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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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 M75XWSysOFKa2sBRAqqFZA==

<SEC-DOCUMENT>9999999995-10-000294.txt : 20100125
<SEC-HEADER>9999999995-10-000294.hdr.sgml : 20100125
<ACCEPTANCE-DATETIME>20100125001515
ACCESSION NUMBER:		9999999995-10-000294
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100122
DATE AS OF CHANGE:		20100125
EFFECTIVENESS DATE:		20100122

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LA JOLLA PHARMACEUTICAL CO
		CENTRAL INDEX KEY:			0000920465
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				330361285
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-163911
		FILM NUMBER:		10543216

	BUSINESS ADDRESS:	
		STREET 1:		4365 EXECUTIVE DRIVE, SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		8584526600

	MAIL ADDRESS:	
		STREET 1:		4365 EXECUTIVE DRIVE, SUITE 300
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
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<TYPE>EFFECT
<SEQUENCE>1
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    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
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            <fileNumber>333-163911</fileNumber>
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