InterDigital Signs Acer to Worldwide Patent License Agreement

Agreement Covers 2G, 3G, and 4G Wireless Standards

KING OF PRUSSIA, Pa. -- January 31, 2011 -- 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 Acer, Inc., a multinational corporation headquartered in Taiwan. The products licensed under the agreement are designed to operate in accordance with 2G, 3G and 4G wireless technologies, including LTE, LTE-Advanced, and WiMax standards. "We are pleased to have entered into this patent license agreement with Acer, one of the world's leading consumer electronics companies," said Lawrence F. Shay, President of InterDigital's patent holding subsidiaries. "This license agreement demonstrates InterDigital's continuing strength in developing and licensing multiple generations of air interface technologies, including the emerging 4G wireless technologies."

About InterDigital

InterDigital develops fundamental wireless technologies that are at the core of mobile devices, networks, and services worldwide. As a long-standing contributor to the evolution of the wireless industry, we solve many of the industry's most critical and complex technical challenges years ahead of market deployment. Our advanced solutions support more efficient wireless networks, a richer multimedia experience, and new mobile broadband capabilities. Accordingly, we have established licenses and partnerships with many of the world's leading wireless companies. For more information, visit: www.interdigital.com.