Who owns the K trademark?

The K trademark is owned by Keystone Experts and Engineers, 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 87370490.

What is the registration number for K?

K is registered under USPTO registration number 5322636.

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Updated Oct 21, 2026·39 searches this week

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USPTO Trademark Record

REGISTERED

K

SN 87370490·Reg 5322636·Filed Mar 14, 2017

Owner Keystone Experts and Engineers, 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. 87370490), Registration No. 5322636, is a registered US trademark filed on Mar 14, 2017 by Keystone Experts and Engineers, LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: November 01, 2027

Mark Intelligence

K (Reg. #5322636) is a registered US trademark that has been protecting its owner, Keystone Experts and Engineers, LLC, since 2017. 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

Mar 14, 2017

SERIAL

87370490

REG#

5322636

REGISTERED

Oct 31, 2017

Filing Information

StatusREGISTERED

Filing DateMar 14, 2017

Serial Number87370490

Registration No.5322636

Registration DateOct 31, 2017

Status DateDec 18, 2023

Published for OppositionAug 15, 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: Apr 21, 2015

First use in commerce: Apr 21, 2015

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

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Status History

20 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 18, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Dec 18, 2023

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Dec 18, 2023

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS SECTION 8 RECEIVED

Sep 22, 2023

TEAS SECTION 8 RECEIVED

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

Oct 31, 2022

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 23, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 19, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Oct 31, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Aug 15, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 15, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 26, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT E-MAILED

Jun 12, 2017

EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jun 12, 2017

EXAMINERS AMENDMENT -WRITTEN

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 12, 2017

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 12, 2017

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO EXAMINER

Jun 07, 2017

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Mar 21, 2017

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 20, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 17, 2017

NEW APPLICATION ENTERED

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