OUR IDENTITY

Founded in 2023, the firm is the result of a partnership between lawyers Louis Jay, Marjorie Duquennoy and Arthur Gaulier.

As members of the Paris Bar, they have forged strong professional links, having previously practiced with renowned criminal lawyers.

They have pleaded numerous cases before all the criminal courts in France and its overseas departments, regions and communities.

They have acquired the values of a rigorous, demanding and combative defense.

A RIGOROUS, DEMANDING AND COMBATIVE DEFENSE

The firm draws on this experience to offer a comprehensive range of preventive and criminal defense services to corporate and individual clients.

LAWYERS

OF THE FIRM

Criminal proceedings require technical expertise to best defend the interests of an individual or a company before the criminal courts, whether the need is that of a defendant or the victim of an offence.

Backed by the experience of its lawyers, the firm supports its clients throughout the entire criminal justice process, from the very beginning of the case to the trial phase, as well as for all issues arising after the criminal or correctional trial.

NEWS

Our latest information

18/06/2026
She promised social housing in exchange for cash: former council employee jailed for four years
Arthur Gaulier acted on behalf of a municipality in the Île-de-France region, a civil party to the proceedings opened after acts of corruption came to light. …
02/05/2026
More than twenty years after a landmark trial, a new child sexual abuse case at a school rocks a town in the Nièvre
The firm assists and represents the civil parties in the judicial investigation opened after reports of alleged rapes and sexual assaults of minors. …
17/04/2026
Arthur Gaulier acted in a judicial investigation opened following the armed robbery of several jewellery shops in the Paris region.
Arthur Gaulier acted in a judicial investigation opened following the armed robbery of several jewellery shops in the Paris region….
Contact
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EMERGENCY CASE

We strive to respond to you as quickly as possible.

Louis Jay

+ 33 (0)6 61 89 98 97

Marjorie duquennoy

+ 33 (0)6 88 14 69 18

Arthur Gaulier

+ 33 (0)7 86 87 08 25