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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,
 JRnNZNqlF2TOZbQI+BPSD8NDFpJi46nxAVHxm8OUVNuT+UUNCqKmpSK13bdIkgrx
 5PoXULL//8hsM6hQz23PVA==

<SEC-DOCUMENT>0001260415-10-000025.txt : 20100517
<SEC-HEADER>0001260415-10-000025.hdr.sgml : 20100517
<ACCEPTANCE-DATETIME>20100517062030
ACCESSION NUMBER:		0001260415-10-000025
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100510
FILED AS OF DATE:		20100517
DATE AS OF CHANGE:		20100517

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lowell Oster Allen
		CENTRAL INDEX KEY:			0001491956

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27503
		FILM NUMBER:		10835678

	MAIL ADDRESS:	
		STREET 1:		589 FOX HUNT CIRCLE
		CITY:			LONGWOOD
		STATE:			FL
		ZIP:			32750

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DYNASIL CORP OF AMERICA
		CENTRAL INDEX KEY:			0000030831
		STANDARD INDUSTRIAL CLASSIFICATION:	GLASS, GLASSWARE, PRESSED OR BLOWN [3220]
		IRS NUMBER:				221734088
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		385 COOPER RD
		CITY:			WEST BERLIN
		STATE:			NJ
		ZIP:			08091
		BUSINESS PHONE:		8567674600

	MAIL ADDRESS:	
		STREET 1:		385 COOPER RD
		CITY:			WEST BERLIN
		STATE:			NJ
		ZIP:			08091
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-05-10</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000030831</issuerCik>
        <issuerName>DYNASIL CORP OF AMERICA</issuerName>
        <issuerTradingSymbol>DYSL:OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001491956</rptOwnerCik>
            <rptOwnerName>Lowell Oster Allen</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>589 FOX HUNT CIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONGWOOD</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32750</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP of Strategic Marketing</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.58</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2012-05-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-05-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6471</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <ownerSignature>
        <signatureName>Lowell Oster</signatureName>
        <signatureDate>2010-05-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----