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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,
 J9GOqJNezoK+QOs732MMbSS/+lRm2Vp7vMKMNMVH6BjOPtD1iUGTkhuaGpXveD/T
 VqrF7aMQYjyShMFAU1n2bg==

<SEC-DOCUMENT>0000354913-05-000082.txt : 20050622
<SEC-HEADER>0000354913-05-000082.hdr.sgml : 20050622
<ACCEPTANCE-DATETIME>20050622164457
ACCESSION NUMBER:		0000354913-05-000082
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050620
FILED AS OF DATE:		20050622
DATE AS OF CHANGE:		20050622

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bernstin Bruce G
		CENTRAL INDEX KEY:			0001330994

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11152
		FILM NUMBER:		05910547

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		610-878-5688

	MAIL ADDRESS:	
		STREET 1:		781 THIRD AVENUE
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19464

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:		6108787800

	MAIL ADDRESS:	
		STREET 1:		781 THIRD AVE
		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>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-06-20</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000354913</issuerCik>
        <issuerName>INTERDIGITAL COMMUNICATIONS CORP</issuerName>
        <issuerTradingSymbol>IDCC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001330994</rptOwnerCik>
            <rptOwnerName>Bernstin Bruce G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>781 THIRD AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KING OF PRUSSIA,</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19406-1409</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>General Patent Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Bruce G. Bernstein</signatureName>
        <signatureDate>2005-06-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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