On May 28, 2021, the CNIPA issued No. 49939 Invalidation decision, declaring all rights of the patent, entitled "a vibration drive component with noise-reducing structure and muscle massage device", which were owned by Sichuan Qianlibeiyikang Medical Technology Co., LTD to be invalid.

After accepting the client's entrustment, the team of Hengbo had conducted a lot of painstaking search and finally succeeded in invalidating the patent.

According to the law, if the patentee is not satisfied with the invalidation decision, he or she can file an administrative litigation to the Beijing Intellectual Property Court within 3 months.