-----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,
 SeKOQ7hD5cba5myaJfw0uX42LujIYQj52ZDpa7XnV/to4o4lSocEjN6tAF73iZHk
 Dag6EOFl5dn549h0zGiQhg==

<SEC-DOCUMENT>0001181431-09-059376.txt : 20091231
<SEC-HEADER>0001181431-09-059376.hdr.sgml : 20091231
<ACCEPTANCE-DATETIME>20091231161245
ACCESSION NUMBER:		0001181431-09-059376
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091231
FILED AS OF DATE:		20091231
DATE AS OF CHANGE:		20091231

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PECKSKAMP DANIEL H.
		CENTRAL INDEX KEY:			0001435779

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20572
		FILM NUMBER:		091268698

	MAIL ADDRESS:	
		STREET 1:		1031 MENDOTA HEIGHTS ROAD
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55120

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATTERSON COMPANIES, INC.
		CENTRAL INDEX KEY:			0000891024
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MEDICAL, DENTAL & HOSPITAL EQUIPMENT & SUPPLIES [5047]
		IRS NUMBER:				410886515
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0429

	BUSINESS ADDRESS:	
		STREET 1:		1031 MENDOTA HEIGHTS RD
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55120-1401
		BUSINESS PHONE:		6516861600

	MAIL ADDRESS:	
		STREET 1:		1031 MENDOTA HEIGHTS RD
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55120-1401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PATTERSON DENTAL CO
		DATE OF NAME CHANGE:	19950111
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd261321.xml
<DESCRIPTION>FM4DHP_12-31-2009
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000891024</issuerCik>
        <issuerName>PATTERSON COMPANIES, INC.</issuerName>
        <issuerTradingSymbol>PDCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001435779</rptOwnerCik>
            <rptOwnerName>PECKSKAMP DANIEL H.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1031 MENDOTA HEIGHTS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAINT PAUL</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55120</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>720</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10954</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Patterson Companies, Inc. Capital Accumulation Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Matthew L. Levitt, by Power of Attorney</signatureName>
        <signatureDate>2009-12-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----