Attached files

file filename
EX-31.1 - EX-31.1 - CATALYST BIOSCIENCES, INC.d117011dex311.htm
EX-4.4 - EX-4.4 - CATALYST BIOSCIENCES, INC.d117011dex44.htm
EX-32.2 - EX-32.2 - CATALYST BIOSCIENCES, INC.d117011dex322.htm
EX-4.5 - EX-4.5 - CATALYST BIOSCIENCES, INC.d117011dex45.htm
EX-4.3 - EX-4.3 - CATALYST BIOSCIENCES, INC.d117011dex43.htm
EX-21.1 - EX-21.1 - CATALYST BIOSCIENCES, INC.d117011dex211.htm
EX-32.1 - EX-32.1 - CATALYST BIOSCIENCES, INC.d117011dex321.htm
EX-31.2 - EX-31.2 - CATALYST BIOSCIENCES, INC.d117011dex312.htm
10-K - FORM 10-K - CATALYST BIOSCIENCES, INC.d117011d10k.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements of Catalyst Biosciences, Inc. and Subsidiaries on Form S-8 (Nos. 333-133882, 333-189143, 333-133881, 333-160331, 333-185888, 333-206523 and 333-206526) and Form S-3 (No. 333-192552) of our report dated March 9, 2016, on our audits of the consolidated financial statements as of December 31, 2015 and 2014, and for each of the years in the three-year period ended December 31, 2015, which report is included in the Annual Report on Form 10-K to be filed on or about March 9, 2016.

/s/ EisnerAmper LLP

Iselin, New Jersey

March 9, 2016