Who owns the K trademark?

The K trademark is owned by Kupfer, Konstantin.

What is the serial number for K?

The USPTO serial number for K is 86617666.

What is the registration number for K?

K is registered under USPTO registration number 4880308.

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Updated Sep 17, 2026·41 searches this week

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USPTO Trademark Record

REGISTERED

K

Q: What class is the K trademark registered in?

The K trademark is registered in Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services).

SN 86617666·Reg 4880308·Filed May 01, 2015

Owner Kupfer, Konstantin

Advertising; business management, organization and administration; office functions.; Construction services; installation and repair services; mining extraction, oil and gas drilling.

K (Serial No. 86617666), Registration No. 4880308, is a registered US trademark filed on May 01, 2015 by Kupfer, Konstantin. This trademark covers Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services).

Section 8/9 declaration window: January 07, 2036

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Mark Intelligence

K (Reg. #4880308) is a registered US trademark that has been protecting its owner, Kupfer, Konstantin, since 2015. The mark covers Class 035 (Advertising, business management & retail services) and Class 037 (Construction, installation & repair services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Construction services; installatio.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 01, 2015

SERIAL

86617666

REG#

4880308

REGISTERED

Jan 05, 2016

Filing Information

StatusREGISTERED

Filing DateMay 01, 2015

Serial Number86617666

Registration No.4880308

Registration DateJan 05, 2016

Status DateJun 13, 2025

Published for OppositionOct 20, 2015

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Jan 01, 1975

First use in commerce: Jan 01, 1985

Advertising; business management, organization and administration; office functions.

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Jan 01, 1975

First use in commerce: Jan 01, 1985

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

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

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Status History

31 events

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

Jun 13, 2025

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jun 13, 2025

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jun 13, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 12, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Jan 07, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Jan 05, 2025

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

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

May 05, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 05, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 05, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 06, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Nov 06, 2021

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

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

Nov 06, 2021

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

TEAS SECTION 8 & 15 RECEIVED

Aug 03, 2021

TEAS SECTION 8 & 15 RECEIVED

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

Jan 05, 2021

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

REGISTERED-PRINCIPAL REGISTER

Jan 05, 2016

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 20, 2015

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 20, 2015

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 30, 2015

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Sep 14, 2015

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Sep 13, 2015

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Aug 19, 2015

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Aug 19, 2015

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Aug 19, 2015

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Aug 19, 2015

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 19, 2015

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS VOLUNTARY AMENDMENT RECEIVED

Aug 14, 2015

TEAS VOLUNTARY AMENDMENT RECEIVED

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

Aug 14, 2015

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

ASSIGNED TO EXAMINER

Aug 12, 2015

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 14, 2015

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 13, 2015

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 05, 2015

NEW APPLICATION ENTERED

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