Patent · US Expired

System and method for monitoring unauthorized dissemination of documents and portable media

US7331725B2 · kind B2 · utility

17Cited by
7References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2003
Grant dateFeb 19, 2008
Priority date
Expiry dateNov 7, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2221/2153
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for enforcing a distribution policy associated with an electronic document comprising the steps of: sending the document to an output device; determining said distribution policy associated with said document; instructing a marking module to embed a marking indicating at least the existence of said distribution policy on an output form of said electronic document produced by said output device, said marking being readable to enforce said associated marking policy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.