US Patent Issued to THALES DIS FRANCE on Dec. 23 for "Secure document authentication" (French, Singaporean, Spanish Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,905, issued on Dec. 23, was assigned to THALES DIS FRANCE SAS (Meudon, France).

"Secure document authentication" was invented by Lan Ma (Singapore), Juan-David Dugand (Aix en Provence, France), Michel Beziat (Paris), Lovro Persen (El Casar, Spain) and Renuka Chittimalla (La Ciotat, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for authenticating a document comprising at least one line of anti-counterfeit patterns spaced from each other, the positions of the anti-counterfeit patterns being random, and a partial anti-counterfeit pattern being provided at an edge line of said document, the method compri...