NEW YORK--(BUSINESS WIRE)--Pfizer Inc (NYSE:PFE) today announced the commencement of its cash tender offer for all outstanding shares of common stock of Coley Pharmaceutical Group, Inc. (Nasdaq:COLY) for $8.00 per share. The tender offer is being made pursuant to an Offer to Purchase, dated November 30, 2007, and in connection with the Agreement and Plan of Merger, dated November 15, 2007, by and among Pfizer, Corvette Acquisition Corp., an indirect wholly owned subsidiary of Pfizer, and Coley, which Pfizer and Coley announced on November 16, 2007.