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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 r30X9s81WUqXyaBR8jL9JQ==

<SEC-DOCUMENT>0001455859-09-000002.txt : 20090831
<SEC-HEADER>0001455859-09-000002.hdr.sgml : 20090831
<ACCEPTANCE-DATETIME>20090831165656
ACCESSION NUMBER:		0001455859-09-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090828
FILED AS OF DATE:		20090831
DATE AS OF CHANGE:		20090831

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schonau Mark
		CENTRAL INDEX KEY:			0001455859

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17263
		FILM NUMBER:		091046564

	MAIL ADDRESS:	
		STREET 1:		1820 E. RAY ROAD
		CITY:			CHANDLER
		STATE:			AZ
		ZIP:			85225

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHAMPIONS BIOTECHNOLOGY, INC.
		CENTRAL INDEX KEY:			0000771856
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				521401755
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0430

	BUSINESS ADDRESS:	
		STREET 1:		2200 WILSON BLVD
		STREET 2:		SUITE 102-316
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201
		BUSINESS PHONE:		703-526-0400

	MAIL ADDRESS:	
		STREET 1:		2200 WILSON BLVD.
		STREET 2:		SUITE 102-316
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHAMPIONS SPORTS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNATIONAL GROUP INC
		DATE OF NAME CHANGE:	19860319
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000771856</issuerCik>
        <issuerName>CHAMPIONS BIOTECHNOLOGY, INC.</issuerName>
        <issuerTradingSymbol>csbr</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001455859</rptOwnerCik>
            <rptOwnerName>Schonau Mark</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>855 NORTH WOLFE STREET,  SUITE 619</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BALTIMOARE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21205</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-08-28</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2009-08-28</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8526</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8526</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares are granted as Restricted Stock Units</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark R. Schonau</signatureName>
        <signatureDate>2009-08-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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