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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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<SEC-DOCUMENT>0001235802-04-000108.txt : 20040512
<SEC-HEADER>0001235802-04-000108.hdr.sgml : 20040512
<ACCEPTANCE-DATETIME>20040512153004
ACCESSION NUMBER:		0001235802-04-000108
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040510
FILED AS OF DATE:		20040512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KJAER PETER
		CENTRAL INDEX KEY:			0001249614

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31812
		FILM NUMBER:		04799268

	MAIL ADDRESS:	
		STREET 1:		385 COLUMBUS AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10024

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOSANTE PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001023024
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				582301143
		STATE OF INCORPORATION:			WY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		111 BARCLAY BLVD STE 280
		CITY:			LINCOLNSHIRE
		STATE:			IL
		ZIP:			60069

	MAIL ADDRESS:	
		STREET 1:		111 BARCLAY BLVD STE 280
		CITY:			LINCOLNSHIRE
		STATE:			IL
		ZIP:			60069

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BEN ABRAHAM TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19991027
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001023024</issuerCik>
        <issuerName>BIOSANTE PHARMACEUTICALS INC</issuerName>
        <issuerTradingSymbol>BPA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001249614</rptOwnerCik>
            <rptOwnerName>KJAER PETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>386 COLUMBUS AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10024</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>2004-05-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>152</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11925</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Kjaer acquired these shares as a stock award for director compensation granted under BioSante Pharmaceuticals' Amended and Restated 1998 Stock Plan.</footnote>
        <footnote id="F2">N/A</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Peter Kjaer, by Phillip B. Donenberg, attorney-in-fact</signatureName>
        <signatureDate>2004-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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