Méthodes comparées pour prouver l'antériorité d'un document : enveloppe Soleau, dépôt INPI, horodatage blockchain, hash SHA-256. Quelle solution choisir selon votre cas.
12 articles with this tag
Browse all LegalStamp articles related to Preuve d'anteriorite. Practical guides, tutorials, and analyses to deepen your knowledge of blockchain timestamping and document protection.
ActualitesSince 2 August 2026, Article 50 of the EU AI Act requires machine-readable marking of AI-generated content and disclosure of deepfakes, with fines of up to €15 million or 3% of worldwide turnover. Symmetrically, human creators now have a concrete interest in dating their originals before publishing. What the law says, and the evidentiary habits worth adopting.
Cas d'usageQuotes edited after the fact, disputed deliverables, NDAs signed in a hurry: a small company's contractual life produces documents every week that may need dating one day. Electronic timestamping freezes them in seconds, for cents.
ComparatifsDepositing a document with a notary and timestamping it on a blockchain both answer the same need (dating a document), but with very different strengths, costs, and uses. An honest comparison to choose according to your situation.
Cas d'usageAn NDA proves a confidentiality commitment. A timestamp proves prior existence of content. Here is why both pieces form an operational combo for a startup, and how to orchestrate it concretely before any sensitive exchange.
ComparatifsDigital statement by a French commissaire de justice (former bailiff) or blockchain timestamping? Honest comparison: cost, timing, evidentiary weight, scope. When to choose which.
ActualitesOn 8 April 2026, the French Senate adopted in first reading a bill creating a presumption of use of a protected work by an AI provider whenever a bundle of indicators makes that use plausible. Decoding the text, the reversal of the burden of proof, and what it means for creators who want to gather these indicators in advance.
ActualitesOn 14 April 2026, the Court of Justice of the European Union clarified the scope of the pastiche exception in the Pelham II case. Practical consequences for proving the chronology of your derivative creations.
Cas d'usageSending a manuscript to a publisher, agent or producer without prior-art proof is an avoidable risk. A practical method for authors and screenwriters.
ComparatifsNFTs and blockchain timestamping are often confused. Yet their goals, legal weight and use cases differ deeply. A clear comparison to help creators choose the right tool.
ActualitesA French court has accepted blockchain anchoring as admissible evidence in a copyright dispute. Here is what the ruling means, how EU regulations are catching up, and what creators should do now.
Cas d'usageBefore pitching to a VC, accelerator, or angel investor, timestamp your key deliverables. NDAs, pitch decks, business plans: what actually works.
Cas d'usagePhoto theft, uncredited use, ownership disputes: here's how to build solid proof of authorship before every publication, shoot by shoot.