Hangzhou Sepu Won the Patent Invalidity Declaration of Tangential Flow Filtration Device

Published Date:2025-01-17 Views:472

Recently, a patent invalidity declaration case jointly handled by Beijing Sunshine IP Intellectual Property Agency Co., Ltd. and Beijing Yiju Law Firm for the invalidity requestor, Sepu (Hangzhou) Filtration Technology Co., Ltd., has been concluded.

The National Intellectual Property Administration made the invalidation review decision No. 581767, declaring all the patent rights of the invention patent No. 202110984721.0, "A tangential flow filtration assembly, tangential flow filtration device and irrigation system" owned by Hangzhou Cobetter Filtration Equipment Co., Ltd., invalid.

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