E-tone Intellectual Property Firm ( E-tone), founded in 2006, is a professional intellectual property agency officially approved by the State Intellectual Property Office and the State Administration for Industry and Commerce of P.R.China.

　　E-tone provides all areas of intellectual property law services for clients both domestic and oversea. The professionals in E-tone have intensive knowledge on intellectual property related laws and regulations, and
 
extensive experiences in IP examination and agent services. Especially, they are accomplished in drafting patent application in Chinese and in English, and handling patent related oversea affairs for domestic clients.

　　 Furtheremore, E-tone’s professionals possess strong technical backgrounds in electronics, electrical engineering, computer, telecommunication, internet, semiconductor, optics, physics, mechanical engineering, chemistry, biotechnology, chemistry engineering, and gene science. In virtue of their solid backgrounds both in law and in technoligy, they are able to offer high quality and high efficient legal services to client at home and abroad.

　　extensive experiences in IP examination and agent services. Especially, they are accomplished in drafting patent application in Chinese and in English, and handling patent related oversea affairs for domestic clients.