Attached files

file filename
EX-32.2 - EX-32.2 - Seagen Inc.d481013dex322.htm
EX-32.1 - EX-32.1 - Seagen Inc.d481013dex321.htm
EX-31.2 - EX-31.2 - Seagen Inc.d481013dex312.htm
EX-31.1 - EX-31.1 - Seagen Inc.d481013dex311.htm
EX-21.1 - EX-21.1 - Seagen Inc.d481013dex211.htm
EX-10.56 - EX-10.56 - Seagen Inc.d481013dex1056.htm
EX-10.35 - EX-10.35 - Seagen Inc.d481013dex1035.htm
EX-10.29 - EX-10.29 - Seagen Inc.d481013dex1029.htm
EX-10.18 - EX-10.18 - Seagen Inc.d481013dex1018.htm
EX-10.17 - EX-10.17 - Seagen Inc.d481013dex1017.htm
10-K - FORM 10-K - Seagen Inc.d481013d10k.htm

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. 333-212688, 333-204331, 333-197992, 333-188446, 333-176144, 333-168672, 333-148188, 333-56670) of Seattle Genetics, Inc., and the Registration Statement on Form S-3 (No. 333-206846) of our report dated February 21, 2017 relating to the financial statements and the effectiveness of internal control over financial reporting, which is incorporated in this Annual Report on Form 10-K.

/s/ PricewaterhouseCoopers LLP

Seattle, Washington

February 21, 2017