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Official data from USPTO

DUALOCK

Did you know this trademark is already registered in United States?

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

DUALOCK

ST13

US500000086825415

Class

4

Filing

86825415

Registration

4968866

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

45

Latest update

08/27/2025

Trademark type

Word

Nice classes

4

Filing date

11/19/2015

Registration date

05/31/2016

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

05/31/2016

Last transaction

08/27/2025

Responsible office

United States Patent and Trademark Office

Status code

700

Official register

Principal Register

Filing basis

Foreign priority

Drawing code

4

Owner type

16

Owner location

Pangbourne, Reading, GB

Examiner

ELTON, DAVID

Law office

L60

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

Castrol Limited

Representatives

Cristina Carvalho ArentFox Schiff LLP

Technical classification

Nice Classes

Class 4

Vienna Codes

No Vienna codes available.

Goods and services

Class 4

Automotive lubricants; lubricants for motor vehicles; engine oils

Publications

History of USPTO decisions and trademark events.

45 publications found

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

08/20/2025

ECDR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

08/20/2025

EWOR

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

08/20/2025

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

08/20/2025

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

08/20/2025

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

08/20/2025

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

08/20/2025

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

02/13/2023

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

02/13/2023

ECDR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

02/13/2023

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

02/13/2023

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

02/13/2023

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

02/13/2023

ES8R

TEAS SECTION 8 RECEIVED

11/30/2022

REM1

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

05/31/2021

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

03/03/2021

EWOR

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

03/03/2021

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

03/03/2021

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

03/03/2021

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

09/17/2020

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

09/17/2020

ECDR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

09/17/2020

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

09/17/2020

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

09/17/2020

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

09/17/2020

R.PR

REGISTERED-PRINCIPAL REGISTER

05/31/2016

CORV

REVIEW OF CORRESPONDENCE COMPLETE

05/10/2016

MAIL

PAPER RECEIVED

03/28/2016

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

03/22/2016

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

03/15/2016

PUBO

PUBLISHED FOR OPPOSITION

03/15/2016

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

02/24/2016

PREV

LAW OFFICE PUBLICATION REVIEW COMPLETED

02/10/2016

ALIE

ASSIGNED TO LIE

02/02/2016

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

12/15/2015

XAEC

EXAMINER'S AMENDMENT ENTERED

12/15/2015

GNEN

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

12/15/2015

GNEA

EXAMINERS AMENDMENT E-MAILED

12/15/2015

CNEA

EXAMINERS AMENDMENT -WRITTEN

12/15/2015

ZZAX

PREVIOUS ALLOWANCE WITHDRAWN-TIMELY AAU

12/09/2015

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

12/08/2015

DOCK

ASSIGNED TO EXAMINER

12/08/2015

MPMK

NOTICE OF PSEUDO MARK E-MAILED

11/25/2015

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

11/24/2015

NWAP

NEW APPLICATION ENTERED

11/23/2015

Continuous trademark protection

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