OPNX
NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB
05/21/2026
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Official data from USPTO
BRAINWING
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
13
Latest update
05/22/2026
Trademark type
Word
Nice classes
5
Filing date
11/06/2024
Registration date
06/17/2025
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/17/2025
Last transaction
05/22/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Drawing code
4
Owner type
03
Owner location
JP
Examiner
HOFFMAN, DAVID AARON
Law office
L70
Current location
FILE REPOSITORY (FRANCONIA)
Holders and representatives
Holders
Eisai R&D Management Co., Ltd.
Representatives
No representative data.
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
Pharmaceutical preparations for use in the treatment of neurological conditions; pharmaceutical preparations for use in the field of neurologynamely pharmaceutical preparations for the prevention and treatment of neurological disorders and diseases.
Publications
History of USPTO decisions and trademark events.
13 publications found
OPNS
NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB
05/04/2026
OPNR
NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB
05/04/2026
FICR
FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB
07/17/2025
R.PR
REGISTERED-PRINCIPAL REGISTER
06/17/2025
PUBO
PUBLISHED FOR OPPOSITION
04/29/2025
NPUB
NOTICE OF PUBLICATION
04/23/2025
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/31/2025
DOCK
ASSIGNED TO EXAMINER
03/31/2025
MAFR
APPLICATION FILING RECEIPT MAILED
12/20/2024
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
12/20/2024
LIMI
LIMITATION FROM ORIGINAL APPLICATION ENTERED
12/20/2024
REPR
SN ASSIGNED FOR SECT 66A APPL FROM IB
12/05/2024
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