The founding partner of Hanhow IP. Patent expertise covers the field of chemistry，biotechnology and pharmaceutics. Having sound record in defending the IP rights, including being one of the chief attorneys for Pfizer in the invalidation case of the “Viagra” patent and spoke at the oral hearing before the Reexamination Committee.He also is the chief attorney for Eli Lilly in defending the key products thereof including the insulin analog Lyspro® and the chemical drug Gemzar®.Stationed in the European office of China Patent Agent (HK) Ltd in the year of 2006. Took a training program on EP IP held by Boehmert & Boehmert, Munich, Germany in the year of 2007 and a training program on US IP held by Scully Scott Murphy & Presser, New York, USA in the year of 2009.