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                                                                    Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 333-49852, 333-49856, 333-97523 and 333-97527)
of Dyax Corp. of our report dated March 19, 2003, relating to the financial
statements and financial statement schedule, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts
March 27, 2003