Patent Attorney
Manager, Zhongshan Office
Chair, Chemistry Group

Haiwen ZHANG

Patent Attorney
Manager, Zhongshan Office
Chair, Chemical Group

Profile  |  Experience  |  Publications  |  Speaking Engagements

Mr. Zhang is the chair of the firm’s Chemistry group and member of litigation group. He mainly focuses on patents, including application, litigation and invalidation. He also provides advices of intellectual property strategies. Serving successfully as a senior patent attorney over the years, he acquired rich knowledge in the field and assists numerous clients. With spending countless hours drafting, reviewing and litigating etc., he stands out among the patent attorneys in China.

Mr. Zhang has protected the legal rights of clients since he joined the team in 2003. His proficiency in patent IP matters in relation to chemistry field has garnered him a reputable track record in successful cases, as he continues to provide excellent service to the clients.


2002 to present    Jiaquan IP Law    Patent Attorney
2001-2002    Changsha Jingge Industrial Co., Ltd.    Chief Engineer
1990-2001    Hongqi fertilizer factory    Technical Engineer


Speaking Engagements

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Hunan University, B.E., Chemistry

Practice Areas
Organic and Inorganic Chemistry
Chemical Engineering
Analytical Chemistry
Polymers and Detergents

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