Who owns the O2 DOCTOR trademark?

The O2 DOCTOR trademark is owned by Life Cornerstone LLC.

What class is the O2 DOCTOR trademark registered in?

The O2 DOCTOR trademark is registered in Class 044 (Medical, veterinary & beauty care services).

What is the serial number for O2 DOCTOR?

The USPTO serial number for O2 DOCTOR is 98139457.

What is the registration number for O2 DOCTOR?

O2 DOCTOR is registered under USPTO registration number 0.

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Updated Sep 27, 2026·42 searches this week

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O2D

USPTO Trademark Record

PENDING

O2 DOCTOR

SN 98139457·Reg 0·Filed Aug 18, 2023

Owner Life Cornerstone LLC

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

O2 DOCTOR (Serial No. 98139457), Registration No. 0, is a pending US trademark filed on Aug 18, 2023 by Life Cornerstone LLC. This trademark covers Class 044 (Medical, veterinary & beauty care services).

Office Action response: October 25, 202627 days remaining

Conflict Analysis

Full conflict analysis for O2 DOCTOR (SN 98139457) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

O2 DOCTOR (Reg. #0) is a pending US trademark that was filed in 2023 and is currently under USPTO examination. The mark covers Class 044 (Medical, veterinary & beauty care services). Goods and services include Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, h.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 18, 2023

SERIAL

98139457

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateAug 18, 2023

Serial Number98139457

Registration No.0

Registration DateDec 31, 1969

Status DateApr 25, 2026

Published for OppositionMar 25, 2025

Filing Basis & Declarations

Standard Characters Claimed

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 044Medical, veterinary & beauty care services

US codes: 100, 101

First use anywhere: Aug 10, 2025

First use in commerce: Aug 10, 2025

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.

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Status History

30 events

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Jul 27, 2026

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Jul 27, 2026

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

SU - NON-FINAL ACTION - WRITTEN

Apr 25, 2026

SU - NON-FINAL ACTION - WRITTEN

NON-FINAL ACTION E-MAILED

Apr 25, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 25, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Apr 21, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Nov 20, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Nov 20, 2025

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 20, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Mar 25, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 25, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 19, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 04, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 12, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 12, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 12, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Nov 12, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 12, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 12, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 18, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 18, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 18, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Jul 18, 2024

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Jul 18, 2024

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

ASSIGNED TO EXAMINER

Apr 18, 2024

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Apr 18, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 18, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 18, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 18, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 22, 2023

NEW APPLICATION ENTERED

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