Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated September 24, 2009, relating to the financial statements of pSivida Corp. (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the adoption of FASB Interpretation No. 48,Accounting for Uncertainty in Income Taxes – an interpretation of FASB Statement No. 109, effective July 1, 2007) appearing in the Annual Report on Form 10-K of pSivida Corp. for the year ended June 30, 2009 and incorporated by reference in Registration Statement No. 333-152146.
/s/ Deloitte & Touche LLP
Boston, Massachusetts
November 19, 2009