Ombline Ancelin > Simmons & Simmons > Paris, France > Lawyer Profile
Simmons & Simmons Offices

21 rue de la Ville L’Evêque
75008
France
75008
France
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Ombline Ancelin

Work Department
Competition
Position
Ombline Ancelin is the lead Competition partner in the Paris office at Simmons & Simmons. Her practice encompasses the full range of competition law, including merger control, anti-competitive practices, distribution and franchising, and also EU general law and consumer law. She also regularly advises on foreign investment control issues.
She represents clients at both national and international levels, in antitrust investigations and litigation in several sectors with a particular in-depth knowledge in the life sciences, TMT, energy, fast-moving consumer goods sectors.
She works on both advisory and contentious matters, and litigates before the French Competition Authority, the Paris Court of Appeal and Commercial Courts. Moreover, she regularly advises clients on their commercial policies and the organization of their distribution networks across Europe. She assists clients during competition inspections and conducts internal audits as part of her work on competition compliance.
Ombline has been acknowledged among the “40 in their 40s Notable Women Competition Professionals in Europe” in 2019 by the platform for women competition professionals W@Competition. In 2021, she was elected as vice-president of the “Competition Commission” of ICC France.
Career
Ombline Ancelin joined Simmons & Simmons as a partner in June 2013. Prior to joining Simmons & Simmons, Ombline Ancelin had, after qualifying in January 2000 as a lawyer at the Paris Bar, joined the Antitrust, Competition and Economic Regulation practice of another international law firm in February 2001 and became a Counsel of this firm in May 2008.
Languages
French and English
Education
Ombline holds a Master’s Degree in Business and Economic Law (La Sorbonne), and the Cambridge Advanced Certificate in English.
Lawyer Rankings
France > Industry focus: Healthcare and life sciences
(Leading partners)The practice at Simmons & Simmons is known for handling major product liability claims, often appearing before criminal, civil, and administrative courts. Alexandre Regniault leads the team alongside Jacques-Antoine Robert; Regniault is an expert in clinical trial agreements, in addition to product liability and unfair competition claims, while Robert is known for his specialism in class actions concerning pharma products. Ombline Ancelin is well known for her broad knowledge of distribution issues, and investigations by competition authorities. Simonetta Giordano often assists with joint ventures, M&A, and commercial contractual issues, and Abdelaziz Khatab joined the team in May 2024 from August Debouzy.
France > EU, competition and distribution
Simmons & Simmons has a strong focus on advising clients in the pharmaceutical and medical device sectors, and is particularly noted for its excellent distribution law practice, assisting with the negotiation of contracts and structuring of selective distribution networks. It also routinely assists with merger control and FDI clearances. The experienced Ombline Ancelin leads the firm’s cross-border competition group, while Florent Barbu provides capable support.
Lawyer Rankings
- Industry focus: Healthcare and life sciences France
- Leading partners France > Industry focus: Healthcare and life sciences
- EU, competition and distribution France
Top Tier Firm Rankings
Firm Rankings
- Dispute resolution: Stock market litigation
- Intellectual property: Copyright
- Intellectual property: Trade marks and designs
- Data privacy and data protection
- Derivatives and structured finance
- Dispute resolution: Commercial litigation
- Employment
- Industry focus: Energy
- Insurance
- Tax
- Banking and finance: transactional work
- EU, competition and distribution
- Real estate
- Dispute resolution: International arbitration
- Mergers and acquisitions