EX-23.1 4 dex231.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (No.333-96781, No. 333-66626, No. 333-85560, No. 333-63276, No. 333-56412) and S-3 (No. 333-85692) of InterDigital Communications Corporation of our report dated March 14, 2002 relating to the financial statements and financial statement schedule, which appears in this Form 10-K. PricewaterhouseCoopers LLP Philadelphia, PA March 31, 2003