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Gao Yan joined UNITALEN ATTORNEYS AT LAW and started patent agency in 2009. Her work includes applying for foreign and domestic patent, drafting patent application documents, forwarding and replying examination opinion notice, export patent application, reexamination, patent invalidity and infringement analysis, and so on. She has involved in communication, computer technology, information processing, image processing, medical equipment, electric engineering, semiconductor technology, automation, and other fields. Gao Yan has acted as an agent for a great deal of cases of famous companies and gained rich practical experience.