-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IJUa3G0YhT96RiWBTQbvIK0NkbaXAOUgEQ9u0KQ51t/MDlZ6BgBbXVlcxMZNR7Cz
 f3bXAT9rJomhVFfTQAWdTw==

<SEC-DOCUMENT>0001209191-11-002675.txt : 20110110
<SEC-HEADER>0001209191-11-002675.hdr.sgml : 20110110
<ACCEPTANCE-DATETIME>20110110172400
ACCESSION NUMBER:		0001209191-11-002675
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110105
FILED AS OF DATE:		20110110
DATE AS OF CHANGE:		20110110

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Patriot Coal CORP
		CENTRAL INDEX KEY:			0001376812
		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE MINING [1220]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12312 OLIVE BOULEVARD
		STREET 2:		SUITE 400
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63141
		BUSINESS PHONE:		314-275-3600

	MAIL ADDRESS:	
		STREET 1:		12312 OLIVE BOULEVARD
		STREET 2:		SUITE 400
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63141

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eastern Coal Holding Company, Inc.
		DATE OF NAME CHANGE:	20060928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STEPSTONE CAPITAL PARTNERS II ONSHORE L P
		CENTRAL INDEX KEY:			0001375500

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33466
		FILM NUMBER:		11520950

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE, SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-750-0330

	MAIL ADDRESS:	
		STREET 1:		410 PARK AVENUE, SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER NAME:	
		FORMER CONFORMED NAME:	CITIGROUP CAPITAL PARTNERS II ONSHORE L P
		DATE OF NAME CHANGE:	20060914

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			StepStone Capital Partners II Cayman Holdings, L.P.
		CENTRAL INDEX KEY:			0001441380
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33466
		FILM NUMBER:		11520949

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE, SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-750-0330

	MAIL ADDRESS:	
		STREET 1:		410 PARK AVENUE, SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER NAME:	
		FORMER CONFORMED NAME:	Citigroup Capital Partners II Cayman Holdings, L.P.
		DATE OF NAME CHANGE:	20080729

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			2006 Co-Investment Portfolio, L.P.
		CENTRAL INDEX KEY:			0001441382
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33466
		FILM NUMBER:		11520951

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE, SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-750-0330

	MAIL ADDRESS:	
		STREET 1:		410 PARK AVENUE, SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER NAME:	
		FORMER CONFORMED NAME:	Citigroup Capital Partners II 2006 Citigroup Investment, L.P.
		DATE OF NAME CHANGE:	20080729

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			StepStone Group LLC
		CENTRAL INDEX KEY:			0001502287
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33466
		FILM NUMBER:		11520953

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE
		STREET 2:		SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(212) 750-0330

	MAIL ADDRESS:	
		STREET 1:		410 PARK AVENUE
		STREET 2:		SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			StepStone Co-Investment Funds GP, LLC
		CENTRAL INDEX KEY:			0001502288
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33466
		FILM NUMBER:		11520952

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE
		STREET 2:		SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(212) 750-0330

	MAIL ADDRESS:	
		STREET 1:		410 PARK AVENUE
		STREET 2:		SUITE 1710
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c10779_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-05</periodOfReport>

    <issuer>
        <issuerCik>0001376812</issuerCik>
        <issuerName>Patriot Coal CORP</issuerName>
        <issuerTradingSymbol>PCX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001502287</rptOwnerCik>
            <rptOwnerName>StepStone Group LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>505 5TH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>17TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001502288</rptOwnerCik>
            <rptOwnerName>StepStone Co-Investment Funds GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>505 5TH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>17TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001441382</rptOwnerCik>
            <rptOwnerName>2006 Co-Investment Portfolio, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>505 5TH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>17TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001375500</rptOwnerCik>
            <rptOwnerName>STEPSTONE CAPITAL PARTNERS II ONSHORE L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>505 5TH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>17TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001441380</rptOwnerCik>
            <rptOwnerName>StepStone Capital Partners II Cayman Holdings, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>505 5TH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>17TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</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, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>260000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.0435</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>793315</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">StepStone Group LLC is the general partner of StepStone Co-Investment Funds GP, LLC (&quot;StepStone Co-Investment), which is the general partner of each of 2006 Co-Investment Portfolio, L.P. (&quot;StepStone Investment&quot;), StepStone Capital Partners II Onshore, L.P. (&quot;StepStone Onshore&quot;) and StepStone Capital Partners II Cayman Holdings, L.P. (&quot;StepStone Cayman&quot; and, together with StepStone Investment and StepStone Onshore, the &quot;StepStone Funds&quot;)).  On January 5, 2010, StepStone Investment sold 121,351 Common Shares at $21.0435, StepStone Onshore sold 61,541 Common Shares at $21.0435 and StepStone Cayman sold 77,108 Common Shares at $21.0435.</footnote>
    </footnotes>

    <remarks>The reporting persons may be deemed to be members of a group beneficially owning 10% or more of the shares of common stock of the issuer
(&quot;Common Shares&quot;) within the meaning of Section 13(d) of the Securities Exchange Act of 1934. Except as set forth herein,
the reporting persons disclaim beneficial ownership of all securities other than those reported herein, and this report shall not
be deemed an admission that such a group exists or that the reporting persons are the beneficial owner of the securities of such
group for purposes of Section 16 or any other purpose.  Each of the StepStone Funds disclaims beneficial ownership of any Common Shares
held by any other person.  Each of StepStone Group LLC and StepStone Co-Investment disclaim beneficial ownership of any Common Shares
held by the StepStone Funds except to the extent of their pecuniary interest in the StepStone Funds, if any.</remarks>

    <ownerSignature>
        <signatureName>/s/  Jose Fernandez, Jose Fernandez, as attorney-in-fact for each of StepStone Group LLC, StepStone Co-Investment Funds GP, LLC and the StepStone Funds</signatureName>
        <signatureDate>2011-01-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----