<SEC-DOCUMENT>0000904454-17-000692.txt : 20171122
<SEC-HEADER>0000904454-17-000692.hdr.sgml : 20171122
<ACCEPTANCE-DATETIME>20171122114405
ACCESSION NUMBER:		0000904454-17-000692
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171120
FILED AS OF DATE:		20171122
DATE AS OF CHANGE:		20171122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Johnson & Johnson Innovation - JJDC, Inc.
		CENTRAL INDEX KEY:			0000924020
		STATE OF INCORPORATION:			NJ

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33095
		FILM NUMBER:		171218972

	BUSINESS ADDRESS:	
		STREET 1:		410 GEORGE STREET
		CITY:			NEW BRUNSWICK
		STATE:			NJ
		ZIP:			08901
		BUSINESS PHONE:		(732) 524-3218

	MAIL ADDRESS:	
		STREET 1:		410 GEORGE STREET
		CITY:			NEW BRUNSWICK
		STATE:			NJ
		ZIP:			08901

	FORMER NAME:	
		FORMER CONFORMED NAME:	JOHNSON & JOHNSON DEVELOPMENT CORP ET AL
		DATE OF NAME CHANGE:	19940526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOHNSON & JOHNSON
		CENTRAL INDEX KEY:			0000200406
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			0101

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33095
		FILM NUMBER:		171218973

	BUSINESS ADDRESS:	
		STREET 1:		ONE JOHNSON & JOHNSON PLZ
		CITY:			NEW BRUNSWICK
		STATE:			NJ
		ZIP:			08933
		BUSINESS PHONE:		732-524-2455

	MAIL ADDRESS:	
		STREET 1:		ONE JOHNSON & JOHNSON PLZ
		CITY:			NEW BRUNSWICK
		STATE:			NJ
		ZIP:			08933

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACHILLION PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001070336
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		300 GEORGE STREET
		CITY:			NEW HAVEN
		STATE:			CT
		ZIP:			06511
		BUSINESS PHONE:		203-624-7000

	MAIL ADDRESS:	
		STREET 1:		300 GEORGE STREET
		CITY:			NEW HAVEN
		STATE:			CT
		ZIP:			06511
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-20</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001070336</issuerCik>
        <issuerName>ACHILLION PHARMACEUTICALS INC</issuerName>
        <issuerTradingSymbol>ACHN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000200406</rptOwnerCik>
            <rptOwnerName>JOHNSON &amp; JOHNSON</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE JOHNSON &amp; JOHNSON PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW BRUNSWICK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08933</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000924020</rptOwnerCik>
            <rptOwnerName>Johnson &amp; Johnson Innovation - JJDC, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>410 GEORGE STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW BRUNSWICK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08901</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18367346</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Johnson &amp; Johnson Innovation - JJDC, Inc.</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities reported as being indirectly beneficially owned by the designated Reporting Person are directly beneficially owned by Johnson &amp; Johnson Innovation - JJDC, Inc., a wholly-owned subsidiary of the designated Reporting Person.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Thomas Spellman III, Secretary of Johnson &amp; Johnson</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>James J. Bergin, Secretary of Johnson &amp; Johnson Innovation - JJDC, Inc.</signatureName>
        <signatureDate>2017-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
