Washington,
D.C. 20549
FORM
6-K
REPORT
OF
FOREIGN ISSUER
Pursuant
to Rule 13a-16 or 15d-16 of
the
Securities Exchange Act of 1934
For
the month of April 2007
Commission
File Number 000-51122
pSivida
Limited
(Translation
of registrant’s name into English)
Level
12 BGC Centre
28
The Esplanade
Perth
WA 6000
Australia
(Address
of principal executive offices)
(Indicate
by check mark whether the registrant files or will file annual reports under
cover Form 20-F or Form 40-F).
Form
20-F
x Form
40-F o
Indicate
by check mark if the registrant is submitting the Form 6-K in paper as permitted
by Regulation S-T Rule 101(b)(1):
Indicate
by check mark if the registrant is submitting the Form 6-K in paper as permitted
by Regulation S-T Rule 101(b)(7):
Indicate
by check mark whether the registrant by furnishing the information contained
in
this Form is also thereby furnishing the information to the Commission pursuant
to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
Yes
o No
x
If
"Yes"
is marked, indicate below the file number assigned to the registrant in
connection with Rule 12g3-2(b): 82- ___.
The
document attached as Exhibit 99.1 to this Report on Form 6-K is hereby
incorporated by reference herein and into the following registration statements:
(i) the Registrant's Registration Statement on Form F-3, Registration
No. 333-132776; (ii) the Registrant's Registration Statement on
Form F-3, Registration No. 333-132777; (iii) the Registrant's
Registration Statement on Form F-3, Registration No. 333-135428; (iv)
the Registrant's Registration Statement on Form F-3, Registration
No. 333-141083; and (v) the Registrant's Registration Statement on
Form F-3, Registration No. 333-141091.
SIGNATURE
Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant,
pSivida Limited, has duly caused this report to be signed on its behalf by
the
undersigned, thereunto duly authorized.
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Date:
April
17, 2007
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PSIVIDA
LIMITED
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| By: | /s/Michael J. Soja | |
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Michael J. Soja Vice
President, Finance and Chief Financial
Officer
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EXHIBIT
INDEX
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EXHIBIT
99.1:
|
Securities
Purchase Agreement between pSivida Limited and Investors, dated April
4,
2007
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