-----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,
 TcTwyQB6mcF/6ylUras0+5x7TcC4dfp+tcgIA8KxvRfTjkEjKHwUxk87ThpmopCd
 OcqIDjdGgCsMvcHygabzrQ==

<SEC-DOCUMENT>0001237899-04-000039.txt : 20040715
<SEC-HEADER>0001237899-04-000039.hdr.sgml : 20040715
<ACCEPTANCE-DATETIME>20040715132446
ACCESSION NUMBER:		0001237899-04-000039
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040714
FILED AS OF DATE:		20040715

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RUPP RANDALL
		CENTRAL INDEX KEY:			0001226688

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19034
		FILM NUMBER:		04915394

	BUSINESS ADDRESS:	
		STREET 1:		REGENERON PHARMACEUTICALS INC
		STREET 2:		777 OLD SAW MILL RIVER
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			REGENERON PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000872589
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133444607
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER RD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591-6707
		BUSINESS PHONE:		9143477000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
</DOCUMENT>
</SUBMISSION>