Patent Granted

A patent for Text and Graphic Watermarking Technology has been granted to the SIP group. This technology can serve to better secure electronic documents that are generally easy to tamper with. With the help of the technology developed by the SIP group, such tampering can be detected and fraud can be prevented. The fact that the patent has been granted is a recognition of the value of the ground-breaking novelty of the research done by the SIP group.


  • Title: A character and vector graphics watermark for structured electronic documents security.
  • US Patent Application No. 10/949,318
  • Submission Date: September 27, 2004