A Soleau envelope (French: enveloppe Soleau; named after its French originator, Eugène Soleau), is a sealed envelope which serves as legally recognized proof—of priority of invention and validity of certain intellectual property claims—in France. It is exclusively used to precisely ascertain the date of an invention, idea, or creation of a work.
A Soleau envelope (French: enveloppe Soleau; named after its French originator, Eugène Soleau), is a sealed envelope which serves as legally recognized proof—of priority of invention and validity of certain intellectual property claims—in France. It is exclusively used to precisely ascertain the date of an invention, idea, or creation of a work.
Source: Wikipedia "Soleau envelope" · CC BY-SA 4.0
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