Patent Attorney since 2014
Lawyer's Qualification since 2021
Computer Technology、Communication Technology、Electronic Technology、Semiconductor Technology、Information Processing、Artificial Intelligence
Chinese、English、Japanese
Ms. Cheng provides full IP services including patent prosecution, reexamination, invalidation and litigation. Ms. Cheng especially has rich experience in patent prosecution and invalidation. She has drafted a great quantity of patent applications in English and Chinese for international and domestic well-known enterprises and handled over 1, 000 patent prosecuting cases in China covering various technical fields. She represented several famous companies to successfully defend their Standard Essential Patents in China. Ms. Cheng also has experience of patent prosecution in the U.S., Europe and Japan.
Represented a well-known Japanese company as the patentee in a series of invalidation cases regarding image processing SEPs in 2021, and successfully maintained all the patents.
Represented a well-known Japanese company as the patentee in a series of invalidation cases regarding wireless communication SEPs in 2021, where the two parties reached a settlement.
Represented a well-known European communication company as the patentee in a series of invalidation in 2020-2021, and successfully maintained all the patents.