On May 4, 2018, the China National Intellectual Property Administration (hereinafter refered as CNIPA) issued an invalidation decision No. 35755, announcing that all patent rights of invention, entitled " method for control transmission power ", which were owned by Guang Dong OPPO Mobile Telecommunications corp.,ltd. were valid (The picture is for reference only and has nothing to do with this patent).

After accepting the client's commission, the Hengbo team made a lot of meticulous preparations, including successfully pointing out the flaws of the other party's evidence and the technical understanding errors, and finally successfully maintained the patent in entirety.

According to the law, the patentee, who is dissatisfied with the invalidation decision, can file an administrative lawsuit request with the Beijing Intellectual Property Court within three months.

The detailed content of the invalidation decision can be found in the Annex: Invalidation Decision No. 35755.