Tag: Guangzhou Sinogen Pharmaceutical Co., Ltd.

Navigating the complex world of IP law

Seagen Inc. vs. Guangzhou Sinogen Pharmaceutical Co., Ltd. – Trademark Opposition TTAB Proceeding 91282294

This Opposition was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on December 12, 2022 and assigned serial number 91282294 by the TTAB. Plaintiff: Seagen Inc. represented by STEVEN P. HOLLMAN of SHEPPARD MULLIN RICHTER & HAMPTON LLP. Trademark Information: SEAGEN – US Trademark Serial Number 87490660View Trademark Status at USPTOView Trademark Documents…
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Seagen Inc. vs. Guangzhou Sinogen Pharmaceutical Co., Ltd. – Trademark Opposition TTAB Proceeding 91281794

This Opposition was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on November 16, 2022 and assigned serial number 91281794 by the TTAB. Defendant: Guangzhou Sinogen Pharmaceutical Co., Ltd. represented by YUE (ROBERT) XU of APEX ATTORNEYS AT LAW, LLP. Trademark Information: SGEN – US Trademark Serial Number 97017710View Trademark Status at USPTOView…
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Seagen Inc. vs. Guangzhou Sinogen Pharmaceutical Co., Ltd. – Trademark Extension of Time TTAB Proceeding 97017673

This Extension of Time was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on August 22, 2022 and assigned serial number 97017673 by the TTAB. Defendant: Guangzhou Sinogen Pharmaceutical Co., Ltd. represented by YUE (ROBERT) XU of APEX ATTORNEYS AT LAW, LLP. Trademark Information: SGEN – US Trademark Serial Number 97017673View Trademark Status…
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