Patent ID: 8607055

Claim:
A scanned document management system for managing, by a document managing unit, a document image of a document obtained by scanning a paper document and transforming the paper document into electronic data, the document image being managed in association with identification information of the document and document information, the scanned document management system comprising: a part that registers, in an identification information management unit, an attribute of the document that is a management object; a part that acquires the document image and the document information from the document managing unit based on the identification information of the document to be printed when the document managing unit prints the document being managed; a part that acquires the corresponding attribute from the identification information management unit based on the acquired document information; a part, using a hardware processor, that registers, in the identification information management unit, the identification information of the document to be printed and the acquired attribute in association with each other; a part that issues a document authentication certificate including the identification information of the document to be printed; a part that codes the issued document authentication certificate, and prints the document authentication certificate by including the document authentication certificate in the document image to be printed; a part that extracts the coded document authentication certificate from the document image acquired by the scanning, when scanning the document; a part that acquires the corresponding attribute from the identification information management unit based on the identification information included in the extracted document authentication certificate; a part that determines whether authentication is successful based on the acquired attribute, and that allows transfer of the document image acquired by the scanning when the authentication is successful; and a part that transfers the document image acquired by the scanning to the document managing unit, based on the allowance.