<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.0 Transitional//EN'>

<html><head><title>537778-00015.htm</title>

<meta name='vs_defaultClientScript' content='JavaScript'>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<meta name='vs_targetSchema' content='http://schemas.microsoft.com/intellisense/ie3-2nav3-0'>

<meta name='Originator' content='CommentWorks'></head><body><Table>

<tr><td><b>Comment Number: </b></td><td>537778-00015</td></tr>

<tr><td><b>Received: </b></td><td>10/1/2008 2:30:20 PM</td></tr>

<tr><td><b>Organization: </b></td><td>Momenta Pharmaceuticals</td></tr>

<tr><td><b>Commenter: </b></td><td>Bruce Leicher</td></tr>

<tr><td><b>State: </b></td><td>MA</td></tr>

<tr><td><b>Agency: </b></td><td>Federal Trade Commission</td></tr>

<tr><td><b>Rule: </b></td><td>Emerging Health Care Competition and Consumer Issues</td></tr>

<tr><td><b>Attachments:</b></td><td><a href='537778-00015.pdf'>537778-00015.pdf</a>&nbsp<a href='http://www.adobe.com/products/acrobat/readstep2.html' target = _blank >Download Adobe Reader</a><br></td></tr></Table>

<hr><P><b>Comments:</b></p>Attached please find the Comments of Momenta Pharmaceuticals, Inc. Please use this submission. The first submission inadvertently omitted the exhibits. </body></html>