Exhibit 31.1
Certification Pursuant to Section 240.13a-14 or 240.15d-14
of the Securities Exchange Act of 1934
of the Securities Exchange Act of 1934
| I, Gustav A. Christensen, certify that: | ||
| 1. | I have reviewed this Amendment No. 1 to quarterly report on Form 10-Q/A of Dyax Corp.; and | |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. | |
| Date: January 14, 2016 | /s/Gustav A. Christensen | |
| Gustav A. Christensen | ||
| President and Chief Executive Officer | ||