DSU

LIVE

Serial Number

87071457

Owner

Field Upgrading Limited

Attorney

Cheryl A. Clarkin, Esq.

Filing Date

Jun 14, 2016

Add to watchlist:

No watchlists yet

+ Create New Watchlist

View on USPTO

DSU Trademark

Serial Number: 87071457 • Registration: 5538089

DSU is a trademark filed by Field Upgrading Limited on June 14, 2016. The trademark is classified under Class 40 (Treatment & Processing). The application is currently registered and active.

Trademark Classes

Class 40 - Treatment & Processing

Treatment of materials

Owner Contact Info

Field Upgrading Limited (6 trademarks)

Calgary, Alberta T2G1B1 , CA

Entity Type: 03

Legal Representation

Attorney of Record

Cheryl A. Clarkin, Esq.

1,458 trademarks filed View all →

Correspondence Address

Cheryl A. Clarkin, Esq. Adler Pollock & Sheehan P.C.

16th Floor

100 Westminster Street

Providence, RI 02903

United States

Trademark Details

Filing Date

June 14, 2016

Registration Date

August 14, 2018

Published for Opposition

May 29, 2018

Goods & Services

desulphurization and upgrading of oil to produce bunker fuels for use in the shipping industry; treatment of materials, namely, the desulphurization of refinery bottoms, intermediate streams, heavy oil, oil shale and bitumen; treatment of materials to remove of metals and acids from oil and to increase the API gravity of oil

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Dec 17, 2025 NA85

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Dec 17, 2025 C15A

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 15, 2025 APRE

TEAS SECTION 8 & 15 RECEIVED

Jan 28, 2025 E815

TEAS VOLUNTARY AMENDMENT RECEIVED

Jan 28, 2025 PARI

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

Aug 14, 2023 REM1

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 21, 2022 TCCA

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Sep 21, 2022 ECDR

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 21, 2022 ARAA

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

Sep 21, 2022 REAP

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 28, 2020 CHAN

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 28, 2020 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 28, 2020 ARAA

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

Apr 28, 2020 REAP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 28, 2020 COAR

REGISTERED-PRINCIPAL REGISTER

Aug 14, 2018 R.PR

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 29, 2018 NPUB

PUBLISHED FOR OPPOSITION

May 29, 2018 PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 9, 2018 NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 24, 2018 CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 10, 2018 TEME

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 10, 2018 CRFA

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

Apr 6, 2018 ERSI

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

Nov 7, 2017 RCSC

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Nov 1, 2017 RCCK

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

Apr 19, 2017 RCSC

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Mar 29, 2017 RCCK

ASSIGNED TO LIE

Mar 29, 2017 ALIE

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 21, 2016 ARAA

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

Oct 21, 2016 REAP

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Sep 23, 2016 GNS3

LETTER OF SUSPENSION E-MAILED

Sep 23, 2016 GNSL

SUSPENSION LETTER WRITTEN

Sep 23, 2016 CNSL

ASSIGNED TO EXAMINER

Sep 22, 2016 DOCK

NOTICE OF PSEUDO MARK E-MAILED

Jun 22, 2016 MPMK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 21, 2016 NWOS

NEW APPLICATION ENTERED

Jun 17, 2016 NWAP

Related Trademarks

More from this Owner

CLEAN SEAS

FIELD UPGRADING

LSFUELS

FIELD UPGRADING

More in Same Class

SANEXEN

INTERMOUNTAIN NUTRITION

GAUMER TOOL & MACHINE CO. MACHINING EXCELLENCE

CINTAS

LSFUELS

WATERSHED