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Exhibit 23.1
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the use in this Amendment No. 1 to the Registration
Statement on Form S-1 (File No. 333-37394) of our report dated March 29, 2000
relating to the financial statements of Dyax Corp., which appear in such
Amendment No. 1 to the Registration Statement. We also consent to the
references to us under the headings "Experts" and "Selected Consolidated
Financial Data" in such Amendment No. 1 to the Registration Statement.
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Boston, Massachusetts
July 6, 2000
