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ROPES & GRAY LLP | |
ONE INTERNATIONAL PLACE | |
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May 5, 2010 | Andrew J. Sung |
| 617-951-7961 |
| 617-235-7351 fax |
| andrew.sung@ropesgray.com |
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VIA EDGAR
Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549-7010
Attention: Tabatha Akins
Mary Mast
Bryan Pitko
Re: SEC Comment Letter dated April 27, 2010
Genzyme Corporation
Form 10-K for the year ended December 31, 2009
Filed on March 1, 2010
File No. 000-14680
Ladies and Gentlemen:
On behalf of Genzyme Corporation (the “Company”), this letter is to confirm our telephone conversation this afternoon with Ms. Akins of the staff of the Securities and Exchange Commission wherein we advised Ms. Akins that our response to the staff’s comment later dated April 27, 2010 would be provided by May 28, 2010.
Very truly yours, |
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/s/ Andrew J. Sung |
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Andrew J. Sung |
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Ropes & Gray LLP |
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cc: Jodie Vasily-Cioffi, Genzyme Corporation