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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GQic2eLGtE5XV5ug7RtBiFzFAHfue6+sHa+cd/0JQrklWKgMLfa9+viHglLqbyFL
 NvIYvBRnnaC+4uIV/wtAzg==

<SEC-DOCUMENT>0000903651-10-000015.txt : 20100817
<SEC-HEADER>0000903651-10-000015.hdr.sgml : 20100817
<ACCEPTANCE-DATETIME>20100817163243
ACCESSION NUMBER:		0000903651-10-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100813
FILED AS OF DATE:		20100817
DATE AS OF CHANGE:		20100817

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MISHRA ASHOK
		CENTRAL INDEX KEY:			0001161075

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22196
		FILM NUMBER:		101023466

	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:			1231

	BUSINESS ADDRESS:	
		STREET 1:		THREE UNIVERSITY PLAZA
		STREET 2:		SUITE 506
		CITY:			HACKENSACK
		STATE:			NJ
		ZIP:			07601
		BUSINESS PHONE:		201 371 8000

	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>2010-08-13</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001161075</rptOwnerCik>
            <rptOwnerName>MISHRA ASHOK</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>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.73</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25045</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 purchased in multiple transactions at prices ranging from $2.72 to $2.74, 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 purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Amy R. Agress, Attorney-In-Fact for Ashok Mishra</signatureName>
        <signatureDate>2010-08-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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