-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 CGBMkPGlSa4PmiR6uv5shA==

<SEC-DOCUMENT>0001209191-09-043592.txt : 20090909
<SEC-HEADER>0001209191-09-043592.hdr.sgml : 20090909
<ACCEPTANCE-DATETIME>20090909115427
ACCESSION NUMBER:		0001209191-09-043592
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090909
DATE AS OF CHANGE:		20090909
EFFECTIVENESS DATE:		20090909

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGHTING SCIENCE GROUP CORP
		CENTRAL INDEX KEY:			0000866970
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		IRS NUMBER:				232596710
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-86697-0P
		FILM NUMBER:		091059745

	BUSINESS ADDRESS:	
		STREET 1:		1227 SOUTH PATRICK DRIVE
		STREET 2:		BUILDING 2A
		CITY:			SATELLITE BEACH
		STATE:			FL
		ZIP:			32937
		BUSINESS PHONE:		321-779-5520

	MAIL ADDRESS:	
		STREET 1:		1227 SOUTH PATRICK DRIVE
		STREET 2:		BUILDING 2A
		CITY:			SATELLITE BEACH
		STATE:			FL
		ZIP:			32937

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHOENIX GROUP CORP
		DATE OF NAME CHANGE:	20001130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHOENIX HEATHCARE CORP
		DATE OF NAME CHANGE:	19990519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IATROS HEALTH NETWORK INC
		DATE OF NAME CHANGE:	19941221
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <schemaVersion>X0502</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

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        <cik>0000866970</cik>
        <entityName>LIGHTING SCIENCE GROUP CORP</entityName>
        <issuerAddress>
            <street1>1227 South Patrick Drive</street1>
            <street2>Building 2A</street2>
            <city>Satellite Beach</city>
            <stateOrCountry>FL</stateOrCountry>
            <zipCode>32937</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>321-779-5520</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
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        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
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    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Govi</firstName>
                <middleName></middleName>
                <lastName>Rao</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <middleName></middleName>
                <lastName>Bachman</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName></middleName>
                <lastName>Bell</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Donald</firstName>
                <middleName></middleName>
                <lastName>Harkleroad</lastName>
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            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName></middleName>
                <lastName>Kelson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bonnie</firstName>
                <middleName></middleName>
                <lastName>Reiss</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Daryl</firstName>
                <middleName></middleName>
                <lastName>Snadon</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName></middleName>
                <lastName>Weinberg</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Zachary</firstName>
                <middleName></middleName>
                <lastName>Gibler</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Khaled</firstName>
                <middleName></middleName>
                <lastName>Haram</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kathryn</firstName>
                <middleName></middleName>
                <lastName>Reynolds</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Hamilton</firstName>
                <middleName></middleName>
                <lastName>Stephen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Frederic</firstName>
                <middleName></middleName>
                <lastName>Maxik</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1227 South Patrick Drive</street1>
                <street2>Building 2A</street2>
                <city>Satellite Beach</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>32937</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-08-27</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>$32,846,619 note that, for each $1.006 of outstanding principal and interest, is convertible into 1 share of preferred stock and warrant to buy 1 share of common stock at $6 exercise price. Note has automatic and optional conversion features.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</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>Lighting Science Group Corporation</issuerName>
                <signatureName>/s/ Stephen Hamilton</signatureName>
                <nameOfSigner>Stephen Hamilton</nameOfSigner>
                <signatureTitle>Vice President - Finance</signatureTitle>
                <signatureDate>2009-09-08</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----