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ARTICLE · 31 MARCH 2021

Unilin Wins CNIPA Invalidation Case

Kangxin's client, Unilin, was founded in the 1960s and is a leader in the global flooring industry. It has developed advanced technology in the industry and is famous for its Quick-Step floors.

ChinaIntellectual Property

    Kangxin's client, Unilin, was founded in the 1960s and is a leader in the global flooring industry. It has developed advanced technology in the industry and is famous for its Quick-Step floors.  Unilin offers more than the Quick-Step alone, also manufacturing products such as roof panels, insulation panels, and furniture panels. Kangxin recently successfully represented Unilin in an important invalidation case in China.

    The invalidation case here concerns Unilin's patent CN 101023230, it is the Chinese counterpart of Unilin's international family of click patents, which protects Unilin's current generation of "angling in" click technology.  The technology is important for Unilin and has been licensed to and widely used by its growing international licensing base.  The said patent was requested for invalidation with CNIPA on July 8, 2020, by a third party claiming that all the claims lack novelty and inventiveness.  The text of request for invalidation was

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