Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S‑8 (Nos. 333-216620 and 333-212620) of Impinj, Inc. of our report dated March 15, 2018 relating to the financial statements, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP
Seattle, WashingtonMarch 15, 2018