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 97017710
View Trademark Status at USPTO
View Trademark Documents at USPTO

Plaintiff:
Seagen Inc. represented by HAROLD MILSTEIN of SHEPPARD MULLIN RICHTER & HAMPTON LLP.
Trademark Information: SEAGEN – US Trademark Serial Number 90142726
View Trademark Status at USPTO
View Trademark Documents at USPTO

Prosecution History:
November 16, 2022 – FILED AND FEE
November 16, 2022 – NOTICE AND TRIAL DATES SENT; ANSWER DUE:
November 16, 2022 – INSTITUTED
December 20, 2022 – ANSWER
January 17, 2023 – P APPEARANCE / POWER OF ATTORNEY
February 24, 2023 – P MOT FOR EXT W/ CONSENT
March 03, 2023 – EXTENSION OF TIME GRANTED
April 24, 2023 – W/DRAW OF APPLICATION W/O CONSENT
April 25, 2023 – BD DECISION: OPP SUSTAINED
April 25, 2023 – TERMINATED
View this TTAB Proceeding at USPTO

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