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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 MBClZzh5ouL3A8Chu21bPBAuoIqVPqQpkfSOJZ8yeNlhtQu52BoePHxT9s3NsoiS
 SZeRSVKV1oyErRFB/Qe6Pw==

<SEC-DOCUMENT>0000903651-09-000015.txt : 20090917
<SEC-HEADER>0000903651-09-000015.hdr.sgml : 20090917
<ACCEPTANCE-DATETIME>20090917102124
ACCESSION NUMBER:		0000903651-09-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090915
FILED AS OF DATE:		20090917
DATE AS OF CHANGE:		20090917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SOLOMON TODD
		CENTRAL INDEX KEY:			0001120633

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22196
		FILM NUMBER:		091073636

	MAIL ADDRESS:	
		STREET 1:		C/O INNODATA ISOGEN, INC.
		STREET 2:		THREE UNIVERSITY PLAZA
		CITY:			HACKENSACK
		STATE:			NJ
		ZIP:			07601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INNODATA ISOGEN INC
		CENTRAL INDEX KEY:			0000903651
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				133475943
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1216

	BUSINESS ADDRESS:	
		STREET 1:		THREE  UNIVERSITY PLAZA
		STREET 2:		SUITE 506
		CITY:			HACKENSACK
		STATE:			NJ
		ZIP:			07601
		BUSINESS PHONE:		201 488 1200

	MAIL ADDRESS:	
		STREET 1:		THREE UNIVERSITY PLAZA
		STREET 2:		SUITE 506
		CITY:			HACKENSACK
		STATE:			NJ
		ZIP:			07601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INNODATA CORP
		DATE OF NAME CHANGE:	19930505
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-15</periodOfReport>

    <issuer>
        <issuerCik>0000903651</issuerCik>
        <issuerName>INNODATA ISOGEN INC</issuerName>
        <issuerTradingSymbol>INOD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001120633</rptOwnerCik>
            <rptOwnerName>SOLOMON TODD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INNODATA ISOGEN, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3 UNIVERSITY PLAZA</rptOwnerStreet2>
            <rptOwnerCity>HACKENSACK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>47500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.32</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1839811</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>77864</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.21</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1761947</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $7.22 to $7.40, inclusive.  The reporting person undertakes to provide to Innodata Isogen, Inc. any security holder of Innodata Isogen, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) and (2) to this Form 4.</footnote>
        <footnote id="F2">The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $7.06 to $7.34, inclusive.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Amy R. Agress, Attorney-In-Fact for Todd Solomon</signatureName>
        <signatureDate>2009-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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