Who owns the BK trademark?

The BK trademark is owned by Hottinger Brüel & Kjær A/S.

What is the serial number for BK?

The USPTO serial number for BK is 79157361.

What is the registration number for BK?

BK is registered under USPTO registration number 4995237.

USPTO Trademark Record

REGISTERED

BK

Q: What class is the BK trademark registered in?

The BK trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

SN 79157361·Reg 4995237·Filed Jun 20, 2014

Owner Hottinger Brüel & Kjær A/S

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; 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.

BK (Serial No. 79157361), Registration No. 4995237, is a registered US trademark filed on Jun 20, 2014 by Hottinger Brüel & Kjær A/S. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

renewal grace 10y period: January 12, 202779 days remaining

Mark Intelligence

BK (Reg. #4995237) is a registered US trademark that has been protecting its owner, Hottinger Brüel & Kjær A/S, since 2014. The mark covers Class 009 (Electronics, software & scientific instruments), Class 037 (Construction, installation & repair services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 6 opposition proceedings during prosecution.

FILED

Jun 20, 2014

SERIAL

79157361

REG#

4995237

REGISTERED

Jul 12, 2016

Owner

Applicant

Hottinger Brüel & Kjær A/S

Entity

Not Provided

Address

Skodsborgvej 307, Nærum, DK-2850

Country

Attorney

NameErik N. Lund

Law firm

Erik N. Lund Whitestone Law PLLC

Docket

MAL00194/US/

Address

8000 Westpark Drive. Suite 250, Mclean, VA 22102, United States

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Filing Information

StatusREGISTERED

Filing DateJun 20, 2014

Serial Number79157361

Registration No.4995237

Registration DateJul 12, 2016

Status DateAug 11, 2026

Published for OppositionMar 22, 2016

Mark TypeDesign with words

Attorney DocketMAL00194/US/

Status DescriptionLive and registered, Section 71 accepted

Filing Signals

FILED

2014

YEARS AGO

12y

CLASSES

MADRID FILINGS

—

Opposed 6× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

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.

Status History

52 events

REGISTERED-SEC.71 ACCEPTED

Aug 11, 2026

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Aug 11, 2026

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 10, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 71 RECEIVED

Apr 20, 2026

TEAS SECTION 71 RECEIVED

COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED

Jul 12, 2025

COURTESY REMINDER - SEC. 71 (10-YR) E-MAILED

INTERNATIONAL REGISTRATION RENEWED

Jun 21, 2024

INTERNATIONAL REGISTRATION RENEWED

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

Dec 06, 2022

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

Dec 06, 2022

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Dec 02, 2022

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 22, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

OFFICE ACTION ISSUED POU1

Jul 22, 2022

OFFICE ACTION ISSUED POU1

TEAS SECTION 71 & 15 RECEIVED

Jul 12, 2022

TEAS SECTION 71 & 15 RECEIVED

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

Jul 12, 2021

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

NEW REPRESENTATIVE AT IB RECEIVED

Apr 02, 2021

NEW REPRESENTATIVE AT IB RECEIVED

CHANGE OF NAME/ADDRESS REC'D FROM IB

Oct 31, 2020

CHANGE OF NAME/ADDRESS REC'D FROM IB

NEW REPRESENTATIVE AT IB RECEIVED

Jun 30, 2017

NEW REPRESENTATIVE AT IB RECEIVED

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Oct 12, 2016

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Jul 12, 2016

REGISTERED-PRINCIPAL REGISTER

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jun 09, 2016

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Jun 06, 2016

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

UNDELIVERABLE MAIL - NO ACTION TAKEN

May 27, 2016

UNDELIVERABLE MAIL - NO ACTION TAKEN

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

May 25, 2016

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

May 25, 2016

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

EXTENSION OF TIME TO OPPOSE RECEIVED

Apr 18, 2016

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Mar 22, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 22, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Mar 18, 2016

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 02, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

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

Mar 02, 2016

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

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Mar 02, 2016

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

LAW OFFICE PUBLICATION REVIEW COMPLETED

Feb 16, 2016

LAW OFFICE PUBLICATION REVIEW COMPLETED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 09, 2016

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 09, 2016

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 09, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Feb 08, 2016

ASSIGNED TO LIE

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Feb 01, 2016

TEAS REQUEST FOR RECONSIDERATION RECEIVED

NEW REPRESENTATIVE AT IB RECEIVED

Nov 27, 2015

NEW REPRESENTATIVE AT IB RECEIVED

FINAL REFUSAL WRITTEN

Aug 07, 2015

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Aug 07, 2015

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Aug 07, 2015

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 07, 2015

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 06, 2015

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 06, 2015

CORRESPONDENCE RECEIVED IN LAW OFFICE

REFUSAL PROCESSED BY IB

Jan 23, 2015

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Jan 05, 2015

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Jan 05, 2015

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

APPLICATION FILING RECEIPT MAILED

Jan 02, 2015

APPLICATION FILING RECEIPT MAILED

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Dec 30, 2014

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 29, 2014

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

ASSIGNED TO EXAMINER

Dec 29, 2014

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Dec 29, 2014

NON-FINAL ACTION WRITTEN

SN ASSIGNED FOR SECT 66A APPL FROM IB

Dec 25, 2014

SN ASSIGNED FOR SECT 66A APPL FROM IB

BK

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