Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” and to the use of our report dated March 30, 2023, with respect to the consolidated financial statements of Beijing Continent Pharmaceuticals Co., Ltd. incorporated by reference in the Registration Statement (Form S-3) and related Prospectus of Catalyst Biosciences, Inc. for the potential resale of up to 1,240,442,745 shares of its common stock.
/s/ Ernst & Young Hua Ming LLP
Beijing, The People’s Republic of China
July 24, 2023
