EX-21.1 8 a2196756zex-21_1.htm EXHIBIT 21.1
QuickLinks -- Click here to rapidly navigate through this document


Exhibit 21.1


Dyax Corp.
Subsidiaries of the Company

NAME
  PARENT   STATE OR COUNTRY OF
INCORPORATION

Dyax Holdings B.V. 

 

Dyax Corp.

 

Netherlands

Dyax B.V. 

 

Dyax Holdings B.V.

 

Netherlands

Dyax S.A. 

 

Dyax Corp.

 

Belgium




QuickLinks

Dyax Corp. Subsidiaries of the Company