Who owns the BLUET trademark?

The BLUET trademark is owned by Bluet Oy Ltd.

What is the serial number for BLUET?

The USPTO serial number for BLUET is 79229380.

What is the registration number for BLUET?

BLUET is registered under USPTO registration number 5667814.

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Updated Oct 5, 2026·33 searches this week

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BLU

USPTO Trademark Record

REGISTERED

BLUET

Q: What class is the BLUET trademark registered in?

The BLUET trademark is registered in Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

SN 79229380·Reg 5667814·Filed Oct 11, 2017

Owner Bluet Oy Ltd

Construction services; installation and repair services; mining extraction, oil and gas drilling.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

BLUET (Serial No. 79229380), Registration No. 5667814, is a registered US trademark filed on Oct 11, 2017 by Bluet Oy Ltd. This trademark covers Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: February 05, 2029

Mark Intelligence

BLUET (Reg. #5667814) is a registered US trademark that has been protecting its owner, Bluet Oy Ltd, since 2017. The mark covers Class 037 (Construction, installation & repair services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.; Scientific and techno.... The mark faced 3 opposition proceedings during prosecution.

FILED

Oct 11, 2017

SERIAL

79229380

REG#

5667814

REGISTERED

Feb 05, 2019

Filing Information

StatusREGISTERED

Filing DateOct 11, 2017

Serial Number79229380

Registration No.5667814

Registration DateFeb 05, 2019

Status DateJun 27, 2025

Published for OppositionNov 20, 2018

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

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Status History

35 events

REGISTERED-SEC.71 ACCEPTED

Jun 27, 2025

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Jun 27, 2025

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

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

Jun 18, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 18, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 18, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 02, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

CHANGE OF NAME/ADDRESS REC'D FROM IB

Feb 28, 2025

CHANGE OF NAME/ADDRESS REC'D FROM IB

TEAS SECTION 71 RECEIVED

Feb 03, 2025

TEAS SECTION 71 RECEIVED

NEW REPRESENTATIVE AT IB RECEIVED

May 18, 2024

NEW REPRESENTATIVE AT IB RECEIVED

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

Feb 05, 2024

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

NEW REPRESENTATIVE AT IB RECEIVED

Oct 08, 2022

NEW REPRESENTATIVE AT IB RECEIVED

FINAL DECISION TRANSACTION PROCESSED BY IB

Jun 21, 2019

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

May 30, 2019

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

May 30, 2019

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

May 05, 2019

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Feb 05, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Nov 20, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 20, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Nov 17, 2018

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 31, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Oct 31, 2018

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Oct 31, 2018

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 09, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 05, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 04, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 04, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

REFUSAL PROCESSED BY IB

Apr 20, 2018

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Apr 04, 2018

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Apr 04, 2018

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

APPLICATION FILING RECEIPT MAILED

Apr 03, 2018

APPLICATION FILING RECEIPT MAILED

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 31, 2018

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 30, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

ASSIGNED TO EXAMINER

Mar 30, 2018

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Mar 30, 2018

NON-FINAL ACTION WRITTEN

SN ASSIGNED FOR SECT 66A APPL FROM IB

Mar 29, 2018

SN ASSIGNED FOR SECT 66A APPL FROM IB

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