law investigations and compliance, employee transfers, immigration and terminations and represents clients in employment disputes. Practice head Juliette Ancelle is experienced in social law compliance matters, implementing measures as a result of investigations carried out by labour authorities as well as setting up employee incentive plans.

Practice head(s):

Juliette Ancelle

Fintech Tier 3

id est avocats sàrl advises a range of clients from start-ups and investors to financial institutions on an array of fintech matters, including blockchain projects, cryptocurrencies, initial coin offerings, investment platforms and apps for financial service providers. Headed by Michel Jaccard and Mehmet Toral, the team is also experienced in data protection issues of fintech projects and provides general corporate advice to fintech clients as well as assisting with M&A transactions and investments.

Practice head(s):

Michel Jaccard; Mehmet Toral


‘id est avocats have provided us with very comprehensive and timely advice on broad cross-section of legal and commercial issues on which we have sought their counsel. We would highly recommend them to others.’

Key clients

WeCangroup SA

Banque cantonale de Genève (BCGE)

Finethic Microfinance / Fundo SA

Intellectual property Tier 3

The IP practice at id est avocats sàrl advises on trade mark, licensing, copyright and patent matters spanning a range of contentious and non-contentious mandates. The team assists with brand management issues, cybersquatting work and domain name disputes as well as the IP aspects of sponsorship deals, joint ventures and framework agreements for research and development. Juliette Ancelle and Michel Jaccard specialise in the technology, media and telecoms industries.

Practice head(s):

Juliette Ancelle; Michel Jaccard


‘High level of knowledge in the fields of intellectual property, copyrights, image rights for music and technology industry, company laws and estates.’

Key clients

Federal Polytechnic School of Lausanne (EPFL)

Association Internationale des Interprètes de Conférence (AIIC)

Foundation Claude Nobs

Cinémathèque suisse

Swiss Institute for Bioinformatics (SIB)

Commercial, corporate and M&A Tier 4

id est avocats sàrl is singled out for its focus on corporate work in the technology sector, which includes advising companies from industries ranging from computing, medtech and fintech to professional services. Led by practice heads Michel Jaccard and Mehmet Toral, the team covers corporate finance, joint ventures, governance and transactional matters. Senior associate Marina Castelli joined from Kellerhals Carrard.

Practice head(s):

Michel Jaccard; Mehmet Toral

Other key lawyers:

Marina Castelli


‘Very personal service and quick responses.’

‘Able to jump in late to a situation and deal with complex issues.’

‘Small boutique firm, its key partners are very hands-on and directly involved in doing the deal, very good value for money.’

‘Michel Jaccard and Mehmet Toral are ideal advisers for tech companies and start ups, to the point and with deep experience and actual tech business understanding.’

‘Michel Jaccard specifically knows everything about his clients and is highly helpful in various important topics.’

Key clients

Swisscom (Schweiz) AG

Vaudoise Assurances

EHL Group

Blue Ocean Ventures

VI Partners

Volumina Medical




WeCan Group

The firm: id est avocats is an award-winning boutique law firm active primarily in advanced technologies, privacy, media, advertising/publishing, commercial/corporate finance and acquisitions, and intellectual property/unfair practices. The firm is based in Lausanne, in the heart of the Lake Geneva region, and advises clients throughout Switzerland. The firm has developed long-term relationships with numerous prestigious global brands, successful entrepreneurs, seasoned investors, international groups, leading local SMEs, and many CEOs and owners of businesses that it has assisted in growth, acquisitions, combinations, restructurings and exits. Numerous cases lead the firm to interact with international law firms located all over the world, with recurrent exchanges with their Silicon Valley-based offices.

Areas of practice
Advanced technologies, media, publishing and advertising, privacy and data security: the firm helps global brands, innovative SMEs and established businesses navigate the world of advanced technologies (IS/IT, cloud computing, data protection, privacy, med/biotech, media, branding, advertising and telecoms). The team regularly assists in the design of best practices, the negotiation of highly complex technology and outsourcing projects, cloud architectures, cross-border privacy issues and the management of online presence and reputation, in particular in the field of social media. The team also regularly acts in the field of data security and cybercrime, offering quick and sophisticated advice in the context of cyberattacks as well as long-term support in the design of data management and security strategies. The firm also regularly advises in the fields of publishing and advertising.

Corporate finance, acquisitions and governance, commercial transactions, restructuring: the firm offers expert advice on commercial and corporate finance transactions, including M&A deals, private equity investments, venture capital financings and leveraged and management buyouts, and regularly assists in large transnational acquisitions and exits in the Lake Geneva region. Clients range from early stage, equity or debt financed companies and entrepreneurs to global leaders, and include numerous SMEs doing business with international suppliers or customers. The team also regularly advises on corporate governance matters and disputes, and offers expert support in employment-related matters in the corporate context (incentive plans, managers employment contracts, employees transfers, etc).

Intellectual property, unfair practices, entertainment: the firm regularly handles traditional copyright, trade marks, design, publicity rights, unfair competition and IP licensing matters and disputes across several industries, including luxury, watchmaking, IT, computing, med/bio/nanotech, food, retail, and media. The firm enjoys a recognised expertise in entertainment law, regularly assisting artists and producers in the music and movie industry, as well as in emerging issues such as free and open source strategies, open access models, and creative commons licensing.

Department Name Email Telephone
Tech, Corporate, IP Michel Jaccard +41 21 321 08 80
HR, IP, Corporate Juliette Ancelle +41 21 321 08 80
Corporate, Commercial Mehmet Toral +41 21 321 08 80
Corporate, Commercial Marina Castelli-Joos +41 21 321 08 80
Photo Name Position Profile
Ms Juliette Ancelle  photo Ms Juliette Ancelle Partner. She mainly advises and represents clients in business and corporate matters,…
Ms Marina Castelli-Joos  photo Ms Marina Castelli-Joos Partner
Mr Michel Jaccard photo Mr Michel Jaccard Michel Jaccard is a partner and the founder of id est avocats.…
Mr Mehmet Toral  photo Mr Mehmet Toral Partner
Number of lawyers : 11