Seagen Inc. vs. Guangzhou Sinogen Pharmaceutical Co., Ltd. – Trademark Extension of Time TTAB Proceeding 97017710
This Extension of Time was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on August 10, 2022 and assigned serial number 97017710 by the TTAB. Plaintiff: Seagen Inc. represented by HAROLD MILSTEIN of SHEPPARD MULLIN RICHTER & HAMPTON LLP. Defendant: Guangzhou Sinogen Pharmaceutical Co., Ltd. represented by YUE (ROBERT) XU of APEX ATTORNEYS…
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