Our team
Cabinet Eos Associés
Estelle
PATTARD
Partner
Tobias
ROSTAGNI
Partner
Marilyne
DEFERI
Of Counsel
Gilles
COLIN
Of Counsel
Jean-François
MION
Of Counsel
Linda
TRIFI
Associate
Estelle
PATTARD
Partner
Tobias
ROSTAGNI
Partner
Marilyne
DEFERI
Of Counsel
Gilles
COLIN
Of Counsel
Jean-François
MION
Of Counsel
Linda
TRIFI
Estelle Pattard
Presentation
As a solicitor qualified in England & Wales and a French lawyer registered with the Bar of Nice, Estelle Pattard launched EOS ASSOCIÉS in early 2018 following 12 years with an English law firm in London and Monaco and a year in a French law firm based in Sophia-Antipolis, France.
She specialises in international trade, shipping & yachting and general commercial disputes and regularly handles cross-border disputes, in particular those involving fraud and corruption issues, before the French courts or subject to arbitration or litigation in England or in other juridictions.
Estelle also advises on contractual matters, particularly international commercial contracts, sale and purchase agreements, shipbuilding contracts, charterparties and bills of lading and regarding compliance with national and international trade and financial sanctions legislation and anti-corruption and anti-money laundering laws and regulations.
Career
- Solicitor – Vaughan Avocats – 2017-2018
- Senior Associate – Ince & Co Monaco SARL – 2013-2016
- Senior Associate – Ince & Co LLP (London) – 2004-2013
- LPC – University of Westminster, United Kingdom – 2004
- PgDL – University of Exeter, United Kingdom – 2003
- Master Degree in Business Law – University Paris-IX Dauphine, France – 2002
- Master in Management & Business Law – University Paris-IX Dauphine, France – 1997-2001
Expertise
- Commercial Contracts
- Shipping & Yachting
- International Trade
- Cross Border Disputes
- Fraud & Corruption
- Financial sanctions and KYC/AML issues
Estelle Pattard
Contact information
- eyp@eos-associes.com
- +33 6 95 30 81 95
- +33 9 72 16 52 65
Tobias Rostagni
Founding Partner – Corporate, Financing, Arbitration, and Cross-Border Litigation
Profile
A member of the Nice Bar, Tobias Rostagni is a founding partner of EOS ASSOCIES, a business law firm established in 2018.
He advises French and international clients—entrepreneurs, commercial companies, investors, foreign groups, and financial institutions—on their corporate transactions, financing, strategic contracts, and complex litigation.
His practice focuses on three main areas: growth and financing transactions (mergers and acquisitions, fundraising, bank financing, and guarantees), French and international business contracts, and dispute resolution, both in France and abroad.
Throughout his career, he has been involved in several large-scale acquisition, financing, and fundraising transactions, some of which involved amounts ranging from 50 to 150 million euros. He also handles arbitration cases before major international arbitration institutions, such as the ICC and the LCIA.
He primarily works in the banking, energy, luxury real estate and construction, telecommunications, innovative technologies, and video game sectors.
Experience Education
- Founding Partner – EOS ASSOCIES – since 2018
- Lawyer – Vaughan Avocats – 2014–2018
- Coach / Instructor – Willem C. Vis International Commercial Arbitration Moot – 2014–2020
- Arbitrator – Euro-Mediterranean Institute of Mediation and Arbitration (IEMA) – since 2025
- CAPA – Southeast Lawyers’ School – 2014
- Master II in Business Law – University of Nice Sophia Antipolis – 2014
- LL.M. in American Legal Studies – Thomas Jefferson School of Law, San Diego – 2011
- Master II in Economic and Business Law – University of Nice Sophia Antipolis – 2010
AREAS OF EXPERTISE PROFESSIONAL BACKGROUND
- Mergers, acquisitions, and business divestitures
- Bank financing and guarantees
- Fundraising and private equity
- Corporate reorganizations and restructurings
- French and international commercial contracts
- Commercial and corporate litigation
- International arbitration
- Debt collection and enforcement proceedings
- Real estate, construction, and energy
- Telecommunications, technology, and video games
Tobias Rostagni
Contact information
- str@eos-associes.com
- +33 7 70 64 03 99
- +33 4 83 58 05 17
Marilyne Deferi
Presentation
As a lawyer admitted to the Nice Bar in January 2012, Marilyne brings to EOS her strong experience in employment law and employment disputes.
She advises our clients on all the various aspects of employment law and its ever changing landscape, be it with the drafting of employment contracts and employment policies or the implementation of disciplinary sanctions up to and including the termination of employment relationships.
Marilyne also intervenes in the implementation of the procedures specific to each type of dismissal and other breaches of contract, the implementation of employment laws and regulations within companies, the negotiation between employees and employers pre- and post-litigation, the assistance in social management in the event of changes with the employer ‘(such as mergers & acquisitions) and the defence of clients in the field of criminal employment law.
Marilyne can advise you in the day-to-day management of your human resources as a whole.
Career
- Own Practice – Since 2015
- Lawyer – Cabinet MENANT-SASPORTAS – 2012 – 2015
- CAPA – School of Lawyers of Marseille – 2011
- CRFPA – Institute of Judicial Studies – Nice-Sophia-Antipolis University – 2009
- Master II – Research in Private Law and Criminal Sciences – Nice-Sophia-Antipolis University – 2009
- Master’s degree in Private Law – Nice-Sophia-Antipolis University – 2008
- Bachelor III – Private Law, Public Law and Political Sciences – Nice-Sophia-Antipolis University – 2007
Expertise
- Employment Law & Litigation
- Marine Employment Law
- Criminal Law related to employment issues
Marilyne Deferi
Contact information
- md@eos-associes.com
- +33 6 12 39 57 57
Gilles Colin
Presentation
French lawyer registered with the Annecy Bar since January 2018, Gilles COLIN joined the AARPI EOS ASSOCIÉS in 2022 after several years of practice with international law firms in Paris, specialised in tax advice and tax litigation for companies, business executives and private individuals.
In his litigation practice, Gilles assists companies and individuals during tax audits (requests for information and communication rights, accounting audits, reviews of personal tax situations) and defends taxpayers in the event of pre-litigation and litigation before the tax or customs authorities and the courts (including the criminal courts).
In his consulting practice, Gilles offers companies and business executives tax support tailored to their needs in relation particularly to :
- The transfer of businesses (due diligence/audit, acquisitions, disposals, reorganisations and inheritance);
- International tax issues: transfer of headquarters, tax treatment of flows with branches and subsidiaries, income generated abroad, permanent establishments, etc… Gilles is particularly experienced in legal and tax support for economic projects in Sub-Saharan Africa (West Africa and Central Africa);
- Maritime tax issues: dealing with VAT and customs issues regarding shipping and yachting;
- The taxation of business executives and private individuals: remuneration, real estate investments, successions and transmission;
- Tax rulings and relations with the tax authorities;
Career
- Professional Training School with the Bars of the Court of Appeal of Paris (EFB) – 2015-2016
- Master in Business Law – University of Nice, France – 2014
- Master in Tax Law – University of Nice, France – 2013
Expertise
- Tax audits and litigation
- Business Taxation
- Taxation of transactions
- International taxation
- Restructuring
- Merger & Acquisition / Private Equity / LBO
- Tax & Customs Issues in relation to Yachting & Shipping
Gilles Colin
Jean-François Mion
Presentation
Jean-François Mion holds a PhD in Law from the University of Geneva, Switzerland.
His practice focuses on M&A, corporate law (private equity, governance, shareholders’ agreements) and credit agreements (operating and investment). He handles the preparation, structuring and negotiation of transactions.
Having worked in a notary’s office, Jean-François also has a solid experience in real estate transactions, mortgages agreements, commercial and long-term leases. The transactions he has carried out with private and professional clients based mainly in Monaco, Switzerland and Eastern Europe have enabled him to develop a strong expertise in the international aspects of such transactions.
In terms of research, Jean-François has studied the framework of the International Swaps and Derivatives Association and is interested in credit derivatives under Swiss and European Law from a contractual and regulatory perspective.
Career
- PhD – Banking & Finance Law – University of Geneva, Switzerland – 2022
- Master 2 – Contract Law – University of Toulon, France – 2017
- MMaster 1 – Economic & Business Law – University of Nice-Sophia-Antipolis, France – 2016
- Bachelor – Private & Business Law – University of Nice-Sophia-Antipolis, France – 2015
Expertise
- Corporate Law
- Banking & Finance
- Property Law
- Contractual Techniques & Negotiation
- M&A
- Credit Agreements
- Contract Management
- Real Estate Operations
- Notary Practice
Jean-François Mion
Linda Trifi
Presentation
Linda Trifi holds a Master’s degree in International Business Law and Practice from the University of Nice Sophia Antipolis. She assists our clients with their business law issues, both as counsel and in litigation, corporate law disputes and commercial leases, with particular expertise in civil enforcement proceedings and debt recovery.
She joined EOS Associés in 2025, having built up her experience in a law firm specialising in enforcement proceedings.
Career
- CAPA – École des avocats du Sud-Est – 2017
- Préparation CRFPA – IEJ Nice Sophia Antipolis – 2015
- Master II – Droit et Pratique des Affaires Internationales – Université Nice Sophia Antipolis – 2013
- Master I – Droit Économique et des Affaires – Université Nice Sophia Antipolis – 2012
Expertise
- Enforcement measures
- Debt collection
- Commercial litigation
- Company law
Linda Trifi