-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001414367-10-000001.txt : 20100413
<SEC-HEADER>0001414367-10-000001.hdr.sgml : 20100413
<ACCEPTANCE-DATETIME>20100412195538
ACCESSION NUMBER:		0001414367-10-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100413
DATE AS OF CHANGE:		20100412
EFFECTIVENESS DATE:		20100413

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Luca Technologies Inc
		CENTRAL INDEX KEY:			0001414367
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-140458
		FILM NUMBER:		10745907

	BUSINESS ADDRESS:	
		STREET 1:		500 Corporate Circle
		STREET 2:		Suite C
		CITY:			Golden
		STATE:			CO
		ZIP:			80401
		BUSINESS PHONE:		303-534-4344

	MAIL ADDRESS:	
		STREET 1:		500 Corporate Circle
		STREET 2:		Suite C
		CITY:			Golden
		STATE:			CO
		ZIP:			80401
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
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    <schemaVersion>X0704</schemaVersion>

    <submissionType>D</submissionType>

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        <cik>0001414367</cik>
        <entityName>Luca Technologies Inc</entityName>
        <issuerAddress>
            <street1>500 Corporate Circle</street1>
            <street2>Suite C</street2>
            <city>Golden</city>
            <stateOrCountry>CO</stateOrCountry>
            <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
            <zipCode>80401</zipCode>
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        <issuerPhoneNumber>303-534-4344</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
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        <entityType>Corporation</entityType>
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                <firstName>Robert</firstName>
                <lastName>Pfeiffer</lastName>
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                <street1>c/o Luca Technologies Inc.</street1>
                <street2>500 Corporate Circle, Suite C</street2>
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                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
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            <relatedPersonRelationshipList>
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                <relationship>Director</relationship>
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            <relatedPersonName>
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                <zipCode>80401</zipCode>
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                <firstName>Shane</firstName>
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                <firstName>Keaton</firstName>
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        </industryGroup>
        <issuerSize>
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        </businessCombinationTransaction>
        <minimumInvestmentAccepted>130500</minimumInvestmentAccepted>
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        <offeringSalesAmounts>
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                <issuerName>Luca Technologies Inc</issuerName>
                <signatureName>Brian J. Cree</signatureName>
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                <signatureDate>2010-04-12</signatureDate>
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-----END PRIVACY-ENHANCED MESSAGE-----