Statement of Changes of Beneficial Ownership

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Expires: February 28, 2011 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* URDAL DAVID	2. Issuer Name and Ticker or Trading Symbol DENDREON CORP [ DNDN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __ X __ Officer (give title below) _____ Other (specify below) SVP, Chief Scientific Officer
(Last) (First) (Middle) 3005 FIRST AVENUE	3. Date of Earliest Transaction (MM/DD/YYYY) 5/4/2009
(Street) SEATTLE, WA 98121 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ 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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	5/4/2009		M		62412	A	$14.0625	725011	D
Common Stock	5/4/2009		S		62412	D	$21.2840	662599	D
Common Stock	5/4/2009		M		89144	A	$4.9500	751743	D
Common Stock	5/4/2009		S		89144	D	$21.2840	662599	D
Common Stock	5/4/2009		M		85920	A	$5.7400	748519	D
Common Stock	5/4/2009		S		85920	D	$21.2840	662599	D
Common Stock	5/4/2009		M		30000	A	$7.5600	692599	D
Common Stock	5/4/2009		S		30000	D	$21.2840	662599	D
Common Stock	5/4/2009		M		12373	A	$4.9000	674972	D
Common Stock	5/4/2009		S		12373	D	$21.2840	662599	D
Common Stock	5/4/2009		M		45618	A	$9.7700	708217	D
Common Stock	5/4/2009		S		45618	D	$21.2840	662599	D

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Qualified Stock Option (right to buy)	$4.9000	5/4/2009		X			12373	⁽¹⁾	12/5/2017	Common Stock	12373	$21.2840	24747	D
Non-Qualified Stock Option (right to buy)	$4.9500	5/4/2009		X			89144	⁽¹⁾	2/27/2012	Common Stock	89144	$21.2840	0	D
Non-Qualified Stock Option (right to buy)	$5.7400	5/4/2009		X			85920	⁽¹⁾	1/1/2013	Common Stock	85920	$21.2840	0	D
Non-Qualified Stock Option (right to buy)	$7.5600	5/4/2009		X			30000	⁽¹⁾	12/10/2013	Common Stock	30000	$21.2840	0	D
Non-Qualified Stock Option (right to buy)	$9.7700	5/4/2009		X			45618	⁽¹⁾	12/8/2014	Common Stock	45618	$21.2840	0	D
Non-Qualified Stock Option (right to buy)	$14.0625	5/4/2009		X			62412	⁽¹⁾	12/14/2010	Common Stock	62412	$21.2840	0	D

Explanation of Responses:
( 1)	These options vest as follows: 25% of the total number of shares on the first anniversary date and, thereafter, at a rate of 1/36 of the total number of shares in equal monthly installments.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
URDAL DAVID 3005 FIRST AVENUE SEATTLE, WA 98121			SVP, Chief Scientific Officer

Signatures
Greg Cox For: David Urdal		5/5/2009
^** 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.
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