Ce qui se passe réellement quand un contrat signé est contesté
Legal

Ce qui se passe réellement quand un contrat signé est contesté

En cas de litige contractuel, le résultat dépend du niveau de signature utilisé. L'art. 11 ZertES et l'art. 25(2) eIDAS inversent la charge de la preuve.

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Swiss Trust Layer· Legal Technology
·July 14, 2026· 7 min de lecture
Ce qui se passe réellement quand un contrat signé est contesté — Swiss Trust Layer

Un fiduciaire envoie un contrat signé à un client. Trois mois plus tard, le client conteste les conditions et refuse de payer. Ce qui se passe ensuite dépend du niveau de signature électronique utilisé.

Le test juridique d'un contrat contesté

Le tribunal examine le niveau de signature, l'intégrité de l'horodatage et la chaîne de custody pour déterminer qui supporte la charge de la preuve.

La charge de la preuve: SEA vs SEQ

Une signature électronique avancée ne comporte pas de présomption légale automatique. En vertu de l'art. 11 ZertES et de l'art. 25(2) eIDAS, une signature électronique qualifiée (SEQ) bénéficie d'une présomption légale. C'est la partie contestante qui doit prouver l'invalidité.

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