Who owns the 3K trademark?

The 3K trademark is owned by 3K Brothers LLC.

What class is the 3K trademark registered in?

The 3K trademark is registered in Class 035 (Advertising, business management & retail services).

What is the serial number for 3K?

The USPTO serial number for 3K is 99648310.

What is the registration number for 3K?

3K is registered under USPTO registration number 8421145.

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Updated Oct 10, 2026·18 searches this week

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USPTO Trademark Record

REGISTERED

3K

SN 99648310·Reg 8421145·Filed Feb 11, 2026

Owner 3K Brothers LLC

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

3K (Serial No. 99648310), Registration No. 8421145, is a registered US trademark filed on Feb 11, 2026 by 3K Brothers LLC. This trademark covers Class 035 (Advertising, business management & retail services).

early section 8: September 01, 2032

Mark Intelligence

3K (Reg. #8421145) is a registered US trademark that has been protecting its owner, 3K Brothers LLC, since 2026. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 11, 2026

SERIAL

99648310

REG#

8421145

REGISTERED

Sep 01, 2026

Filing Information

StatusREGISTERED

Filing DateFeb 11, 2026

Serial Number99648310

Registration No.8421145

Registration DateSep 01, 2026

Status DateSep 01, 2026

Published for OppositionJul 14, 2026

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Jun 13, 2018

First use in commerce: Jun 13, 2018

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

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

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Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Sep 01, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 01, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 14, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 14, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 08, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 15, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jun 11, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 10, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 11, 2026

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Feb 11, 2026

APPLICATION FILING RECEIPT MAILED

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