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EXHIBIT 23.2

Consent of Ernst & Young LLP, Independent Registered Public Accounting Firm

        We consent to the reference to our firm under the caption "Experts" in the Post-Effective Amendment No. 6 to the Registration Statement on Form S-3 (No. 333-108701) and related Prospectus of Protein Design Labs, Inc. for the registration of the Company's 2.75% Convertible Subordinated Notes due 2023 and 12,415,450 shares of its common stock and to the incorporation by reference therein of our report dated February 2, 2004 with respect to the consolidated financial statements of Protein Design Labs, Inc., included in Protein Design Labs, Inc.'s Annual Report (Form 10-K) for the year ended December 31, 2003, filed with the Securities and Exchange Commission.

/s/  ERNST & YOUNG LLP

Palo Alto, California
June 25, 2004

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EXHIBIT 23.2

Consent of Ernst & Young LLP, Independent Registered Public Accounting Firm