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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>0000943440-10-000688.txt : 20101214
<SEC-HEADER>0000943440-10-000688.hdr.sgml : 20101214
<ACCEPTANCE-DATETIME>20101214115035
ACCESSION NUMBER:		0000943440-10-000688
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101213
FILED AS OF DATE:		20101214
DATE AS OF CHANGE:		20101214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pickett William Clendenin III
		CENTRAL INDEX KEY:			0001424354

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52567
		FILM NUMBER:		101249857

	MAIL ADDRESS:	
		STREET 1:		2601 ANNAND DRIVE
		STREET 2:		STE. 16
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19808

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lightwave Logic, Inc.
		CENTRAL INDEX KEY:			0001325964
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS PLASTIC PRODUCTS [3080]
		IRS NUMBER:				820497368
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		121 CONTINENTAL DRIVE
		STREET 2:		SUITE 110
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713
		BUSINESS PHONE:		(302) 356-2717

	MAIL ADDRESS:	
		STREET 1:		121 CONTINENTAL DRIVE
		STREET 2:		SUITE 110
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	THIRD-ORDER NANOTECHNOLOGIES INC
		DATE OF NAME CHANGE:	20070320

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	THIRD-ORDER NANOTECHNOLOIES INC
		DATE OF NAME CHANGE:	20070222

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PSI TEC HOLDINGS INC
		DATE OF NAME CHANGE:	20050503
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-12-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001325964</issuerCik>
        <issuerName>Lightwave Logic, Inc.</issuerName>
        <issuerTradingSymbol>LWGL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001424354</rptOwnerCik>
            <rptOwnerName>Pickett William Clendenin III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>121 CONTINENTAL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 110</rptOwnerStreet2>
            <rptOwnerCity>NEWARK</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19713</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-12-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-12-12</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>450000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Employee Stock Option granted pursuant to the issuer's 2007 Employee Stock Plan. 25,000 shares vest immediately and 25,000 shares vest at the end of every 12 month period commencing November 4, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/William C. Pickett</signatureName>
        <signatureDate>2010-12-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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