This Opposition was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on August 24, 2022 and assigned serial number 91278167 by the TTAB.

Defendant:
Prometheus Biolabs, LLC represented by of PROMETHEUS BIOLABS, LLC.
Trademark Information: MARCAN ORAL SPRAY – US Trademark Serial Number 90824858
View Trademark Status at USPTO
View Trademark Documents at USPTO

Plaintiff:
Emergent Operations Ireland Limited represented by FAN CHENG of CROWELL & MORING LLP.
Trademark Information: NARCAN – US Trademark Serial Number 72225014
View Trademark Status at USPTO
View Trademark Documents at USPTO

Prosecution History:
August 24, 2022 – FILED AND FEE
August 24, 2022 – NOTICE AND TRIAL DATES SENT; ANSWER DUE:
August 24, 2022 – INSTITUTED
October 14, 2022 – NOTICE OF DEFAULT
November 29, 2022 – BD DECISION: OPP SUSTAINED
November 29, 2022 – TERMINATED
View this TTAB Proceeding at USPTO

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