Shearman & Sterling is representing sanofi-aventis in the US$520.6 million acquisition of BMP Sunstone Corporation, a specialty pharmaceutical company operating exclusively in China. The acquisition is structured as a merger of BMP Sunstone and Star 2010 Inc., a wholly owned subsidiary of sanofi-aventis.

The Shearman & Sterling team is being led by partner Lee Edwards (Beijing-M&A), supported by associates Shirin Tang (Singapore-M&A), Rachel Gu (Beijing-M&A), Yongqing Huang (Beijing-M&A), Yan Liang (Beijing-M&A), Xinmei Chen (Beijing-M&A) and Cao Xue (Beijing-M&A). Other Shearman & Sterling attorneys involved in the transaction include partners Larry Crouch (Menlo Park-Tax), Tina Patel (Menlo Park-Intellectual Property Transactions), Stephen Hibbard (San Francisco-Litigation), and Philip Urofsky (Washington, DC-Litigation) and associates Eileen O’Pray (Menlo Park-Tax), Veronica Wissel (New York-Executive Compensation & Employee Benefits), Susan Reiss (New York-Intellectual Property Transactions), Kelly Karapetyan (New York-Antitrust) and Amanda Kosonen (Washington, DC-Litigation).