SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* MONTREUX EQUITY PARTNERS II SBIC LP (Last) (First) (Middle) 2500 SAND HILL ROAD, SUITE 215 (Street) MENLO PARK CA 94025 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol QUESTCOR PHARMACEUTICALS INC [ QSC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) See General Remarks
	3. Date of Earliest Transaction (Month/Day/Year) 05/17/2004
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series B Convertible Preferred Stock(1)	$0.9412	05/17/2004(1)		J		2,124,947(1)(1)		(2)	01/01/2006(3)	Common Stock	2,124,947(1)	(1)	2,124,947	D(4)
Warrants(1)	$0.9412	05/17/2004(1)		J		679,982(1)(1)		(2)	01/15/2007	Common Stock	679,982(1)	(1)	679,982	D(4)

1. Name and Address of Reporting Person* MONTREUX EQUITY PARTNERS II SBIC LP (Last) (First) (Middle) 2500 SAND HILL ROAD, SUITE 215 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

1. Name and Address of Reporting Person* MONTREUX EQUITY MANAGEMENT II SBIC LLC (Last) (First) (Middle) 2500 SAND HILL ROAD, SUITE 215 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

1. Name and Address of Reporting Person* TURNER DANIEL K III (Last) (First) (Middle) 2500 SAND HILL ROAD, SUITE 215 (Street) MENLO PARK CA 94025 (City) (State) (Zip)

Explanation of Responses:

1. The reporting persons may previously have been deemed to be members of a Section 13(d) group that beneficially owned more than 10% of the Issuer's outstanding common stock. The filing of this Form 4 serves to note the reporting persons' termination of such status as of May 17, 2004. The reported holdings herein reflect the reporting persons' beneficial ownership as of the date of such termination of status.

2. Immediately.

3. The shares are redeemable by the Issuer commencing January 1, 2006. In addition, upon the occurrence of certain events, each holder of the shares has the right to require the issuer to redeem its shares.

4. The reported securities are owned directly by Montreux Equity Partners II SBIC, L.P., and may be deemed to be beneficially owned indirectly by (i) Montreux Equity Management II SBIC, LLC, as general partner of Montreux Equity Partners II SBIC, L.P. and (ii) Daniel K. Turner, III, as a managing member of Montreux Equity Management II SBIC, LLC. Montreux Equity Management II SBIC, LLC and Mr. Turner disclaim any beneficial ownership of the reported securities except to the extent of any pecuniary interest they may have therein.

Remarks:

The reporting persons may previously have been deemed to be members of a Section 13(d) group that beneficially owned more than 10% of the Issuer's outstanding common stock. The filing of this Form 4 serves to note the reporting persons' termination of such status as of May 17, 2004.

	/s/ Daniel K. Turner, III For Montreux Equity Management II SBIC, LLC, as general partner of Montreux Equity Partners II SBIC, L.P.	05/19/2004
	/s/ Daniel K. Turner, III For Montreux Equity Management II SBIC, LLC	05/19/2004
	/s/ Daniel K. Turner, III	05/19/2004
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.