Who owns the LEQEMBI COMPANION trademark?

The LEQEMBI COMPANION trademark is owned by Eisai R&D Management Co., Ltd..

What is the serial number for LEQEMBI COMPANION?

The USPTO serial number for LEQEMBI COMPANION is 98094452.

What is the registration number for LEQEMBI COMPANION?

LEQEMBI COMPANION is registered under USPTO registration number 8356311.

LEQ

USPTO Trademark Record

REGISTERED

LEQEMBI COMPANION

Q: What class is the LEQEMBI COMPANION trademark registered in?

The LEQEMBI COMPANION trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 044 (Medical, veterinary & beauty care services).

SN 98094452·Reg 8356311·Filed Jul 20, 2023

Owner Eisai R&D Management Co., Ltd.

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

LEQEMBI COMPANION (Serial No. 98094452), Registration No. 8356311, is a registered US trademark filed on Jul 20, 2023 by Eisai R&D Management Co., Ltd.. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 044 (Medical, veterinary & beauty care services).

early section 8: July 21, 2032

Mark Intelligence

LEQEMBI COMPANION (Reg. #8356311) is a registered US trademark that has been protecting its owner, Eisai R&D Management Co., Ltd., since 2023. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 044 (Medical, veterinary & beauty care services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 20, 2023

SERIAL

98094452

REG#

8356311

REGISTERED

Jul 21, 2026

Owner

Applicant

Eisai R&D Management Co., Ltd.

Entity

Corporation

Address

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

Country

Attorney

NameCaroline H. Mead

Law firm

Caroline H. Mead SQUIRE PATTON BOGGS (US) LLP

Docket

087173.00239

Address

550 California Street, Suite 1100, SAN FRANCISCO, CA 94104, United States

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Filing Information

StatusREGISTERED

Filing DateJul 20, 2023

Serial Number98094452

Registration No.8356311

Registration DateJul 21, 2026

Status DateJul 21, 2026

Published for OppositionJul 02, 2024

Mark TypeStandard characters

Attorney Docket087173.00239

Status DescriptionLive and registered

Filing Signals

FILED

2023

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Mar 03, 2026

First use in commerce: Mar 03, 2026

Class 044Medical, veterinary & beauty care services

US codes: 100, 101

First use anywhere: Mar 03, 2026

First use in commerce: Mar 03, 2026

Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

41 events

REGISTERED-PRINCIPAL REGISTER

Jul 21, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 21, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jul 01, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jul 01, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Jun 23, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Mar 30, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Mar 30, 2026

USE AMENDMENT FILED

SOU EXTENSION 2 GRANTED

Feb 12, 2026

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Feb 12, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Feb 11, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Feb 11, 2026

SOU EXTENSION 2 FILED

SOU EXTENSION 1 GRANTED

May 14, 2025

SOU EXTENSION 1 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

May 14, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

May 13, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

May 13, 2025

SOU EXTENSION 1 FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Feb 25, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Jan 13, 2025

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

EXTENSION OF TIME TO OPPOSE RECEIVED

Jul 22, 2024

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Jul 02, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 02, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 12, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 24, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS REQUEST FOR RECONSIDERATION RECEIVED

May 21, 2024

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 21, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 21, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

FINAL REFUSAL WRITTEN

May 08, 2024

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

May 08, 2024

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

May 08, 2024

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 22, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 22, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 22, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Mar 26, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 26, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 26, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 25, 2024

ASSIGNED TO EXAMINER

ASSIGNED TO LIE

Feb 26, 2024

ASSIGNED TO LIE

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

Feb 26, 2024

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

TEAS VOLUNTARY AMENDMENT RECEIVED

Oct 03, 2023

TEAS VOLUNTARY AMENDMENT RECEIVED

Aug 24, 2023

TEAS VOLUNTARY AMENDMENT RECEIVED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 20, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 24, 2023

NEW APPLICATION ENTERED

LEQEMBI COMPANION

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