Exhibit 23.1
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Consent of Independent Registered Public Accounting Firm
The Board of Directors
Aptose Biosciences Inc.
We consent to the use of:
| · | our audit report dated March 3, 2015, on the financial statements of Aptose Biosciences Inc., which comprise the consolidated statements of financial position as at December 31, 2014 and May 31, 2014, the consolidated statements of loss and comprehensive loss, changes in shareholders’ equity and cash flows for the seven-month period ended December 31, 2014 and for each of the years in the two-year period ended May 31, 2014, and notes, comprising a summary of significant accounting policies and other explanatory information, and |
| · | our audit report dated July 29, 2014, on the financial statements of Aptose Biosciences Inc., which comprise the consolidated financial position as at May 31, 2014 and 2013, the consolidated statements of loss and comprehensive loss, changes in shareholders’ equity and cash flows for each of the years in the three-year period ended May 31, 2014, and notes, comprising a summary of significant accounting policies and other explanatory information, |
each of which is incorporated by reference in this Registration Statement on Form S-8 related to the Aptose Biosciences Inc. Share Option Plan and the Aptose Biosciences Inc. 2015 Stock Incentive Plan.
Chartered Professional Accountants, Licensed Public Accountants
June 23, 2015
Toronto, Canada
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