Who owns the LK trademark?

The LK trademark is owned by Lightning Knight Co., Limited.

What class is the LK trademark registered in?

The LK trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for LK?

The USPTO serial number for LK is 86457512.

What is the registration number for LK?

LK is registered under USPTO registration number 4819751.

USPTO Trademark Record

REGISTERED

LK

SN 86457512·Reg 4819751·Filed Nov 18, 2014

Owner Lightning Knight Co., Limited

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.

LK (Serial No. 86457512), Registration No. 4819751, is a registered US trademark filed on Nov 18, 2014 by Lightning Knight Co., Limited. This trademark covers Class 009 (Electronics, software & scientific instruments).

Section 8/9 declaration window: September 24, 2035

Mark Intelligence

LK (Reg. #4819751) is a registered US trademark that has been protecting its owner, Lightning Knight Co., Limited, since 2014. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 18, 2014

SERIAL

86457512

REG#

4819751

REGISTERED

Sep 22, 2015

Owner

Applicant

Lightning Knight Co., Limited

Entity

Not Provided

Address

RM 1205, 12/F TAI SANG BANK BLDG, 130-132 DES VOEUX RD CENTRAL, Hong Kong, 999077

Country

Attorney

NameRaj Abhyanker

Law firm

Raj Abhyanker LEGALFORCE RAPC WORLDWIDE, P.C.

Docket

2010051

Address

446 E Southern Ave, Tempe, AZ 85282, UNITED STATES OF AMERICA

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Filing Information

StatusREGISTERED

Filing DateNov 18, 2014

Serial Number86457512

Registration No.4819751

Registration DateSep 22, 2015

Status DateDec 18, 2025

Published for OppositionApr 28, 2015

Next RenewalSeptember 24, 2035

Mark TypeStandard characters

Attorney Docket2010051

Status DescriptionLive and registered, renewed

Filing Signals

FILED

2014

YEARS AGO

12y

CLASSES

MADRID FILINGS

—

Opposed 1× 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

First use anywhere: Jan 31, 2014

First use in commerce: Jan 31, 2014

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

Status History

47 events

POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED

Dec 18, 2025

POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Dec 18, 2025

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 18, 2025

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Dec 18, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 15, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Sep 05, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Sep 02, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 02, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 02, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Sep 02, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Sep 22, 2024

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

AMENDMENT UNDER SECTION 7 - PROCESSED

May 10, 2022

AMENDMENT UNDER SECTION 7 - PROCESSED

REGISTERED - SEC. 8 (6-YR) ACCEPTED

May 10, 2022

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

May 10, 2022

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

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

Feb 22, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 22, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Feb 22, 2022

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 22, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 14, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Nov 02, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 02, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Nov 02, 2021

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 02, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 8 RECEIVED

Aug 31, 2021

TEAS SECTION 8 RECEIVED

TEAS SECTION 7 REQUEST RECEIVED

May 18, 2021

TEAS SECTION 7 REQUEST RECEIVED

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

Sep 22, 2020

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

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

Apr 11, 2019

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 11, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Jul 26, 2017

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 26, 2017

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Sep 22, 2015

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 15, 2015

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 14, 2015

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jul 31, 2015

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Jul 31, 2015

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Jul 02, 2015

TEAS STATEMENT OF USE RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 02, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

USE AMENDMENT FILED

Jul 02, 2015

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jun 23, 2015

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Apr 28, 2015

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 28, 2015

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 08, 2015

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Mar 09, 2015

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 09, 2015

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTICE OF PSEUDO MARK E-MAILED

Nov 25, 2014

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 24, 2014

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 21, 2014

NEW APPLICATION ENTERED

LK

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Other Marks by Lightning Knight Co., Limited

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