<SEC-DOCUMENT>0001193125-15-301545.txt : 20150928
<SEC-HEADER>0001193125-15-301545.hdr.sgml : 20150928
<ACCEPTANCE-DATETIME>20150825152300
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ACCESSION NUMBER:		0001193125-15-301545
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150825

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cerulean Pharma Inc.
		CENTRAL INDEX KEY:			0001401914
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		840 MEMORIAL DRIVE
		STREET 2:		5TH FLOOR
		CITY:			Cambridge
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		617-551-9600

	MAIL ADDRESS:	
		STREET 1:		840 MEMORIAL DRIVE
		STREET 2:		5TH FLOOR
		CITY:			Cambridge
		STATE:			MA
		ZIP:			02139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Tempo Pharmaceuticals Inc
		DATE OF NAME CHANGE:	20070604
</SEC-HEADER>
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<TYPE>CORRESP
<SEQUENCE>1
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C<SMALL>ERULEAN</SMALL> P<SMALL>HARMA</SMALL> I<SMALL>NC</SMALL>. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">840 M<SMALL>EMORIAL</SMALL> D<SMALL>RIVE</SMALL> </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">C<SMALL>AMBRIDGE</SMALL>, MA 02139 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">August&nbsp;25, 2015 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Via EDGAR </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Division of Corporation
Finance </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">100 F Street, N.E. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Washington, D.C. 20549 </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">Re:</TD>
<TD ALIGN="left" VALIGN="top">Cerulean Pharma Inc. </TD></TR></TABLE> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Registration Statement on Form S-3 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">File No.&nbsp;333-206396 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Request
for Acceleration </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ladies and Gentlemen: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B></B>Pursuant to
Rule&nbsp;461 promulgated under the Securities Act of 1933, as amended, Cerulean Pharma Inc. (the &#147;<B>Registrant</B>&#148;) hereby requests acceleration of the effective date of its Registration Statement on Form&nbsp;S-3 (File
No.&nbsp;333-206396) (the &#147;<B>Registration Statement</B>&#148;), so that it may become effective at 4:00&nbsp;p.m. Eastern time on August&nbsp;28, 2015, or as soon thereafter as practicable.<B> </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Registrant hereby acknowledges that: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(a)</TD>
<TD ALIGN="left" VALIGN="top">should the Securities and Exchange Commission (the &#147;<B>Commission</B>&#148;) or the staff, acting pursuant to delegated authority, declare the Registration Statement effective, it does not foreclose the Commission
from taking any action with respect to the Registration Statement; </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(b)</TD>
<TD ALIGN="left" VALIGN="top">the action of the Commission or the staff, acting pursuant to delegated authority, in declaring the Registration Statement effective, does not relieve the Registrant from its full responsibility for the adequacy and
accuracy of the disclosure in the Registration Statement; and </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">(c)</TD>
<TD ALIGN="left" VALIGN="top">the Registrant may not assert staff comments and the declaration of effectiveness of the Registration Statement as a defense in any proceeding initiated by the Commission or any person under the federal securities laws
of the United States. </TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[The remainder of this page is intentionally left blank.] </I></P>

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<TD VALIGN="top" COLSPAN="3">Very truly yours,</TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>Cerulean Pharma Inc.</B></TD></TR>
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<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Alejandra Carvajal</P></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Alejandra Carvajal</TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Vice President and General Counsel</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Request for Acceleration] </I></P>
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