UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                 --------------

                                    FORM 8-K

                                 CURRENT REPORT

                        PURSUANT TO SECTION 13 OR 15 (d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

        DATE OF REPORT (Date of earliest event reported): April 20, 2005
                                                          --------------

                     InterDigital Communications Corporation
             (Exact name of registrant as specified in its charter)



         Pennsylvania                1-11152                      23-1882087 
(State or other jurisdiction of   (Commission File Number)      (IRS Employer
        incorporation)                                       Identification No.)


781 Third Avenue, King of Prussia, Pennsylvania                   19406-1409
     (Address of Principal Executive Offices)                     (Zip Code)


        Registrant's telephone number, including area code: 610-878-7800


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_| Written communications pursuant to Rule 425 under the Securities Act 
    (17 CFR 230.425) 

|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act
    (17 CFR 240.14a-12) 

|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the 
    Exchange Act (17 CFR 240.14d-2(b)) 

|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the 
    Exchange Act (17 CFR 240.13e-4(c))



Item 8.01.        Other Events.

Attached as an exhibit to this Current Report on Form 8-K is a press release
issued by InterDigital Communications Corporation (the "Company") on April 21,
2005, announcing that the Company has completed its current share repurchase
program. A copy of the press release is incorporated herein and is attached
hereto as Exhibit 99.1.

Item 9.01.        Financial Statements and Exhibits.

    (c)     Exhibits. The following exhibit is filed with this report:

            Exhibit 99.1 - Press release dated April 21, 2005.




                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                        INTERDIGITAL COMMUNICATIONS CORPORATION


                                        By: /s/ R.J. Fagan
                                            ----------------------------
                                             Richard J. Fagan
                                             Chief Financial Officer


Date:    April 21, 2005





                                  EXHIBIT INDEX



Exhibit No.                                        Description
-----------                                        -----------

   99.1                                 Press release dated April 21, 2005