-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QqsxENAtsHeHjVHGRl8vrR9pIJ4TlXw/G2P/nLWpOTKOnP5Ky7eGAg5dIYPNBiQZ
 BfKLqPBIBF9MZw4YT9xqBA==

<SEC-DOCUMENT>0000354913-03-000068.txt : 20030625
<SEC-HEADER>0000354913-03-000068.hdr.sgml : 20030625
<ACCEPTANCE-DATETIME>20030625143416
ACCESSION NUMBER:		0000354913-03-000068
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030623
FILED AS OF DATE:		20030625

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GOLDBERG HOWARD E
		CENTRAL INDEX KEY:			0001193092

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11152
		FILM NUMBER:		03756470

	BUSINESS ADDRESS:	
		STREET 1:		781 THIRD AVENUE
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			194061409

	MAIL ADDRESS:	
		STREET 1:		781 THIRD AVENUE
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			194061409

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERDIGITAL COMMUNICATIONS CORP
		CENTRAL INDEX KEY:			0000354913
		STANDARD INDUSTRIAL CLASSIFICATION:	PATENT OWNERS & LESSORS [6794]
		IRS NUMBER:				231882087
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		781 THIRD AVE
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19406-1409
		BUSINESS PHONE:		6102787800

	MAIL ADDRESS:	
		STREET 1:		781 THIRD AVE
		STREET 2:		2200 RENAISANCE BLVD STE 105
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19406-1409

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNATIONAL MOBILE MACHINES CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-06-23</periodOfReport>
    <issuer>
        <issuerCik>0000354913</issuerCik>
        <issuerName>INTERDIGITAL COMMUNICATIONS CORP</issuerName>
        <issuerTradingSymbol>IDCC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001193092</rptOwnerCik>
            <rptOwnerName>GOLDBERG HOWARD E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President &amp;amp; CEO</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-06-23</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value></transactionShares><transactionValue><value>7.6875</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>80211</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwne
rship></ownershipNature></nonDerivativeSecurity><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-06-23</value></transactionDate><transactionCoding><transactionFormType>5</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>516</value><footnoteId id="F1"/></transactionShares><transactionValue><value>0</value><footnoteId id="F1"/></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>516</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By 401(k) Plan</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>Op
tion (Right-to-Buy)</value></securityTitle><conversionOrExercisePrice><value>7.6875</value></conversionOrExercisePrice><transactionDate><value>2003-06-23</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value></transactionShares><transactionValue><value>0</value><footnoteId id="F3"/></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-06-23</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2006-10-05</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>13600</value></sharesOwnedFollowingTr
ansaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">Between July 1, 2001 and March 31, 2003, the Reporting Person acquired 516 shares of Common Stock pursuant to the InterDigital Communications Corporation Savings and Protection Plan.  This information is based on the most recently published account statement dated March 31, 2003.</footnote><footnote id="F2">A grant of options which vested as follows:  5,000 on 12/31/96, and 25,000 on 06/30/99.</footnote><footnote id="F3">Granted pursuant to the InterDigital Communications Corporation 1995 Stock Option Plan for Employees and Outside Directors.</footnote></footnotes><ownerSignature><signatureName>Rebecca Bridgeford Opher, Attorney-In-Fact For Howard E. Goldberg</signatureName><signatureDate>2003-06-25</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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