TrademarkDir
LEQEMBI COMPANION
LIVE

Serial Number

98094452

Owner

Eisai R&D Management Co., Ltd.

Attorney

Caroline H. Mead

First Use Date

Mar 3, 2026

Filing Date

Jul 20, 2023

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LEQEMBI COMPANION Trademark

Serial Number: 98094452 • Registration: 8356311

LEQEMBI COMPANION is a trademark filed by Eisai R&D Management Co., Ltd. on July 20, 2023. The trademark is classified under Class 9 (Computers & Electronics), Class 44 (Medical Services). The application is currently registered and active.

Owner Contact Info

Eisai R&D Management Co., Ltd.

6-10, Koishikawa 4-chome, Bunkyo-ku
Tokyo 112-8088 , JP

Entity Type: 03

Trademark Details

Filing Date

July 20, 2023

Registration Date

July 21, 2026

First Use Anywhere

March 3, 2026

First Use in Commerce

March 3, 2026

Published for Opposition

July 2, 2024

Goods & Services

Provision of medical information; consultancy and information services in the field of medical care relating to medical products, namely, pharmaceutical advice related to pharmaceutical preparations for the treatment and prevention of Alzheimer's disease and related disorders, cognitive impairment and dementia; health care

Downloadable computer software applications for supporting patients and their care partners

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Jul 21, 2026 NRCC
REGISTERED-PRINCIPAL REGISTER
Jul 21, 2026 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Jul 1, 2026 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Jul 1, 2026 CNPR
STATEMENT OF USE PROCESSING COMPLETE
Jun 23, 2026 SUPC
USE AMENDMENT FILED
Mar 30, 2026 IUAF
TEAS STATEMENT OF USE RECEIVED
Mar 30, 2026 EISU
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Feb 12, 2026 EXRA
SOU EXTENSION 2 GRANTED
Feb 12, 2026 EX2G
SOU EXTENSION 2 FILED
Feb 11, 2026 EXT2
SOU TEAS EXTENSION RECEIVED
Feb 11, 2026 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
May 14, 2025 EXRA
SOU EXTENSION 1 GRANTED
May 14, 2025 EX1G
SOU EXTENSION 1 FILED
May 13, 2025 EXT1
SOU TEAS EXTENSION RECEIVED
May 13, 2025 EEXT
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Feb 25, 2025 NOAM
EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED
Jan 13, 2025 ETOP
EXTENSION OF TIME TO OPPOSE RECEIVED
Jul 22, 2024 ETOF
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jul 2, 2024 NPUB
PUBLISHED FOR OPPOSITION
Jul 2, 2024 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jun 12, 2024 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
May 24, 2024 CNSA
TEAS/EMAIL CORRESPONDENCE ENTERED
May 21, 2024 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
May 21, 2024 CRFA
TEAS REQUEST FOR RECONSIDERATION RECEIVED
May 21, 2024 ERFR
NOTIFICATION OF FINAL REFUSAL EMAILED
May 8, 2024 GNFN
FINAL REFUSAL E-MAILED
May 8, 2024 GNFR
FINAL REFUSAL WRITTEN
May 8, 2024 CNFR
TEAS/EMAIL CORRESPONDENCE ENTERED
Apr 22, 2024 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Apr 22, 2024 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Apr 22, 2024 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Mar 26, 2024 GNRN
NON-FINAL ACTION E-MAILED
Mar 26, 2024 GNRT
NON-FINAL ACTION WRITTEN
Mar 26, 2024 CNRT
ASSIGNED TO EXAMINER
Mar 25, 2024 DOCK
PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED
Feb 26, 2024 AMPX
ASSIGNED TO LIE
Feb 26, 2024 ALIE
TEAS VOLUNTARY AMENDMENT RECEIVED
Oct 3, 2023 PARI
TEAS VOLUNTARY AMENDMENT RECEIVED
Aug 24, 2023 PARI
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Aug 20, 2023 NWOS
NEW APPLICATION ENTERED
Jul 24, 2023 NWAP

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