-----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,
 DFStlZYuLRKZa37qiIpOuuuiabjxOQaZ7EZqLVaXaPLQIYdMojk0/V+qvvN10De4
 xQ5Zan1lmFZk6V2MlsEByQ==

<SEC-DOCUMENT>0000897423-06-000138.txt : 20061222
<SEC-HEADER>0000897423-06-000138.hdr.sgml : 20061222
<ACCEPTANCE-DATETIME>20061222165300
ACCESSION NUMBER:		0000897423-06-000138
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061221
FILED AS OF DATE:		20061222
DATE AS OF CHANGE:		20061222

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			I2 TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001009304
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				752294945
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE 12 PLACE
		STREET 2:		11701 LUNA RD
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75234
		BUSINESS PHONE:		4643571000

	MAIL ADDRESS:	
		STREET 1:		ONE 12 PLACE
		STREET 2:		11701 LUNA RD
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75234

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RAYNOR GEOFFREY
		CENTRAL INDEX KEY:			0001199406

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28030
		FILM NUMBER:		061297590

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 2975
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		8173329500

	MAIL ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCEPTER HOLDINGS INC
		CENTRAL INDEX KEY:			0001167376
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28030
		FILM NUMBER:		061297591

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		STE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-9500

	MAIL ADDRESS:	
		STREET 1:		800 BRAZOS
		STREET 2:		STE 1100
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78701

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AMALGAMATED GADGET LP
		CENTRAL INDEX KEY:			0001114634

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28030
		FILM NUMBER:		061297592

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE ST
		STREET 2:		STE 3200
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		.

	MAIL ADDRESS:	
		STREET 1:		800 BRAZOS
		STREET 2:		STE 1100
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78701
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-12-21</periodOfReport>

    <issuer>
        <issuerCik>0001009304</issuerCik>
        <issuerName>I2 TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>ITWO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001114634</rptOwnerCik>
            <rptOwnerName>AMALGAMATED GADGET LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001167376</rptOwnerCik>
            <rptOwnerName>SCEPTER HOLDINGS INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001199406</rptOwnerCik>
            <rptOwnerName>RAYNOR GEOFFREY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Equity Swap (obligation to sell)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>22.4377</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-12-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>1</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-12-21</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-11-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>144600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Equity Swap (obligation to sell)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>22.1345</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-12-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>1</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-12-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-11-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>44700</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On December 21, 2006 and December 22, 2006, respectively, the reporting person entered into equity swap transactions with a securities broker under which, upon exercise, (i) the broker will be obligated to pay to the reporting person $3,244,491.42 and $989,412.15, respectively, representing $22.4377 and $22.1345 per share, respectively, for each share of ITWO common stock that is the subject of the transactions, and (ii) the reporting person will be obligated to pay to the broker the market value of the 144,600 and 44,700 shares of common stock, respectively.  An amount equal to dividends declared and paid on such shares during the term of the transactions will be paid to the broker.</footnote>
        <footnote id="F2">All securities reported herein as being owned by Amalgamated Gadget, LP (&quot;Amalgamated&quot;) were acquired by Amalgamated, for and on behalf of R2 Investments, LDC (&quot;R2&quot;), pursuant to an Investment Management Agreement. Pursuant to such Agreement, Amalgamated has sole voting and dispositive power of such securities and R2 has no beneficial ownership of such securities. This filing shall not be deemed an admission that Amalgamated is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934 (the &quot;Act&quot;). Scepter Holdings, Inc. (&quot;Scepter&quot;) is the general partner of Amalgamated, which is the holder of the securities reported herein. Geoffrey P. Raynor (&quot;Raynor&quot;) is the sole shareholder of Scepter. Pursuant to Rule 16a-1(a)(2)(ii)(B) under the Act, each of Scepter and Raynor is deemed to be the beneficial owner of any securities beneficially owned by Amalgamated only to the extent of the greater 
of his or its respective direct or indirect interest.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Brandon Teague, Director of Trading for Scepter Holdings, Inc., general partner of Amalgamated Gadget, L.P.</signatureName>
        <signatureDate>2006-12-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Brandon Teague, Director of Trading for Scepter Holdings, Inc.</signatureName>
        <signatureDate>2006-12-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Geoffrey P. Raynor</signatureName>
        <signatureDate>2006-12-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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