QuickLinks -- Click here to rapidly navigate through this document
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Amendment No. 3 to Registration Statement No. 333-217417 of our report dated April 4, 2017 relating to the financial statements of argenx N.V., appearing in the Prospectus, which is part of this Registration Statement. We also consent to the reference to us under the heading "Experts" in such Prospectus.
/s/ Deloitte Accountants B.V.
Eindhoven, The Netherlands
May 16, 2017
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM