<SEC-DOCUMENT>0001193125-14-267263-index.html : 20140714
<SEC-HEADER>0001193125-14-267263.hdr.sgml : 20140714
<ACCEPTANCE-DATETIME>20140714102301
ACCESSION NUMBER:		0001193125-14-267263
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20140714
DATE AS OF CHANGE:		20140714

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUESTCOR PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000891288
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330476164
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14758
		FILM NUMBER:		14972957

	BUSINESS ADDRESS:	
		STREET 1:		1300 NORTH KELLOGG DRIVE
		STREET 2:		SUITE D
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92807
		BUSINESS PHONE:		714-786-4200

	MAIL ADDRESS:	
		STREET 1:		1300 NORTH KELLOGG DRIVE
		STREET 2:		SUITE D
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92807

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CYPROS PHARMACEUTICAL CORP
		DATE OF NAME CHANGE:	19930328

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mallinckrodt plc
		CENTRAL INDEX KEY:			0001567892
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				981088325
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		DAMASTOWN
		STREET 2:		MULHUDDART
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			15
		BUSINESS PHONE:		353 1 8808180

	MAIL ADDRESS:	
		STREET 1:		DAMASTOWN
		STREET 2:		MULHUDDART
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			15
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>d757922d425.htm
<DESCRIPTION>FORM 425
<TEXT>
Document 1 - file: d757922d425.htm

</DOCUMENT>
</SEC-DOCUMENT>