<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001105533</cik>
        <entityName>ARGOS THERAPEUTICS INC</entityName>
        <issuerAddress>
            <street1>4233 TECHNOLOGY DR</street1>
            <city>DURHAM</city>
            <stateOrCountry>NC</stateOrCountry>
            <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
            <zipCode>27704</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>9192876300</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>MERIX BIOSCIENCE INC</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jeffrey</firstName>
                <middleName>D.</middleName>
                <lastName>Abbey</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4233 Technology Drive</street1>
                <city>Durham</city>
                <stateOrCountry>NC</stateOrCountry>
                <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                <zipCode>27704</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Hubert</firstName>
                <lastName>Birner</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>101 Arch Street</street1>
                <street2>Suite 1950</street2>
                <city>Boston</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>02110</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>B.</firstName>
                <middleName>Jefferson</middleName>
                <lastName>Clark</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>790 S.E. Cary Parkway</street1>
                <street2>Suite 204</street2>
                <city>Cary</city>
                <stateOrCountry>NC</stateOrCountry>
                <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                <zipCode>27511</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sander</firstName>
                <lastName>van Deventer</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>(1411 DC) Naarden at Gooimeer 2-35</street1>
                <city>Naarden</city>
                <stateOrCountry>P7</stateOrCountry>
                <stateOrCountryDescription>NETHERLANDS</stateOrCountryDescription>
                <zipCode>1410 AD</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michel</firstName>
                <lastName>Greco</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Corporate Drive</street1>
                <city>Bridgewater</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>08807</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ines</firstName>
                <lastName>Holzbaur</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1001 De Masionneuve Blvd., West</street1>
                <street2>Suite 920</street2>
                <city>Montreal</city>
                <stateOrCountry>A8</stateOrCountry>
                <stateOrCountryDescription>QUEBEC, CANADA</stateOrCountryDescription>
                <zipCode>H3A 3C8</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Philip</firstName>
                <middleName>R.</middleName>
                <lastName>Tracy</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>406 Blackwell Street</street1>
                <street2>Suite 200</street2>
                <city>Durham</city>
                <stateOrCountry>NC</stateOrCountry>
                <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                <zipCode>27701</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Brian</firstName>
                <lastName>Underdown</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>141 Adelaide Street West</street1>
                <street2>Suite 770</street2>
                <city>Toronto</city>
                <stateOrCountry>A6</stateOrCountry>
                <stateOrCountryDescription>ONTARIO, CANADA</stateOrCountryDescription>
                <zipCode>M5H 3L5</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Frederick</firstName>
                <middleName>M.</middleName>
                <lastName>Miesowicz</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4233 Technology Drive</street1>
                <city>Durham</city>
                <stateOrCountry>NC</stateOrCountry>
                <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                <zipCode>27704</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Charles</firstName>
                <middleName>A.</middleName>
                <lastName>Nicolette</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4233 Technology Drive</street1>
                <city>Durham</city>
                <stateOrCountry>NC</stateOrCountry>
                <stateOrCountryDescription>NORTH CAROLINA</stateOrCountryDescription>
                <zipCode>27704</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Biotechnology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-09-09</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>6000000</totalOfferingAmount>
            <totalAmountSold>4852074</totalAmountSold>
            <totalRemaining>1147926</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>27</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>750000</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>ARGOS THERAPEUTICS INC</issuerName>
                <signatureName>Jeffrey D. Abbey</signatureName>
                <nameOfSigner>Jeffrey D. Abbey</nameOfSigner>
                <signatureTitle>President, Chief Executive Officer</signatureTitle>
                <signatureDate>2010-09-20</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
