Winston & Strawn LLP > Paris, France > Firm Profile
Winston & Strawn LLP Offices

68 RUE DU FAUBOURG SAINT-HONORÉ
75008 PARIS
France
Winston & Strawn LLP > The Legal 500 Rankings
France > Industry focus: Healthcare and life sciences Tier 2
Noted for its strong focus on the healthcare industry, Winston & Strawn LLP‘s ‘innovative and creative’ team is well placed to assist with acquisitions and financing work. Gilles Bigot assists a varied client list consisting of pharma product and medical equipment manufacturers, private health institutions and professional associations. Private equity and M&A specialist Julie Vern Cesano-Gouffrant is a key port of call for investors and healthcare professionals seeking advice on the full range of transactional issues within the healthcare and life sciences sector.Practice head(s):
Gilles Bigot; Julie Vern Cesano-Gouffrant
Other key lawyers:
Rim Khirddine
Testimonials
‘The team continues to be innovative and creative to support its customers and help them achieve their goals.’
‘Great responsiveness and availability. Authoritative firm for litigation.’
‘Competent and very responsive team. Open and forceful team.’
‘Gilles Bigot: Great experience, intelligence and creativity. Excellent contact and competitive spirit. Julie Vern: Excellent contact. Very hard-working and intelligent. Defends the interests of clients tooth and nail.’
Key clients
EverImmune
Imapole
ImaOne
Sevetys
JUUL Labs
Oradianse
Bridgepoint
Point Vision
Proveca
Vivalto Santé
Sarah Santé Group
Abenex Capital SA
Telemos Capital
MedEuropa
Stingray
Capital Croissance
CRF Jeanne d’Arc
MBO+
Core Equity Holdings
New Kinesia
SoMed Santé
Tangramed
Evesio
Medalliance
Mon Chat et Moi
Groupe Accès Vision
M80
Denteka
Caravelle
Trocadero Capital Partners
Work highlights
- Represented Antin Infrastructure Partners in its partnership with Excellence Imagerie Group, one of the largest medical imaging networks in France.
- Represented Vivalto Santé, a major player in hospitalization in Europe, in the acquisition of 100% of Groupe Santé Ovalie.
- Represented the partners of the BCF Life Sciences group in its sale to Sparkfood.
France > Capital markets: equity capital markets Tier 3
Winston & Strawn LLP has built an excellent practice advising issuers, investors and underwriters on small to mid-cap IPOs on Euronext Growth and other equity and equity-linked offerings. Headed by the promising Annie Maudouit-Ridde, the practice is also acknowledged for its strong knowhow of SPAC transactions.Practice head(s):
Annie Maudouit-Ridde
Testimonials
‘Very good skills, great flexibility, and ability to innovate in the solutions provided. Great availability.’
‘Proximity and good customer follow-up.’
‘Efficient and attentive team.’
‘Very dynamic team with partners of a very high quality.’
‘Annie Maudouit-Ridde: very promising partner, excellent technician, particularly on SPACs.’
Key clients
Auplata Mining Group
Aurel BGC
Cantor Fitzgerald Europe
Digital Virgo
Drone Volt
GECI International
Groupe Airwell
Osmosun
Priveterra Acquisition Corp. II
Portzamparc
Roth
TP ICAP
Transition Evergreen
Yorkville Advisors
Work highlights
- Advised Osmosun and the placing agents Portzamparc in connection with Osmosun’s initial public offering on Euronext Growth.
- Advised Smart Good Things Holding in connection with its listing on Euronext Access + Paris.
- Advised French FinTech Digital Virgo on its contemplated business combination with Goal Acquisitions Corp., a U.S. SPAC, and its reverse IPO on the Nasdaq stock exchange.
France > Private equity: LBO Tier 3
Practice head(s):
Grine Lahreche
Other key lawyers:
Audrey Szultz
Testimonials
‘Responsiveness, expertise, commitment and respect for timings and budgets. Team capable of covering the full scope of a transaction. Grine Lahreche and Audrey Szultz are recommended.’
Key clients
123 Investment Managers
21 Invest France
Albarest Partners
Andera Partners
Apax Partners/Crystal Holding
Aqua Asset Management
Ardian
Biofutur
Bpifrance
CAPZA
Eurazeo
IK Partners
Indigo Capital
Initiative & Finance
ISAI
Keensight Capital
LBO France
MBO & Co
Omnes Capital (IdiCo)
Pléiade Investissement
Questel International
Quilvest Capital Partners
S2G Advisors
Telemos Capital
Vivalto Partners
Work highlights
- Advised the shareholders of the Eurofeu Group in the context of IK Partners’ majority stake acquisition.
- Advised Ardian in connection with the acquisition of a majority stake in Alstef Group.
- Advised the management team of Groupe Claire in the context of the acquisition of a majority stake by Crédit Mutuel Equity.
France > Banking and finance: transactional work Tier 4
Practice head(s):
Mounir Letayf
Other key lawyers:
Testimonials
‘Very responsive and efficient team. Always very educational and concise in its explanations.’
‘Dynamic and efficient team. They know the market sector well and support very actively clients.’
‘Fast execution and friendly.’
Key clients
Ardian Private Equity
Eurazeo
Muzinich & Co.
Siparex Ingenierie et Finance
123 Investment Managers
Schelcher Prince Gestion
Compagnie de Phalsbourg
HPC Capital
Capza
O2 Capital
Compagnie de Phalsbourg
Amundi Asset Management
White Peaks Capital
Work highlights
- Assisted lenders with the unitranche financing of the acquisition of Banook by Motion Equity Partners, alongside Turenne Santé and the management team of Banook.
- Advised Eurazeo on the establishment of a PIK bonds issuanceprogram in euros.
- Advised Chabé on the financing of the acquisition of a majority stake in Palazzi Agency S.r.l.
France > Dispute resolution: Commercial litigation Tier 4
Practice head(s):
Mathilde Lefranc-Barthe
Other key lawyers:
Testimonials
‘The team is serious, reliable and responsive. Creativity and rigor.’
‘Great knowledge of alternative dispute resolution mechanisms.’
‘Mathilde Lefranc Barthe assists clients efficiently in solving their cases.’
Key clients
UNION ASSET MANAGEMENT HOLDING (UAMH)
EUROPEAN RECYCLING PLATFORM
SINGKA INTERNATIONAL PTE. LTD.
OPERATEUR DE COMPETENCE DES ENTREPRISES DE PROXIMITE (OPCO EP)
DOUBLE A 1991
IMMOBILIARE SETA
IRIS FINANCE SA
VERT MARINE
INOVIE
DIGITAL CLASSIFIEDS FRANCE SAS
DADA HOLDING
Work highlights
- Advising clients on proceedings pertaining to the fact that Vivendi disseminated false or misleading information between 2000 and 2002,
- Represented iSingka International in litigation and insolvency proceedings led against the company operating the renowned French ready-to-wear brand Camaïeu, as well against the company Financière Immobilière Bordelaise.
- Representing BIO CLINIC laboratories in 50+ proceedings against the Social Security French Administration (CPAM) to challenge the pricing of COVID tests during the period 2021-2022.
France > Employment Tier 4
Practice head(s):
Sophie Dechaumet
Testimonials
‘Sophie Dechaumet’s team is very available and extremely competent. The analyses are relevant and the availability is high.’
‘Responsive, precise and good advice.’
‘Quick feedback. Very good employment lawyers.’
Key clients
AB TASTY
Accueil Immobilier SAS
Act Beauty France
Adoc Talent Management
Amphenol
Association pour le Développement du Service Notarial (ADSN)
Cash Paris Tax Refund Sarl
Comcast Group
Davril Promotion SAS
DOMCO SAS
Fimo France
Fondation Saint Francois
Generix Group
Groupe Accueil
Groupe ALSEI SAS
Groupe OPALE SAS (ALSEI Group)
Groupe Sevetys
High Executives exits
Imalliance SA
Imapole
Information et Diffusion ID Sarl (RTL)
Jaybeam Wireless
Kadant
Mediarithmics
Metropole Television SA (M6)
Outpost 24
Polygon France SAS
Qair Group
Sidaction
Société Centrale Pour Le Commerce Et L’industrie
TVH Consulting SAS
Venedim SAS
Maximis
Work highlights
- Advised Ardian on the social aspects of the project to acquire a majority stake in Groupe Alstef, a provider of automated and robotic solutions for the airport, logistics, and parcel sorting markets.
- Advised Suntory Global Spirits on the Labor & Employment aspect of its US$1.2B sale of the Courvoisier cognac brand and related assets to Campari Group.
- Advised Generix Group and its subsidiaries on all the labor & employment aspects of its external growth operations (acquisitions) and intra-group reorganizations, as well as on all employment issues (collective and individual) related to their day-to-day operations.
France > Mergers and acquisitions Tier 5
Practice head(s):
Jérôme Herbet
Other key lawyers:
Testimonials
‘Outstanding level of commitment and service. Quality of the entire team, 100% partners involvement in deals.’
‘Grine Lahreche: very fine understanding of needs and business sense, great negotiation strategies and knowledge of the private equity sector.’
‘Very high quality team, adaptable, large production capacity.’
‘Jérôme Herbet: always available, rigorous and proactive. Efficient in production and tenacious in negotiations, his presence is reassuring in complex situations.’
‘Jérôme Herbet is a very charismatic lawyer who knows his clients, their history and their business well.’
‘Jérôme Herbet is very human in his approach and very pleasant when working with him. He is also able to demonstrate innovation in his approach.’
Key clients
Amphenol Corporation
Apax Partners/Crystal Holding
Ardian & Mérieux Equity Partners
BCF Life Sciences
Biofutur and Omnes
bioMérieux SA
BYG4lab Group
Chart Industries (NYSE: GTLS)
Colam Entreprendre
Danfoss
Definitive Media Corp.
THREAD
Digital Classifieds France SAS
Everimmune SAS
Eurofeu
Eternity Systems
Exxelia
Generix
Greenstock
Claire Group
Groupe Crystal
Milexia Group
Osmosun
Polygon
Selig Group
SmartTrade Technologies
Technology & Strategy
TVH Consulting
Union Asset Management Holding AG
Work highlights
- Advised Suntory Global Spirits on its sale of the Courvoisier premium French cognac brand and related assets to Campari Group.
- Advised insurance broker Arthur J. Gallagher & Co., on its cross-border acquisition of Clements Worldwide
- Advised COREXALYS on the sale of part of its business to OWLINT.
France > Tax Tier 5
Practice head(s):
Edouard de Rancher; Thomas Pulcini
Testimonials
‘Edouard De Rancher and his team at Winston outperform by far other firms.’
‘Complex and sophisticated matters are handled with mastery by Edouard De Rancher, that’s the reason why we come to him when such matters arise. They are able to rapidly answer an RFP and mobilise the right members of their team with the right set of capabilities.’
‘Very competent team, very technically reliable, always has relevant and concrete recommendations for customers.’
‘Cohesive, competent team that has the flexibility to adapt to customer needs.’
‘Thomas Pulcini: professionalism, rigour, competence, mastery of subjects, availability.’
‘Team is very involved in the files, with very good access to the partners.’
‘Thomas Pulcini has a very good command of transactional taxation, and is very responsive and involved.’
‘The strength of this team is based on the quality of its partner. Close relationships with the clients, responsiveness, completeness of responses. Very high sense of service.’
Key clients
Air France KLM
Roche
Emeis (formerly Orpéa)
Dover Corporation
Paris Saint Germain Football Club
Vivalto Santé
Beam Suntory
Telemos Capital
Aptiv
Mérieux Equity Partners
Ardian
IK Partners
Keensight Capital
Quilvest
Sagard
Capza
Work highlights
- Represented Beam Suntory in its proposed sale of the Courvoisier premium French cognac brand and related assets to Campari Group.
- Represented Eurofeu’s partners (CAPZA and the management team) in the context of IK Partners’ majority stake acquisition.
- Represented Ardian in connection with its exclusive negotiations to acquire a majority stake in Alstef Group.
France > Compliance
Winston & Strawn LLP > Firm Profile
Winston & Strawn LLP is an international law firm with more than 975 attorneys among 15 offices in Brussels; Charlotte; Chicago; Dallas; Houston; London; Los Angeles; Miami; New York; Paris; San Francisco; São Paulo; Silicon Valley; and Washington, DC.
Winston was founded in Chicago in 1853 by Frederick H Winston, who was joined by the firm’s other named partner, Silas H Strawn, in 1894. Winston has built its reputation on the quality and character of its lawyers, past and present, many of whom are recognized leaders in the American legal community. The firm’s history of more than 170 years is a chronicle of individuals and events that have helped shape the firm and create the strong foundation on which it continues to build. Today, Winston is one of the largest law firms in the United States through a series of mergers, office openings and lateral hires in the past two decades.
The firm serves the needs of enterprises of all types and sizes, in both the private and public sectors. The exceptional depth and geographic reach of its resources enable Winston to manage virtually every type of business-related legal issue.
Winston understands that clients look for value beyond just legal experience. With this in mind, the firm works hard to understand the level of involvement its clients require of it. The firm’s lawyers take time to learn about clients’ organizations and their business objectives. Significant emphasis is placed on technology and teamwork in an effort to respond quickly and effectively to clients’ needs.
Winston remains committed to the traditions of client service, professional development and community involvement instilled by its leaders of the past, while embracing the innovations driving the legal profession in the 21st century.
Main areas of practice: The firm’s main areas of practice include: litigation, corporate and finance, mergers and acquisitions and securities, labor and employment, intellectual property, international arbitration, real estate, tax, energy, environmental, employee benefits and executive compensation, financial services, healthcare, maritime and admiralty, antitrust/competition, restructuring, sports, white-collar, securities litigation, private equity, appellate and critical motions, REITs, restructuring, E-discovery and trusts and estates.
Established in 1995, the Paris office of Winston & Strawn is composed of lawyers who are well-versed in European and foreign business law, litigation and arbitration. All of the lawyers in the office are members of the Paris Bar and several have been admitted to Bars in the US and other countries.
Main Contacts
Department | Name | Telephone | |
---|---|---|---|
Paris Managing Partner | Jérôme Herbet | [email protected] | +33 1 53 64 82 04 |
Litigation/ Healthcare Life Science | Gilles Bigot | [email protected] | +33 1 53 64 82 27 |
Healthcare Life Science | Julie Vern Cesano-Gouffrant | [email protected] | +33 1 53 64 81 79 |
Litigation | Mathilde Lefranc-Barthe | [email protected] | +33 1 53 64 82 63 |
International Arbitration | Maria Kostytska | [email protected] | +33 1 53 64 82 44 |
Compliance Regulatory | Sara Susnjar | [email protected] | +33 1 53 64 81 33 |
Private Equity | Grine Lahreche | [email protected] | +33 1 53 64 82 28 |
Labour and Employment | Virgile Puyau | [email protected] | +33 1 53 64 81 93 |
Labour and Employment | Sophie Dechaumet | [email protected] | +33 1 53 64 82 75 |
Tax | Edouard De Rancher | [email protected] | +33 1 53 64 81 34 |
Banking & Finance | Ariane Berthoud | [email protected] | +33 1 53 64 82 77 |
Banking & Finance | Adeline Roboam | [email protected] | +33 1 53 64 81 49 |
Banking & Finance | Mounir Letayf | [email protected] | +33 1 53 64 81 98 |
Corporate/Capital Market | Annie Maudouit-Ridde | [email protected] | +33 1 53 64 82 80 |
Corporate | Sophie Nguyen | [email protected] | +33 1 53 64 82 61 |
Tax | Thomas Pulcini | [email protected] | +33 1 53 64 81 80 |
Corporate | Alexis Terray | [email protected] | +33 1 53 64 81 64 |
Corporate | Edith Boucaya | [email protected] | +33 1 53 64 82 48 |
Lawyer Profiles
Photo | Name | Position | Profile |
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Ariane Berthoud | Partner – Banking & Finance | View Profile |
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Gilles Bigot | Partner – Corporate / Healthcare | View Profile |
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Edith Boucaya | Partner – Private Equity | View Profile |
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Julie Cittadini | Partner – Restructuring and Special Situations | View Profile |
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Sophie Dechaumet | Partner – Labor & Employment | View Profile |
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Jérôme Herbet | Managing Partner – Corporate | View Profile |
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Maria Kostytska | Partner – International Arbitration | View Profile |
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Grine Lahreche | Partner – Private Equity | View Profile |
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Mathilde Lefranc-Barthe | Partner – Complex Commercial Litigation | View Profile |
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Mounir Letayf | Partner – Banking & Finance | View Profile |
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Annie Maudouit-Ridde | Partner – Capital Market | View Profile |
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Sophie Nguyen | Partner – Corporate | View Profile |
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Adeline Roboam | Partner | View Profile |
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Sara Susnjar | Partner – Compliance / Corporate | View Profile |
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Alexis Terray | Partner – Private Equity | View Profile |
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Julie Vern Cesano-Gouffrant | Partner – Corporate / Healthcare | View Profile |
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Edouard de Rancher | Partner – Tax | View Profile |
Staff Figures
Number of lawyers : 975+ at this office : 60+Languages
Arabic Croatian English French German Italian Russian Spanish UkrainianOther
Contact : Marine Nortey - Senior BD Specialist : [email protected]Comparative Guides
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France: Capital Markets
Published: July 2024
Authors: Annie Maudouit-RiddeAdrien DaifukuSelim Douib
This country-specific Q&A provides an overview of Capital Markets laws and regulations applicable in France.
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France: Mergers & Acquisitions
Published: April 2025
Authors: Jérôme HerbetSara Susnjar Annie Maudouit-Ridde
This country-specific Q&A provides an overview of Mergers & Acquisitions laws and regulations applicable in France.