Who owns the RK trademark?

The RK trademark is owned by Rowken Solutions, Inc..

What is the serial number for RK?

The USPTO serial number for RK is 99360723.

What is the registration number for RK?

RK is registered under USPTO registration number 8239466.

USPTO Trademark Record

REGISTERED

RK

Q: What class is the RK trademark registered in?

The RK trademark is registered in Class 037 (Construction, installation & repair services), Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

SN 99360723·Reg 8239466·Filed Aug 27, 2025

Owner Rowken Solutions, Inc.

Construction services; installation and repair services; mining extraction, oil and gas drilling.; Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.; 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.

RK (Serial No. 99360723), Registration No. 8239466, is a registered US trademark filed on Aug 27, 2025 by Rowken Solutions, Inc.. This trademark covers Class 037 (Construction, installation & repair services), Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

early section 8: May 05, 2032

Mark Intelligence

RK (Reg. #8239466) is a registered US trademark that has been protecting its owner, Rowken Solutions, Inc., since 2025. The mark covers Class 037 (Construction, installation & repair services), Class 040 (Treatment & processing of materials) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.; Treatment of material.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 27, 2025

SERIAL

99360723

REG#

8239466

REGISTERED

May 05, 2026

Owner

Applicant

Rowken Solutions, Inc.

Entity

Corporation

State

Address

1846 Chespark Dr. Ste. A, Gastonia, NC, 28052

Country

Attorney

NamePaul Nardulli

Law firm

Paul Nardulli Optima Law Group, APC

Docket

1554.3003US

Address

4275 Executive Square, Suite 200, La Jolla, CA 92037, United States

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Filing Information

StatusREGISTERED

Filing DateAug 27, 2025

Serial Number99360723

Registration No.8239466

Registration DateMay 05, 2026

Status DateMay 05, 2026

Published for OppositionMar 17, 2026

Mark TypeDesign with words

Attorney Docket1554.3003US

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Aug 05, 2020

First use in commerce: Feb 24, 2024

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

Class 040Treatment & processing of materials

US codes: 100, 103, 106

First use anywhere: Aug 05, 2020

First use in commerce: Nov 20, 2022

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Aug 05, 2020

First use in commerce: Sep 18, 2022

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.

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

Status History

17 events

REGISTERED-PRINCIPAL REGISTER

May 05, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 05, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 17, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 17, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 11, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 19, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 05, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 05, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 05, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jan 23, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 23, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 23, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jan 16, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 15, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jan 15, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Aug 27, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 27, 2025

APPLICATION FILING RECEIPT MAILED

RK

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Other Marks by Rowken Solutions, Inc.

Other Marks in Class 037 — Construction, installation & repair services

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