Who owns the HK trademark?

The HK trademark is owned by Hearken, Inc..

What class is the HK trademark registered in?

The HK trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for HK?

The USPTO serial number for HK is 87177491.

What is the registration number for HK?

HK is registered under USPTO registration number 5221761.

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Updated Sep 27, 2026·21 searches this week

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USPTO Trademark Record

REGISTERED

HK

SN 87177491·Reg 5221761·Filed Sep 20, 2016

Owner Hearken, Inc.

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.

HK (Serial No. 87177491), Registration No. 5221761, is a registered US trademark filed on Sep 20, 2016 by Hearken, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

renewal 10y period: June 14, 2027259 days remaining

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Full conflict analysis for HK (SN 87177491) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HK (Reg. #5221761) is a registered US trademark that has been protecting its owner, Hearken, Inc., since 2016. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 20, 2016

SERIAL

87177491

REG#

5221761

REGISTERED

Jun 13, 2017

Filing Information

StatusREGISTERED

Filing DateSep 20, 2016

Serial Number87177491

Registration No.5221761

Registration DateJun 13, 2017

Status DateMar 30, 2023

Published for OppositionMar 28, 2017

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Apr 30, 2015

First use in commerce: Apr 30, 2015

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

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Status History

24 events

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Jun 13, 2026

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 30, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 30, 2023

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

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

Mar 30, 2023

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

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

Sep 19, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 19, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 19, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 8 & 15 RECEIVED

Sep 19, 2022

TEAS SECTION 8 & 15 RECEIVED

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

Jun 13, 2022

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

REGISTERED-PRINCIPAL REGISTER

Jun 13, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Mar 28, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 28, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 08, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 13, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Jan 23, 2017

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jan 23, 2017

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jan 23, 2017

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jan 23, 2017

EXAMINER'S AMENDMENT ENTERED

NON-FINAL ACTION WRITTEN

Jan 03, 2017

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 03, 2017

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 03, 2017

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 27, 2016

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 27, 2016

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 26, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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