ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,894, issued on July 8, was assigned to SICPA HOLDING SA (Prilly, Switzerland).
"Digital file anti-forgery protection" was invented by Eric Decoux (Vevey, Switzerland), Philippe Gillet (Pully, Switzerland), Philippe Thevoz (Penthalaz, Switzerland) and Elisabeth Wallace (Pully, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to securing of an original digital file against forgery and falsifying of its associated data, and particularly of data relating to its belonging to a specific batch of original digital files, while allowing offline or online checking of the authenticity of a secured digital file and conformity of i...