Who owns the K trademark?

The K trademark is owned by Stone Cliff Technology, LLC.

What class is the K trademark registered in?

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

What is the serial number for K?

The USPTO serial number for K is 87166324.

What is the registration number for K?

K is registered under USPTO registration number 5190071.

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Updated Sep 20, 2026·17 searches this week

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USPTO Trademark Record

REGISTERED

K

SN 87166324·Reg 5190071·Filed Sep 09, 2016

Owner Stone Cliff Technology, LLC

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.

K (Serial No. 87166324), Registration No. 5190071, is a registered US trademark filed on Sep 09, 2016 by Stone Cliff Technology, LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

renewal 10y period: April 26, 2027217 days remaining

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Full conflict analysis for K (SN 87166324) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

K (Reg. #5190071) is a registered US trademark that has been protecting its owner, Stone Cliff Technology, LLC, 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 09, 2016

SERIAL

87166324

REG#

5190071

REGISTERED

Apr 25, 2017

Filing Information

StatusREGISTERED

Filing DateSep 09, 2016

Serial Number87166324

Registration No.5190071

Registration DateApr 25, 2017

Status DateJan 11, 2024

Published for OppositionFeb 07, 2017

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 Accepted

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Sep 01, 2014

First use in commerce: Sep 01, 2014

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

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Status History

22 events

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

Apr 25, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 11, 2024

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Jan 11, 2024

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Jan 11, 2024

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 RECEIVED

Oct 25, 2023

TEAS SECTION 8 RECEIVED

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

Apr 25, 2022

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

REGISTERED-PRINCIPAL REGISTER

Apr 25, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 07, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 07, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 18, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Dec 19, 2016

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Dec 19, 2016

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 19, 2016

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 19, 2016

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 19, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Dec 16, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 16, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 16, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 15, 2016

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 15, 2016

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 14, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 13, 2016

NEW APPLICATION ENTERED

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