Phathom Pharmaceuticals, Inc.
2150 E. Lake Cook Road, Suite 800
Buffalo Grove, IL 60089
October 22, 2019
VIA EDGAR
Ms. Suzanne Hayes
Office of Healthcare and Insurance
Division of Corporation Finance
U.S. Securities and Exchange Commission
100 F Street N.E.
Washington, D.C. 20549
| Re: | Phathom Pharmaceuticals, Inc. |
Registration Statement on Form S-1
File No. 333-234020
Dear Ms. Hayes
Pursuant to Rule 461 of Regulation C of the General Rules and Regulations under the Securities Act of 1933, as amended, the undersigned, on behalf of Phathom Pharmaceuticals, Inc. (the “Company”), respectfully requests that the effective date of the Registration Statement on Form S-1 referred to above be accelerated so that it will become effective at 4:00 P.M. Eastern Time on October 24, 2019, or as soon as practicable thereafter.
Please contact Matthew T. Bush of Latham & Watkins LLP, counsel to the Company, at (858) 523-3962, to provide notice of effectiveness, or if you have any questions or require additional information regarding this matter. Thank you for your assistance and cooperation in this matter.
| Very truly yours, | ||
| PHATHOM PHARMACEUTICALS, INC. | ||
| By: | /s/ David Socks | |
| David Socks | ||
| President, Chief Executive Officer and Director | ||
| cc: | Ibolya Ignat, Securities and Exchange Commission |
Lisa Vanjoske, Securities and Exchange Commission
Ada Sarmento, Securities and Exchange Commission
Aditya Kohli, Phathom Pharmaceuticals, Inc.
Cheston J. Larson, Latham & Watkins LLP
Matthew T. Bush, Latham & Watkins LLP