Exhibit 10.2

 

July 2, 2004

 

Dr. Robert S. Langer, Jr.

98 Montvale Road

Newton, Massachusetts 02459

 

Dear Dr. Langer:

 

Reference is made to the Consulting Agreement dated July 23, 2001 between
Momenta Pharmaceuticals, Inc. (formerly Mimeon, Inc.) and you, as extended by
letter agreement dated June 23, 2003 (the “Agreement”).  Capitalized terms used
herein and not otherwise defined shall have the meanings given such terms in the
Agreement.

 

Pursuant to Section 1 of the Agreement, Company and Consultant hereby agree to
extend the term of the Agreement for one additional year, from July 23, 2004
through July 22, 2005, upon the same terms and conditions, including, without
limitation, those governing compensation, as are set forth in the Agreement.

 

If the foregoing is in conformity with your understanding, please sign both
copies of this letter agreement and return one fully-executed copy to me.

 

Very truly yours,

 

/s/ Susan K. Whoriskey

 

Susan K. Whoriskey

Vice President, Licensing and Business Development

 

 

Agreed and accepted:

 

 

/s/ Robert S. Langer

 

Dr. Robert S. Langer

 

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