-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JztfPkWGUvX4dlfWb2gInvF1NtzUj1rUAFQMbLcmAZoOtZ0zvbqQJXXvrUwkwaIF
 vYHJDSFThF9gf4Ejiu71Aw==

<SEC-DOCUMENT>0001104659-03-018637.txt : 20030814
<SEC-HEADER>0001104659-03-018637.hdr.sgml : 20030814
<ACCEPTANCE-DATETIME>20030814152157
ACCESSION NUMBER:		0001104659-03-018637
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20030630
FILED AS OF DATE:		20030814

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEROGEN INC
		CENTRAL INDEX KEY:			0001039160
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				330488580
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31913
		FILM NUMBER:		03847032

	BUSINESS ADDRESS:	
		STREET 1:		1310 CORONADO DR
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054
		BUSINESS PHONE:		4085432400

	MAIL ADDRESS:	
		STREET 1:		1310 ORLEANS DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>a03-2665_110q.htm
<DESCRIPTION>10-Q
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>a03-2665_1ex31d1.htm
<DESCRIPTION>EX-31.1
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>a03-2665_1ex31d2.htm
<DESCRIPTION>EX-31.2
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>5
<FILENAME>a03-2665_1ex32d1.htm
<DESCRIPTION>EX-32.1
</DOCUMENT>
</SUBMISSION>