This Opposition was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on October 18, 2022 and assigned serial number 91281247 by the TTAB. Plaintiff: Celltrion Holdings Co., Ltd. represented by KISUK LEE of HARNESS, DICKEY & PIERCE, PLC. Trademark Information: CELLTRION – US Trademark Serial Number 88009871View Trademark Status at USPTOView Trademark Documents…
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