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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001179110-10-005442.txt : 20100316
<SEC-HEADER>0001179110-10-005442.hdr.sgml : 20100316
<ACCEPTANCE-DATETIME>20100316174740
ACCESSION NUMBER:		0001179110-10-005442
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100315
FILED AS OF DATE:		20100316
DATE AS OF CHANGE:		20100316

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wenzel Daniel S.C.
		CENTRAL INDEX KEY:			0001480431

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29440
		FILM NUMBER:		10686786

	MAIL ADDRESS:	
		STREET 1:		ZINISTRASSE 11
		CITY:			Z?RICH
		STATE:			V8
		ZIP:			CH-8004

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SCM MICROSYSTEMS INC
		CENTRAL INDEX KEY:			0001036044
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				770444317
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		466 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
		BUSINESS PHONE:		949-250-8888

	MAIL ADDRESS:	
		STREET 1:		1900 CARNEGIE AVENUE
		STREET 2:		BUILDING B
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92705
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001036044</issuerCik>
        <issuerName>SCM MICROSYSTEMS INC</issuerName>
        <issuerTradingSymbol>INVE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001480431</rptOwnerCik>
            <rptOwnerName>Wenzel Daniel S.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1900 CARNEGIE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING B</rptOwnerStreet2>
            <rptOwnerCity>SANTA ANA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92705</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>52000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.9857</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8769490</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 4</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>60999</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.8891</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8708491</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 4</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>69680</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.7170</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8638811</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 4</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>240000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.84</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8398811</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 4</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects distribution of (i) 240,000 shares of common stock of the Issuer by BH Capital Management AG, a company controlled and owned by Ayman S. Ashour and Mountain Partners AG (an affiliate of the Reporting Person) to certain individuals in recognition of their efforts in the business combination transaction between the Issuer and Bluehill ID AG, and (ii) 182,679 shares of common stock of the Issuer by Mountain Partners AG, an affiliate of the Reporting Person, to certain individuals, including Lawrence W. Midland and Joseph Tassone. Prior to such distribution, Mountain Partners AG was custodian over such shares on behalf of Messrs. Midland and Tassone.</footnote>
        <footnote id="F2">Original cost basis of 1 CHF per share, or $0.98570, based on the average exchange rate for the month of March 2008 as reported on Oanda.com</footnote>
        <footnote id="F3">Original cost basis of 1 CHF per share, or $0.88913, based on the average exchange rate for the month of November 2007 as reported on Oanda.com</footnote>
        <footnote id="F4">Shares of common stock held indirectly after distribution include 4,544,099 shares held by Mountain Partners AG, which is an affiliate of Daniel S. Wenzel; 2,003,653 shares held by BH Capital Management AG, a company controlled and owned by Ayman S. Ashour and Mountain Partners AG, which is an affiliate of Mr. Wenzel; 1,076,068 shares held by Mountain Super Angel AG, a fund managed by Mountain Capital Management AG, of which Mountain Partners AG, which is an affiliate of Mr. Wenzel, owns 100%; and 774,991 shares held by Rosenberg Venture AG, of which Mr. Wenzel is a member of the board of directors.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel S.C. Wenzel</signatureName>
        <signatureDate>2010-03-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
