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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 K9Vg0XzjLHvG1836hEH4NWOYkHBEAoRWKbZi2fPzBIkhI/3Ly60rW1AFC5/e80u/
 zCvcPro2+Hr1UKRjdr0x5w==

<SEC-DOCUMENT>9999999995-07-001471.txt : 20070426
<SEC-HEADER>9999999995-07-001471.hdr.sgml : 20070426
<ACCEPTANCE-DATETIME>20070426001534
ACCESSION NUMBER:		9999999995-07-001471
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070425
DATE AS OF CHANGE:		20070426
EFFECTIVENESS DATE:		20070425

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OSCIENT PHARMACEUTICALS CORP
		CENTRAL INDEX KEY:			0000356830
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				042297484
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-141309
		FILM NUMBER:		07789094

	BUSINESS ADDRESS:	
		STREET 1:		1000 WINTER STREET
		STREET 2:		SUITE 2200
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		7813982300

	MAIL ADDRESS:	
		STREET 1:		1000 WINTER STREET
		STREET 2:		SUITE 2200
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENOME THERAPEUTICS CORP
		DATE OF NAME CHANGE:	19941215

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLLABORATIVE RESEARCH INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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    <submissionType>EFFECT</submissionType>

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    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-04-25</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>14:00:00</finalEffectivenessDispTime>
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            <entityName>OSCIENT PHARMACEUTICALS CORP</entityName>
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