Marc Mariani

Emmanuel Marsigny is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense. Emmanuel, who practices law in Paris, France, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Emmanuel is held by other top lawyers in the same geographic and legal practice area.

Marie-Caroline Fauchille is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Marie-Caroline, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marie-Caroline is held by other top lawyers in the same geographic and legal practice area.

Xavier Pernot is a partner in charge of the litigation-arbitration-mediation practice. With his experience in assisting our clients in strategic and high-stakes litigation, Xavier leads a multidisciplinary team whose main areas of practice are corporate litigation and equity transactions, commercial and operational litigation, and complex industrial and financial litigation. The team also acts in insolvency proceedings, enforcement proceedings and criminal business law.

Philippe Guibert is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law, European Union Law and Litigation. Philippe, who practices law in Paris, France, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philippe is held by other top lawyers in the same geographic and legal practice area.

Cécile ROUQUETTE-TÉROUANNE worked in Washington, D.C. for the firm of Baker & Miller in 1997. Upon moving back to France, she was called to the Bar in Lyon and spent five years as an assistant in the commercial law firm of Courtillié, Chauviré, Grange & Linares. Cécile ROUQUETTE-TÉROUANNE joined Cornet Vincent Ségurel (first in the Nantes, then in the Paris offices) in 2007. She has been in charge of the property law department in the P...

Lawyer to the Paris Bar since 2006, Olivier Hayat practised in Parisian law firms specialising in IT, media and distribution law. In 2014, Olivier founded his law firm dedicated to digital and intellectual property law. Olivier practises information technology law, both in counselling and litigation, and focus his expertise on IT project negotiations, personal data (GDPR compliance and assistance to CNIL control) and also intellectual property and communication law. He has a diversified clien...

Gaëlle Le Quillec is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and International Arbitration. Gaëlle, who practices law in Paris, France, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gaëlle is held by other top lawyers in the same geographic and legal practice area.

Paul van Deth is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Paul, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul is held by other top lawyers in the same geographic and legal practice area.

Mathilde Croze is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law, Privacy and Data Security Law and Technology Law. Mathilde, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mathilde is held by other top lawyers in the same geographic and legal practice area.

Founding partner of ATURQUOISE Law Firm, Anne-Marie Pecoraro joined UGGC Avocats in 2020. She is an intellectual property, new technologies and entertainment law expert, specializing in advertising, literary and artistic property and trademark law. She is also known for her legal knowledge in designs and unfair competition (at a national and international scale). She has built an expertise in service contracts preparation and negotiation and regularly assists her clients during litigation cas...