Attached files

file filename
EX-10.28 - EXHIBIT 10.28 - BIOGEN INC.biib-20171231xex1028.htm
EX-32.1 - EXHIBIT 32.1 - BIOGEN INC.biib-20171231xex321.htm
EX-31.2 - EXHIBIT 31.2 - BIOGEN INC.biib-20171231xex312.htm
EX-31.1 - EXHIBIT 31.1 - BIOGEN INC.biib-20171231xex311.htm
EX-21 - EXHIBIT 21 - BIOGEN INC.biib-20171231xex21.htm
EX-10.33 - EXHIBIT 10.33 - BIOGEN INC.biib-20171231xex1033.htm
EX-10.32 - EXHIBIT 10.32 - BIOGEN INC.biib-20171231xex1032.htm
EX-10.31 - EXHIBIT 10.31 - BIOGEN INC.biib-20171231xex1031.htm
EX-10.11 - EXHIBIT 10.11 - BIOGEN INC.biib-20171231xex1011.htm
EX-10.10 - EXHIBIT 10.10 - BIOGEN INC.biib-20171231xex1010.htm
10-K - 10-K - BIOGEN INC.biib-20171231x10k.htm


Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-206799) and Registration Statements on Form S-8 (Nos. 333-218799, 333-205254, 333-110432, 333-110433, 333-128339, 333-152456, 333-140817 and 333-170133) of Biogen Inc. of our report dated February 1, 2018 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts
February 1, 2018