Who owns the LEXEO trademark?

The LEXEO trademark is owned by Lexeo Therapeutics, Inc..

What class is the LEXEO trademark registered in?

The LEXEO trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for LEXEO?

The USPTO serial number for LEXEO is 98209814.

What is the registration number for LEXEO?

LEXEO is registered under USPTO registration number 0.

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Updated Oct 27, 2026·39 searches this week

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LEX

USPTO Trademark Record

PENDING

LEXEO

SN 98209814·Reg 0·Filed Oct 04, 2023

Owner Lexeo Therapeutics, Inc.

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

LEXEO (Serial No. 98209814), Registration No. 0, is a pending US trademark filed on Oct 04, 2023 by Lexeo Therapeutics, Inc.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Statement of Use due: April 01, 2027156 days remaining

Mark Intelligence

LEXEO (Reg. #0) is a pending US trademark that was filed in 2023 and is currently under USPTO examination. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 04, 2023

SERIAL

98209814

REG#

Filing Information

StatusPENDING

Filing DateOct 04, 2023

Serial Number98209814

Registration No.0

Status DateSep 29, 2026

Published for OppositionFeb 04, 2025

Mark TypeStandard characters

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 005, 006, 018, 044, 046, 051, 052

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

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Status History

31 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 30, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Sep 29, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Sep 29, 2026

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Sep 29, 2026

SOU EXTENSION 3 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Apr 02, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 2 GRANTED

Mar 31, 2026

SOU EXTENSION 2 GRANTED

SOU TEAS EXTENSION RECEIVED

Mar 30, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Mar 30, 2026

SOU EXTENSION 2 FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 08, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Sep 30, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Sep 30, 2025

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Sep 30, 2025

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Apr 01, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Feb 04, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 04, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 29, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NON-FINAL ACTION WRITTEN

Jan 15, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 15, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 15, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 15, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 29, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 27, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 27, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Aug 28, 2024

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Aug 28, 2024

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

NON-FINAL ACTION WRITTEN

May 31, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 31, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 31, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

May 24, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 13, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 07, 2023

NEW APPLICATION ENTERED

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