Exhibit 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 333-105842, 333-49852, 333-49856, 333-97523 and
333-97527) of Dyax Corp. of our report dated March 2, 2004, relating to the
financial statements and financial statement schedule, which appears in this
Form 10-K.


/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts
March 10, 2004