On December 23, 2021, Hanwang Technology Co., Ltd. (hereinafter referred to as Hanwang Technology), active in the field of character recognition technology and intelligent interactive products worldwide, disclosed a lawsuit announcement. In the announcement, it said that it recently filed a lawsuit with the Beijing Intellectual Property Court regarding the infringement of the invention patent named "a slope image acquisition device and face recognition system" (CN101615243B). The defendants are ZKTeco Co., Ltd (hereinafter referred to as ZKTeco), a global enterprise with biometric verifications as its core technology, and its wholly-owned subsidiaries, and Beijing Jingdong Century Trade Co., Ltd. Hanwang Technology received 9 "Notices of Acceptance of Civil Cases" issued by the Beijing Intellectual Property Court on December 21, 2021, with indemnities of 109 million CNY (about 17.21 million USD) claimed.

It should be pointed out that one of the defendants, ZKTeco, is currently aiming to be listed on the Growth Enterprise Market (GEM), and had just passed the IPO (Initial Public Offering) stage in December 2021, though it had not yet submitted for registration. The issue of whether the above-mentioned infringement case will affect ZKTeco's IPO progress had also attracted market attention.

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