-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WUJ78dDv5PyI4RGsXq8dSnFqfDpbq9ouiPbOvljzT5qRBV010uUYKuOQCYE6DK2k
 JjIirGWZBKAV2TZcmPqVmQ==

<SEC-DOCUMENT>0001181431-08-024637.txt : 20080410
<SEC-HEADER>0001181431-08-024637.hdr.sgml : 20080410
<ACCEPTANCE-DATETIME>20080410165528
ACCESSION NUMBER:		0001181431-08-024637
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080408
FILED AS OF DATE:		20080410
DATE AS OF CHANGE:		20080410

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOVEST INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000704384
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				411412084
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		377 PLANTATION STREET
		STREET 2:		BIOTECH BUILDING 4
		CITY:			WORCESTER
		STATE:			MA
		ZIP:			01605
		BUSINESS PHONE:		508-793-0007

	MAIL ADDRESS:	
		STREET 1:		377 PLANTATION STREET
		STREET 2:		BIOTECH BUILDING 4
		CITY:			WORCESTER
		STATE:			MA
		ZIP:			01605

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CELLEX BIOSCIENCES INC
		DATE OF NAME CHANGE:	19930528

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENDOTRONICS INC
		DATE OF NAME CHANGE:	19930525

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sitilides John
		CENTRAL INDEX KEY:			0001364878

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11480
		FILM NUMBER:		08750479

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		202-558-5122

	MAIL ADDRESS:	
		STREET 1:		C/O TRILOGY ADVISORS
		STREET 2:		700 12TH STREET NW, SUITE 700
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20005
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd202563.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-04-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000704384</issuerCik>
        <issuerName>BIOVEST INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>BVTI.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001364878</rptOwnerCik>
            <rptOwnerName>Sitilides John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TRILOGY ADVISORS</rptOwnerStreet1>
            <rptOwnerStreet2>700 12TH STREET, NW, SUITE 700</rptOwnerStreet2>
            <rptOwnerCity>WASHINGTON</rptOwnerCity>
            <rptOwnerState>DC</rptOwnerState>
            <rptOwnerZipCode>20005</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Warrant [right to buy]</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.10</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-04-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2008-04-08</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-04-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Common Stock Warrant issued to the reporting person by the issuer in connection with the guaranty by the reporting person of $15,000 worth of obligations pursuant to a Guaranty, among the issuer, the reporting person, Pulaski Bank and Trust Company and certain other individual guarantors.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John Sitilides</signatureName>
        <signatureDate>2008-04-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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