SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Mazzo David J (Last) (First) (Middle) C/O PSIVIDA LIMITED 400 PLEASANT STREET (Street) WATERTOWN MA 02472 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/13/2007	3. Issuer Name and Ticker or Trading Symbol pSivida LTD [ PSDV ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year) 08/27/2007
			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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option to purchase Ordinary Shares	11/16/2006	09/30/2010	Ordinary Shares	200,000(1)	0.799(2)	D

Explanation of Responses:

1. This Amendment is being filed to correct an error in the number of shares underlying the option to purchase ordinary shares reported in the Form 3 that was filed for the Reporting Person on August 27, 2007. This correction is deemed incorporated into any subsequent filings by the Reporting Person.

2. The exercise price was converted from A$0.92 using the noon-day rate of exchange of the New York Stock Exchange on July 13, 2007. The actual exercise price will be the Australian dollar amount regardless of the exchange rate on the date of grant of exercise.

	/s/ Lori Freedman, Attorney-in-Fact	09/06/2007
	** 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 5 (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).
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