Who owns the AD4000 trademark?

The AD4000 trademark is owned by AIR DOCTOR, LLC.

What class is the AD4000 trademark registered in?

The AD4000 trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for AD4000?

The USPTO serial number for AD4000 is 99021920.

What is the registration number for AD4000?

AD4000 is registered under USPTO registration number 8338228.

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Updated Sep 27, 2026·35 searches this week

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AD4

USPTO Trademark Record

REGISTERED

AD4000

SN 99021920·Reg 8338228·Filed Jan 29, 2025

Owner AIR DOCTOR, LLC

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

AD4000 (Serial No. 99021920), Registration No. 8338228, is a registered US trademark filed on Jan 29, 2025 by AIR DOCTOR, LLC. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: July 07, 2032

Conflict Analysis

Full conflict analysis for AD4000 (SN 99021920) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

AD4000 (Reg. #8338228) is a registered US trademark that has been protecting its owner, AIR DOCTOR, LLC, since 2025. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 29, 2025

SERIAL

99021920

REG#

8338228

REGISTERED

Jul 07, 2026

Filing Information

StatusREGISTERED

Filing DateJan 29, 2025

Serial Number99021920

Registration No.8338228

Registration DateJul 07, 2026

Status DateJul 07, 2026

Published for OppositionNov 25, 2025

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: Sep 15, 2025

First use in commerce: Sep 15, 2025

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

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Status History

23 events

REGISTERED-PRINCIPAL REGISTER

Jul 07, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 07, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jun 14, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jun 14, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Jun 10, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Feb 24, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Feb 24, 2026

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 20, 2026

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Nov 25, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 25, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 19, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 28, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Oct 27, 2025

ASSIGNED TO LIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 27, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 27, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 15, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Jul 21, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 21, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 21, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jul 09, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 30, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 29, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jan 29, 2025

APPLICATION FILING RECEIPT MAILED

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