Exhibit 31.2
CHIEF FINANCIAL OFFICER’S
CERTIFICATION UNDER
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Richard Slansky, Chief Financial Officer of the registrant, certify that:
| 1. | I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of GenMark Diagnostics, Inc.; 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. |
/s/ RICHARD SLANSKY |
| Richard Slansky |
| Chief Financial Officer |
April 18, 2013
