May 8, 2018
VIA EDGAR
Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549
Re: | Infinity Pharmaceuticals, Inc. |
Registration Statement onForm S-3 (FileNo. 333-224545)
Request for Acceleration
Ladies and Gentlemen:
Pursuant to Rule 461 promulgated under the Securities Act of 1933, as amended, Infinity Pharmaceuticals, Inc. (the “Registrant”) hereby requests acceleration of the effective date of its Registration Statement onForm S-3 (FileNo. 333-224545), so that it may become effective at 4:00 p.m. Eastern time on May 10, 2018, or as soon thereafter as practicable or at such later time as the Registrant may orally request via telephone call to the staff.
Very truly yours,
INFINITY PHARMACEUTICALS, INC. | ||
By: | /s/ Lawrence E. Bloch, M.D., J.D. | |
Name: Title: | Lawrence E. Bloch, M.D., J.D. President |