id est avocats sàrl > Lausanne, Switzerland > Firm Profile

id est avocats sàrl
P.O. Box 5508

Switzerland > Data privacy and data protection Tier 2

id est avocats sàrl acts for a wide variety of clients from start-ups to established financial institutions and intermediaries on all types of data protection and data privacy matters. The group has particular experience in assisting larger firms with matters from the emerging deeptech and artificial intelligence markets. Michel Jaccard is the head of the joint IP, TMT and data protection practice and has ample experience with data privacy issues of innovative technologies, such as digital transformation, machine learning and blockchain. Recently, the team has been particularly active in the healthcare and biotech sector.

Practice head(s):

Switzerland > TMT Tier 2

id est avocats sàrl has particular experience in new technologies and new vertical industries and frequently advises clients, including start-ups and established players, from the fintech, insurtech, mobility, media, health and data fields on issues pertaining to artificial intelligence, blockchain, deeptech as well as cybersecurity, offering the ‘right mix of industry and technology expertise‘. Michel Jaccard is an ‘expert in the area of IT-outsourcing‘ as well as information technology generally. Juliette Ancelle advises on technology and media matters, with particular expertise in social media, and represents clients in judicial proceedings.


‘The team of id est avocat has the right mix of industry and technology expertise, best practice expertise in handling highly complex outsourcing agreements with the ability to think outside of the box when necessary.’

‘Michel Jaccard is one of the greatest experts in the area of IT outsourcing I ever had the pleasure to work with. He provided excellent legal advice in a highly complex case.’

‘The human qualities of the team members, the listening skills, the involvement of the partner and the undeniable quality of the outputs stand out.’

‘They are interested in the issue, the cases, not just the money.’

Switzerland > Employment Tier 3

id est avocats sàrl acts for individuals and corporate clients on a wide range of employment matters, including the day-to-day employment issues, such as employee contracts, transfers and terminations, as well as assistance with internal investigations and support on the employment issues in connection with corporate transactions. Juliette Ancelle heads the employment practice and is experienced in the setting up of employee incentive schemes, negotiating work packages for senior executives and assisting with internal investigations and employment disputes.

Practice head(s):

Switzerland > Fintech Tier 3

Lausanne-based and ‘super tech-orientedid est avocats sàrl advises start-ups, investors and global players in the financial services industry in particular on blockchain and crypto matters, including initial coin offerings, as well as fintech programs for financial services, such as apps, and online investment platforms, for example crowd-lending and crowd-funding platforms. Michel Jaccard and Mehmet Toral jointly head the practice and are both ‘highly skilled and trained lawyers with outstanding expertise‘. The team also advises on the data protection aspects of fintech projects.

Practice head(s):

Michel Jaccard; Mehmet Toral


What clearly differentiates them is that the team is highly solution-oriented and has a deep understanding of the tech environment and how technology will impact various fields. They are focused on start-ups and therefore clearly understand this niche very well and can serve their clients perfectly.’

‘Michel Jaccard and Mehmet Toral are highly skilled and trained lawyers, with an outstanding expertise in the fields of M&A, venture capital, technology. Great combination of legal and technical (IT) skillset, allowing them to truly understand the challenges in an industry and how to address the problems Their ability to understand complex matters and quickly break down problems into easily understandable blocks allowed us to work efficiently on innovative solutions. They are both client-centric, always available, and will always go the extra mile.’

‘Id est is a straightforward and pragmatic law firm, which every start-up and or investor in a start-up should consider (especially the french part of Switzerland). They are super tech-oriented, collaborate in a super fast pace and the people working at the law firm are very competent.’

‘Mehmet Toral is a tech-oriented lawyer who thinks outside of the box-thinking lawyer, speaks the same language as techies and is super charming and open-minded.’

Switzerland > Intellectual property Tier 3

id est avocats sàrl‘s intellectual property practice advises in particular on trade mark protection strategies in a variety of industries, including banking, fintech, watch making, luxury goods as well as medtech and biotech. The team is particularly adept at advising at the intersection of IP and digital and is well versed in assisting with IP-related employment matters. The team of ‘exceptional lawyers‘ is headed by Juliette Ancelle and Michel Jaccard and provides ‘highly efficient‘ IP advice.


‘id est is a unique law firm specializing in IP. The lawyers working there are exceptional. They are highly skilled, experienced, detail-oriented (critical in this industry), and dynamic in their service-providing methods.’

‘Each lawyer at the firm stands out for their fundamental specialised knowledge. Their expertise makes the service experience very gratifying. The expertise of their lawyers truly makes your experience worthwhile. The stand-out individuals Michel Jaccard and Juliette Ancelle.’

‘Expertise linked with practical abilities. Team players.’

‘Juliette Ancelle is a great lawyer.’

Switzerland > Commercial, corporate and M&A Tier 4

The team at id est avocats sàrl predominantely advises clients from the technology, life scineces, financial and professional services, and computing sectors. The practice acts in venture capital, private equity and M&A matters, often for high-growth companies. Specialisations include corporate financing, capital structuring and exit strategies. Michel Jaccard combines corporate and IP expertise; he leads the practice together with Mehmet Toral who specialises in VC and PE investments. Marina Castelli made partner in July 2021.

Practice head(s):

Other key lawyers:


‘Highly skilled team with a pragmatic approach. Young and dynamic.’

‘Marina Castelli-Joos is available and a good listener. Good practitioner.’

‘The team delivers very pragmatic advice and quickly understands the in-house/business needs. They manage to bridge between large companies and start-ups due to their diverse clients. They are very well informed and good with investment in private companies/start-ups.’

‘Michel Jaccard is very good with everything about new technologies, data protection, licensing. Mehmet Toral is very good with corporate matters, M&A and investment rounds.’

‘Best firm for support in the high-tech start-up community in Switzerland. In-depth knowledge of the ecosystem and specific dynamics in the field.’

‘We appreciate the relatively young team which is dynamic, but experienced enough to meet most of our needs. We felt they speak our language, understand our needs, have been through similar cases before and can also provide competitive commercial conditions. The team is responsive and will go the extra mile to get the job done.’

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.

Tech, Corporate, IP Michel 21 321 08 80
HR, IP, Corporate Juliette 21 321 08 80
Corporate, Commercial Mehmet 21 321 08 80
Corporate, Commercial Marina 21 321 08 80
Juliette Ancelle photoMs Juliette AncellePartner. She mainly advises and represents clients in business and corporate matters,…
Marina Castelli-Joos photoMs Marina Castelli-JoosPartner
Michel Jaccard photoMr Michel JaccardMichel Jaccard is a partner and the founder of id est avocats.…
Mehmet Toral photoMr Mehmet ToralCounsel
Number of lawyers : 11