-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UxAae5THux+KW8LF5abzhU2vxamMcvlDkJ3SZnGZmLEYGV1vEOF1gJfiGUKu9KO5
 W8TNG/6w6nFPzos7sitKaw==

<SEC-DOCUMENT>0001193805-07-002147.txt : 20070817
<SEC-HEADER>0001193805-07-002147.hdr.sgml : 20070817
<ACCEPTANCE-DATETIME>20070817172330
ACCESSION NUMBER:		0001193805-07-002147
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070806
FILED AS OF DATE:		20070817
DATE AS OF CHANGE:		20070817

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEALTHCARE ACQUISITION CORP
		CENTRAL INDEX KEY:			0001326190
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				202726770
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2116 FINANCIAL CENTER
		STREET 2:		666 WALNUT STREET
		CITY:			DES MOINES
		STATE:			IA
		ZIP:			50309
		BUSINESS PHONE:		515-244-5746

	MAIL ADDRESS:	
		STREET 1:		2116 FINANCIAL CENTER
		STREET 2:		666 WALNUT STREET
		CITY:			DES MOINES
		STATE:			IA
		ZIP:			50309

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RICHMAN ERIC I
		CENTRAL INDEX KEY:			0001313876

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32587
		FILM NUMBER:		071065973

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		212-682-3096

	MAIL ADDRESS:	
		STREET 1:		LEV PHARMACEUTICALS INC
		STREET 2:		122 EAST 42ND STREET STE 206
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>e602486_ex.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-08-06</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001326190</issuerCik>
        <issuerName>HEALTHCARE ACQUISITION CORP</issuerName>
        <issuerTradingSymbol>PIP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001313876</rptOwnerCik>
            <rptOwnerName>RICHMAN ERIC I</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PHARMATHENE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>ONE PARK PLACE, SUITE 450</rptOwnerStreet2>
            <rptOwnerCity>ANNAPOLIS</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21401</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP, Business Development</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.28</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-11-15</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-11-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>21535</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.22</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-01-18</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-01-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10195</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.22</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2006-01-01</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-01-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3001</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.22</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-01-04</value>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-01-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2034</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>8% Convertible Notes</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.00</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-08-03</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-08-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>820</value>
                    <footnoteId id="F5"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25% of the shares shall vest each year commencing on the first anniversary after the option grant date of November 15, 2003.</footnote>
        <footnote id="F2">Received in exchange for existing stock options in the Target.  Pursuant to the Agreement and Plan of Merger, dated as of
 January 19, 2007, among the Issuer, PAI Acquisition Corp., a Delaware Corporation and a direct wholly-owned subsidiary of
 the Issuer (&quot;Merger Sub&quot;), and PharmAthene, Inc., a privately held Delaware corporation (&quot;Target&quot;), whereby Merger Sub
 merged with and into Target as a result of which Target became a wholly-owned subsidiary of the Issuer (the &quot;Merger&quot;).</footnote>
        <footnote id="F3">25% of the shares shall vest immediately on the option grant dates of January 18, 2005 and January 1, 2006, respectively.
 Beginning on the first day of the second month following the option grant dates, the shares vest monthly in 1/36th
 increments over the next 36 months.</footnote>
        <footnote id="F4">The option vests as of the first day of each month in 1/36th increments over the 36 months immediately following the option
 grant date of January 4, 2007.</footnote>
        <footnote id="F5">Received in the Merger in exchange for existing convertible notes of the target in the principal amount of $8,200 (plus
 accrued interest).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Eric Richman</signatureName>
        <signatureDate>2007-08-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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