Mr. Song is a graduate in LLM and a Member of Competition and Antitrust Law Committee of Beijing Lawyers Association. He was a legal counsel for the The People's Liberation Army from 2002 to 2004 and has been practicing as a professional lawyer of B.D.L. International Law Firm afterwards. He is contributed to legal pratice over decade and provided arbitration, litigation and non-litigation services for prestigious oversea clients.

He is specialized in intellectual property, unfair competition, corporate law, contract, marriage and heritage legal matters, he undertaken hundreds of cases with satisfactory results and has protected the utmost interests of the concerned clients, and some of the cases he entrusted were chosen as representative cases by local courts or Supreme Court of China, such as Cartier International N.V. v. Foshan Sanshui District Mingkun Ceramics Co., Ltd., et al., Cartier International N.V. v. Yunnan Cartier Wedding Photography Co., Ltd., China Base Ningbo Group v.s. Zhejiang China Basic Holdings Group for company name dispute, Unfair Competition on Xinbailun Trade (China) Co. v.s. New Balance Athletic Shoes. Inc. (US) and Alfred Dunhill Co., Ltd. v. Wuxi Ruby Electronics Co., Ltd. trademark infringement dispute case.