This Opposition was filed at the USPTO Trademark Trial and Appeal Board (TTAB) on December 13, 2022 and assigned serial number 91282304 by the TTAB.

Defendant:
Cara Therapeutics, Inc. represented by ALGIS ANILIONIS .
Trademark Information: ZELKAPRA – US Trademark Serial Number 97166013
View Trademark Status at USPTO
View Trademark Documents at USPTO

Plaintiff:
Merck Sharp & Dohme LLC represented by STACY J. GROSSMAN of LAW OFFICE OF STACY J. GROSSMAN PLLC.
Trademark Information: ZELKEYDRA – US Trademark Serial Number 97109947
View Trademark Status at USPTO
View Trademark Documents at USPTO

Prosecution History:
December 13, 2022 – FILED AND FEE
December 13, 2022 – NOTICE AND TRIAL DATES SENT; ANSWER DUE:
December 13, 2022 – INSTITUTED
February 02, 2023 – NOTICE OF DEFAULT
March 14, 2023 – BD DECISION: OPP SUSTAINED
March 14, 2023 – TERMINATED
View this TTAB Proceeding at USPTO

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