InterDigital Signs Cinterion to Worldwide Patent License Agreement

License Agreement Covers 2G, 3G M2M Modules and PC Cards

KING OF PRUSSIA, Pa., Sep 18, 2009 -- InterDigital, Inc. (NASDAQ: IDCC) today announced that its patent holding subsidiaries have entered into a worldwide, non-transferable, non-exclusive, royalty-bearing patent license agreement with Cinterion Wireless Modules GmbH ("Cinterion"). The agreement covers the sale of Machine-to-Machine (M2M) modules and PC Cards compliant with 2G and 3G cellular standards, for the period January 1, 2009 through the end of 2012.

"This agreement further expands the licensing of InterDigital's current 2G and 3G patents into new areas of opportunity such as the fast-growing M2M market," commented Lawrence Shay, President of InterDigital's patent holding subsidiaries. "Cinterion holds a substantial portion of the growing overall M2M module market."

Cinterion, headquartered in Munich, Germany, is the worldwide leading supplier of cellular M2M communication modules that enable machines, equipment and vehicles to communicate over wireless networks, helping enterprises dramatically cut costs and increase productivity and efficiency. The company's products are used for remote maintenance and control; metering; payment systems; industrial PDAs; routers and gateways; security systems; health care; automotive and eToll; tracking and tracing; environmental monitoring and more.

About InterDigital

InterDigital(R) designs, develops and provides advanced wireless technologies and products that drive voice and data communications. InterDigital is a leading contributor to the global wireless standards and holds a strong portfolio of patented technologies which it licenses to manufacturers of 2G, 2.5G, 3G, and 802 products worldwide.

For more information, on InterDigital, please visit: www.interdigital.com.