Partner | Patent Attorney | Attorney at Law


Material Science , Semiconductor , Organic Chemistry , Chemical Engineering

TEL: 86-10-6268 1616

FAX: 86-10-6268 1818



Ms. Song joined Liu, Shen & Associates in 1996 and became a qualified patent attorney in 1998. She specializes in patent prosecution, invalidation, counseling, and patent litigation with an emphasis on polymer, catalyzer, petrochemicals, health care, environmental sciences, battery, semi-conductive material, chemical engineering and pharmaceuticals.


Ms. Song got her qualification as an attorney at law in 2000. Starting from Joining Liu Shen, Ms. Song helps clients of all sizes to establish and grow patent portfolios, align intellectual property strategies, establish their freedom to operate, and resolve infringement disputes. Ms. Song has extensive experience in patent invalidity proceedings and patent infringement lawsuit especially in chemical fields and has represented numerous corporations in intellectual property disputes including patent invalidation and infringement litigation inChina.


Ms. Song received a Bachelor’s degree and a Master’s degree in Polymer Science fromSichuanUniversityin 1986 and 1989. She then studied in China University of Politics and theJohnMarshallLawSchoolfrom 2002 to 2004, and obtained a Master’s Degree of Law in 2004. Before joining Liu Shen, Ms. Song worked as an engineer in the Beijing Leather Industry Research Institution.


Representative cases that Ms. Song has led or participated include

-     EMS-CHEMIE AG (Switzerland) v. ATOFINA (France), representing Atofina, invalidation;

-     Total Petrochemicals (Belgium) v. Exxonmobile (US), representing Total Petrochemicals, invalidation & administrative litigation, one of ten leading cases of 2011;

-     Ineos (UK) v. Total Petrochemicals, representing Total Petrochemicals, invalidation;

-     Total Refining & Marketing (France) v. Exxonmobile (US), representing Total Refining, invalidation and patent license;

-     Milliken (US) v. Shanxi Chemical Institute (Chinese), representing Milliken, infringement litigation;

-     Idemitsu KoSan (Japan) v. Qijing El. Co. (Taiwang), representing Qijing, infringement litigationn;

-     Arkema (France) V. Mexichem Amanco (Mexico), representing Arkema, invalidation & administrative litigation;

-     Celanese (Nanjing) V. Daicel Chemicals Industries. LTD (JP), representing Daicel, invalidation & infringement litigation


Publications that Ms. Song has authored include

-     Patent prosecution inChina, China Invention and Patent Magazine, 2003.




All-China Patent Agents Association (ACPAA)

Licensing Executives Society International (LES)

Chinese Law Associates