Dainippon Sumitomo Pharma Co., Ltd. Acquires Sepracor Inc.

Dainippon Sumitomo Pharma Co., Ltd. Acquires Sepracor Inc.

News

Dainippon Sumitomo Pharma Co., Ltd. (DSP) and Sepracor Inc. recently announced the successful completion of DSP’s acquisition of Sepracor for approximately $2.6 billion.

DSP completed the acquisition through a cash tender offer and by exercising an option to acquire additional shares directly from Sepracor followed by a short-form merger of an indirect wholly-owned subsidiary of DSP with and into Sepracor on October 20, 2009. Sepracor is now an indirect wholly-owned subsidiary of DSP.

WilmerHale represented Sepracor in this matter. The WilmerHale team was led by Partners Hal Leibowitz and Susan Murley and included Lia Der Marderosian, Brett Budzinski, Stephen Ranere and John Harrison.