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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,
 L8OtG9GedXOa/uRrc0QoMgR1XZnninY1JJsaM3b4e6C01PM5DPIro5mNPb8Twvi+
 gxwlADmZc7R6zX2WflzOrg==

<SEC-DOCUMENT>0001324434-05-000007.txt : 20050502
<SEC-HEADER>0001324434-05-000007.hdr.sgml : 20050502
<ACCEPTANCE-DATETIME>20050502183145
ACCESSION NUMBER:		0001324434-05-000007
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050421
FILED AS OF DATE:		20050502
DATE AS OF CHANGE:		20050502

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:			WATERHOUSE LLOYD G
		CENTRAL INDEX KEY:			0001247422

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28030
		FILM NUMBER:		05792355

	BUSINESS ADDRESS:	
		STREET 1:		REYNOLDS & REYNOLDS CO.
		STREET 2:		P.O. BOX 1824
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45401
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-04-21</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001247422</rptOwnerCik>
            <rptOwnerName>WATERHOUSE LLOYD G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11701 LUNA ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75234</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Robin Gunter, Attorney-in-Fact</signatureName>
        <signatureDate>2005-05-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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