Infosys Awarded Two Patents by the United States Patent and Trademark Office

Patents Granted in Holography and Mobile Communications

Bangalore, India - June 3, 2008

Infosys Technologies Limited (NASDAQ:INFY) today announced that it has been granted two patents by the U. S. Patent and Trademark Office. These patents are in the areas of holography and mobile communications.

Commenting on the occasion, Subu Goparaju, Head - SETLabs said, “Innovation is imperative for growth. We are fostering a culture of innovation and investing in research through SETLabs – Infosys’ Research Group. We set up an Intellectual Property (IP) cell in 2004 to leverage the power of IP for our growth and we are pleased to see results.”

The patent titled ’Displaying holographic three dimensional (3-D) images’ describes the realization of 3-D communication using computer-generated holography to send/receive information and the associated optical elements required to make a lightweight handset.

Existing technologies use high-resolution LCD to give the illusion of 3-D while actually displaying a 2-D image. Three-dimensional imaging, which includes a representation of depth information along with amplitude information, is not being used in these cases. This patent addresses the issue of 3-D in mobile communication.

The patent titled ‘Method and system for providing reliable and fast communications with mobile entities’ proposes a mobile Internet Protocol-based solution to support generic mobility over heterogeneous networks.

A number of problems must be overcome to support generic mobility over heterogeneous networks today; this solution leverages a split-TCP type approach, where the TCP connection between the communication entities is split at a suitable gateway.

The solution does not require any extension at the mobile host and provides improved performance even for mobility across heterogeneous networks due to an inherent ability to adapt to changing network characteristics. It supports communication between two mobile hosts or between a fixed host and a mobile host, where the mobile host(s) can roam over heterogeneous networks. The solution also supports a Layer 3 handoff.


About Infosys Technologies Limited

Infosys (NASDAQ: INFY) defines, designs and delivers IT- enabled business solutions that help Global 2000 companies win in a Flat World. These solutions focus on providing strategic differentiation and operational superiority to clients. With Infosys, clients are assured of a transparent business partner, world-class processes, speed of execution and the power to stretch their IT budget by leveraging the Global Delivery Model that Infosys pioneered. Infosys has over 1,00,000 employees in over 50 offices worldwide. Infosys is part of the NASDAQ- 100 Index and The Global Dow. For more information, visit


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Statements in connection with this release may include forward-looking statements within the meaning of US Securities laws intended to qualify for the "safe harbor" under the Private Securities Litigation Reform Act. These forward-looking statements are subject to risks and uncertainties including those described in our SEC filings available at including our Annual Report on Form 20-F for the year ended March 31, 2008, and our other recent filings, and actual results may differ materially from those projected by forward-looking statements. We may make additional written and oral forward-looking statements but do not undertake, and disclaim any obligation, to update them.


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