CORRESP
LOGO   
   200 Sidney Street
  

 

Cambridge, MA 02139

  

 

Tel: 617-945-9626

  

 

www.serestherapeutics.com

March 16, 2020

Via EDGAR Transmission

Division of Corporation Finance

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attn: Tim Buchmiller

 

  Re:

Seres Therapeutics, Inc.

Registration Statement on Form S-3

Filed March 9, 2020

Registration No. 333-237033

Dear Mr. Buchmiller:

In accordance with Rule 461 of Regulation C of the General Rules and Regulations under the Securities Act of 1933, as amended, we hereby request the acceleration of the effective date of the above-referenced Registration Statement so that it will become effective on March 18, 2020 at 4:00 p.m., Eastern Time, or as soon thereafter as practicable, or at such later time as Seres Therapeutics, Inc. (the “Company”) or its counsel may request via telephone call to the staff. Please contact Peter Handrinos of Latham & Watkins LLP, counsel to the Company, at (617) 948-6060, or in his absence, Wesley C. Holmes at (617) 948-6027, to provide notice of effectiveness, or if you have any other questions or concerns regarding this matter.


LOGO   
   200 Sidney Street
  

 

Cambridge, MA 02139

  

 

Tel: 617-945-9626

  

 

www.serestherapeutics.com

 

Sincerely yours,
Seres Therapeutics, Inc.
By:  

/s/ Eric D. Shaff

  Eric D. Shaff
  President and Chief Executive Officer

 

cc:

Peter N. Handrinos, Esq.

Wesley C. Holmes, Esq.