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Jeantet

Paris,
THE BEST LAWYERS IN FRANCE™ AWARDS:: 29 BEST LAWYERS: ONES TO WATCH IN FRANCE™ AWARDS:: 5 BEST LAW FIRMS® AWARDS:: 37
33 Attorneys

About Jeantet

Our Attorneys (33)

Olivier Lyon Lynch

Olivier Lyon Lynch

(30)

N/A

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Wyssam Mansour

Wyssam Mansour

(33)

N/A

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Caroline André-Hesse

Caroline André-Hesse

(35)

N/A

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Office Locations

Paris, FR Headquarters

11, rue Galilée, Paris 75116

33 1 45 05 80 08

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Kyiv, UA

4, Volodymyrska Street, Kyiv 01001

380 44 206 09 80

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Casablanca, MA

2 Rue Zaidane, Casablanca 20170

212 5 22 94 09 96

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Leadership Team

Catherine Saint Geniest

Co-Managing Partner

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Karl Hepp de Sevelinges

Co-Managing Partner

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Awards & Recognition

Featured Awards

THE BEST LAWYERS IN FRANCE™ AWARDS: 29

BEST LAWYERS: ONES TO WATCH IN FRANCE™ AWARDS: 5

BEST LAW FIRMS® AWARDS: 37

Key Contacts

Yaëlle Medioni

Head of Marketing, Communications & Business Development

+33 (0)1 45 05 82 41

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Notable Clients

Jeantet advises major national and international groups in the industrial and service sectors, banks and financial institutions, investment funds, SMEs, the government, local authorities and professional organisations.OUR ONGOING STRATEGIC MONITORINGOur Infothèque (resources library) is a cornerstone of our firm’s development and know-how. The tools used enable our lawyers to keep abreast of changes in the business sectors and markets in which our clients operate in order to anticipate any potential issues these may pose. Our librarians create and manage many tools for use by our lawyers and clients in order to pass on knowledge and information in real time. Our databases, information gathering and media monitoring systems, newsletters, and legislative, regulatory and jurisprudential monitoring services are also made available to our clients. The wide range of transactions we carry out and our commitment to transparency towards our clients have prompted us to establish permanent monitoring tools to eliminate any risk of conflict of interest.OUR CONFERENCES, DEBATES AND TRAININGOur lawyers share the latest legal and legislative news in addition to their experiences, by organising training sessions for their clients on topical issues and major French and European regulatory developments.Jeantet advises major national and international groups in the industrial and service sectors, banks and financial institutions, investment funds, SMEs, the government, local authorities and professional organisations.OUR ONGOING STRATEGIC MONITORINGOur Infothèque (resources library) is a cornerstone of our firm’s development and know-how. The tools used enable our lawyers to keep abreast of changes in the business sectors and markets in which our clients operate in order to anticipate any potential issues these may pose. Our librarians create and manage many tools for use by our lawyers and clients in order to pass on knowledge and information in real time. Our databases, information gathering and media monitoring systems, newsletters, and legislative, regulatory and jurisprudential monitoring services are also made available to our clients. The wide range of transactions we carry out and our commitment to transparency towards our clients have prompted us to establish permanent monitoring tools to eliminate any risk of conflict of interest.OUR CONFERENCES, DEBATES AND TRAININGOur lawyers share the latest legal and legislative news in addition to their experiences, by organising training sessions for their clients on topical issues and major French and European regulatory developments.

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Reviews

4.5 / 5

49 Reviews

F

Felicia Wilderman

Feb 02, 2026

Outstanding experience with Jeantet in undefined - truly the best legal team

If you're looking for someone who actually cares and will fight for you, go to Jeantet. They helped me out big time with my Regulatory Practice law issue and kept me informed at every step of the proc...

C

Crystal Thiel

Feb 02, 2026

Would recommend Jeantet for sure to anyone in undefined needing legal help

Just wanted to say a huge thanks to Jeantet and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their constant...

S

Sylvester Adams

Feb 02, 2026

Jeantet did a great job handling my complex Regulatory Practice law case from start to finish

I've worked with a few lawyers in undefined over the years, but Jeantet stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt confid...

R

Rickey O'Connell

Feb 02, 2026

Top notch experts in undefined - Jeantet is by far the best lawyer I've ever had

If you need a Regulatory Practice law lawyer, Jeantet is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details of my case. I felt lik...

W

Wendell Greenfelder

Feb 02, 2026

Jeantet did a great job handling my complex Regulatory Practice law case from start to finish

It's hard finding a reliable lawyer these days, but Jeantet in undefined is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive, and t...