-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CeEZsxacDFzb0TiI1SWkT4vCKw2xNurSc8hrLjNPw8c5bTseXi5THzAxI8/WLwOA
 0CSviZ2sMR4KaqIHcKOzDA==

<SEC-DOCUMENT>0001104659-09-057643.txt : 20091002
<SEC-HEADER>0001104659-09-057643.hdr.sgml : 20091002
<ACCEPTANCE-DATETIME>20091002172346
ACCESSION NUMBER:		0001104659-09-057643
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090930
FILED AS OF DATE:		20091002
DATE AS OF CHANGE:		20091002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WELTERS ANTHONY
		CENTRAL INDEX KEY:			0001213307

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08036
		FILM NUMBER:		091103521

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WEST PHARMACEUTICAL SERVICES INC
		CENTRAL INDEX KEY:			0000105770
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED RUBBER PRODUCTS, NEC [3060]
		IRS NUMBER:				231210010
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1017

	BUSINESS ADDRESS:	
		STREET 1:		101 GORDON DR
		STREET 2:		P O BOX 645
		CITY:			LIONVILLE
		STATE:			PA
		ZIP:			19341-0645
		BUSINESS PHONE:		6105942900

	MAIL ADDRESS:	
		STREET 1:		101 GORDON DRIVE
		STREET 2:		PO BOX 645
		CITY:			LIONVILLE
		STATE:			PA
		ZIP:			19341-0645

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WEST CO INC
		DATE OF NAME CHANGE:	19990405
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000105770</issuerCik>
        <issuerName>WEST PHARMACEUTICAL SERVICES INC</issuerName>
        <issuerTradingSymbol>WST</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001213307</rptOwnerCik>
            <rptOwnerName>WELTERS ANTHONY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>101 GORDON DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LIONVILLE</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19341</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>377.0100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>377.0100</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22865.3600</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Awards of phantom stock units are to be settled only in cash upon the reporting person's termination as a director.</footnote>
        <footnote id="F2">Reflects additional Phantom Stock Units credited through dividend reinvestment based on most recent plan statement.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>John R. Gailey III As Agent for Anthony Welters</signatureName>
        <signatureDate>2009-10-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----