<SUBMISSION>
<ACCESSION-NUMBER>0001181431-08-008276
<TYPE>3
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20080206
<FILING-DATE>20080207
<DATE-OF-FILING-DATE-CHANGE>20080207
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Collar Mark A
<CIK>0001426353
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>3
<ACT>34
<FILE-NUMBER>000-51470
<FILM-NUMBER>08584440
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>513-755-4561
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>6033 SCHUMACHER PARK DRIVE
<CITY>WEST CHESTER
<STATE>OH
<ZIP>45069
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AtriCure, Inc.
<CIK>0001323885
<ASSIGNED-SIC>3841
<IRS-NUMBER>341940305
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>6033 SCHUMACHER PARK DRIVE
<CITY>WEST CHESTER
<STATE>OH
<ZIP>45069
<PHONE>513-755-4107
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>6033 SCHUMACHER PARK DRIVE
<CITY>WEST CHESTER
<STATE>OH
<ZIP>45069
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd194174.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2008-02-06</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001323885</issuerCik>
        <issuerName>AtriCure, Inc.</issuerName>
        <issuerTradingSymbol>ATRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001426353</rptOwnerCik>
            <rptOwnerName>Collar Mark A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6033 SCHUMACHER PARK DR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WEST CHESTER</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45069</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>No securities beneficially owned</remarks>

    <ownerSignature>
        <signatureName>/s/ Mark A. Collar</signatureName>
        <signatureDate>2008-02-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
