Exhibit 10.12
November 16, 2004
BY OVERNIGHT COURIER
Xxxxxxx Xxxxxxxx, Licensing Manager
Xxxxxx Xxxxxxx Xxxxxxxx Berkeley National Laboratory
0 Xxxxxxxxx Xxxx, XX 00X0000
Xxxxxxxx, Xxxxxxxxxx 00000-8125
Re: LICENSE AGREEMENT/L-03-1370
Dear Xx. Xxxxxxxx:
Reference is made to the License Agreement for Installing Novel Functional
Groups for Therapeutics between Momenta Pharmaceuticals, Inc. ("Momenta") and
the Regents of the University of California through the Xxxxxx Xxxxxxx Xxxxxxxx
Berkeley National Laboratory ("Berkeley Lab") dated November 20, 2002 (the
"Agreement"). Capitalized terms used herein and not otherwise defined shall have
the meanings given such terms in the Agreement.
In accordance with Section 29.3 of the Agreement, Berkeley Lab and Momenta
hereby agree that the Field Election Date shall be extended to December 31,
2004. All other terms and conditions of the Agreement shall remain in full force
and effect.
In order to indicate your concurrence with the foregoing extension, please
countersign both copies of this letter and return one fully-executed copy to me
no later than November 20, 2004.
Very truly yours,
/s/ Xxxxx X. Xxxxxxxxx
Xxxxx X. Xxxxxxxxx
Vice President, Licensing & Business Development
Agreed and accepted:
The Regents of the University of California, through the
Xxxxxx Xxxxxxx Xxxxxxxx Berkeley National Laboratory
By: /s/ X. Xxxxxxxx
------------------------------------------------
