NEW YORK--(BUSINESS WIRE)--Pfizer (NYSE:PFE) announced today that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act) has expired, and that it has received clearance from the Federal Cartel Office of Germany (FCO), in each case in connection with its offer to purchase all of the outstanding shares of common stock of Coley Pharmaceutical Group, Inc. (Nasdaq:COLY).
