October 1, 2018
VIA EDGAR
Division of Corporation Finance
U.S. Securities & Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
| Attention: | Ada D. Sarmento |
Mary Beth Breslin
| Re: | Pfenex Inc. |
Registration Statement on FormS-3
Originally filed August 9, 2018, as amended on October 1, 2018
FileNo. 333-226727
Acceleration Request
Requested Date: October 3, 2018
Requested Time: 4:00 P.M. Eastern Time
Ladies and Gentlemen:
Pursuant to Rule 461 under the Securities Act of 1933, as amended, Pfenex Inc. (the “Company”) hereby requests that the above-referenced Registration Statement on FormS-3 (FileNo. 333-226727) (as amended, the “Registration Statement”) be declared effective at the “Requested Date” and “Requested Time” set forth above or at such later time as the Company or its counsel may orally request via telephone call to the staff of the Division of Corporation Finance of the Securities and Exchange Commission. Once the Registration Statement has been declared effective, please orally confirm that event with our counsel, Wilson Sonsini Goodrich & Rosati, Professional Corporation, by calling Daniel R. Koeppen at (858)350-2393.
* * * *
Sincerely, |
PFENEX INC. |
/s/ Susan A. Knudson |
Susan A. Knudson |
Chief Financial Officer |
| cc: | Evert B. Schimmelpennink, Pfenex Inc. |
Daniel R. Koeppen, Wilson Sonsini Goodrich & Rosati, Professional Corporation
