-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 NWo8/iVX6Ied7qFwi5eAKyFHWfOYePsRHJ0Gl+u6vuqnX22+wqGMTg2kiIsNIynP
 x3hJ/cS+YWt0+HTLnDhE1Q==

<SEC-DOCUMENT>0001358877-10-000003.txt : 20101220
<SEC-HEADER>0001358877-10-000003.hdr.sgml : 20101220
<ACCEPTANCE-DATETIME>20101220142443
ACCESSION NUMBER:		0001358877-10-000003
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20101220
DATE AS OF CHANGE:		20101220
EFFECTIVENESS DATE:		20101220

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIMERICK BIOPHARMA INC
		CENTRAL INDEX KEY:			0001358877
		IRS NUMBER:				061735053
		STATE OF INCORPORATION:			CA

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-152195
		FILM NUMBER:		101262526

	BUSINESS ADDRESS:	
		STREET 1:		601 GATEWAY BOULEVARD
		STREET 2:		#700
		CITY:			SO. SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		650-742-0110

	MAIL ADDRESS:	
		STREET 1:		601 GATEWAY BOULEVARD
		STREET 2:		#700
		CITY:			SO. SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIMERICK NEUROSCIENES INC
		DATE OF NAME CHANGE:	20060410
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001358877</cik>
        <entityName>LIMERICK BIOPHARMA INC</entityName>
        <issuerAddress>
            <street1>601 GATEWAY BOULEVARD</street1>
            <street2>Suite 1050</street2>
            <city>SO. SAN FRANCISCO</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>94080</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>650-742-0110</issuerPhoneNumber>
        <jurisdictionOfInc>CALIFORNIA</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Efflux Technology, Inc.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>LIMERICK NEUROSCIENES INC</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Wendye</firstName>
                <lastName>Robbins</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ving</firstName>
                <lastName>Lee</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Asha</firstName>
                <lastName>Rajagopal</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kristina</firstName>
                <lastName>Burow</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Steve</firstName>
                <lastName>Dow</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Corey</firstName>
                <lastName>Goodman</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Chad</firstName>
                <lastName>Waite</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Limerick BioPharma, Inc.</street1>
                <street2>601 Gateway Blvd., Suite 1050</street2>
                <city>South San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94080</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pharmaceuticals</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-11-03</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isDebtType>true</isDebtType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>Convertible Promissory Notes and Warrants incl. the shares of Preferred Stock issuable upon conv. of the Notes, the shares of Preferred Stock issuable upon exercise of the Warrants, and the shares of Common Stock issuable upon conv. of the Preferred Stock</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>3585000</totalOfferingAmount>
            <totalAmountSold>3585000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>13</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>LIMERICK BIOPHARMA INC</issuerName>
                <signatureName>\s\ Alan C. Mendelson</signatureName>
                <nameOfSigner>Alan C. Mendelson</nameOfSigner>
                <signatureTitle>Secretary</signatureTitle>
                <signatureDate>2010-12-18</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----